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How to Write a Research Question: Types and Examples 

The first step in any research project is framing the research question. It can be considered the core of any systematic investigation as the research outcomes are tied to asking the right questions. Thus, this primary interrogation point sets the pace for your research as it helps collect relevant and insightful information that ultimately influences your work.   

Typically, the research question guides the stages of inquiry, analysis, and reporting. Depending on the use of quantifiable or quantitative data, research questions are broadly categorized into quantitative or qualitative research questions. Both types of research questions can be used independently or together, considering the overall focus and objectives of your research.  

What is a research question?

A research question is a clear, focused, concise, and arguable question on which your research and writing are centered. 1 It states various aspects of the study, including the population and variables to be studied and the problem the study addresses. These questions also set the boundaries of the study, ensuring cohesion. 

Designing the research question is a dynamic process where the researcher can change or refine the research question as they review related literature and develop a framework for the study. Depending on the scale of your research, the study can include single or multiple research questions. 

A good research question has the following features: 

• It is relevant to the chosen field of study. 
• The question posed is arguable and open for debate, requiring synthesizing and analysis of ideas. 
• It is focused and concisely framed. 
• A feasible solution is possible within the given practical constraint and timeframe. 

A poorly formulated research question poses several risks. 1   

• Researchers can adopt an erroneous design. 
• It can create confusion and hinder the thought process, including developing a clear protocol.  
• It can jeopardize publication efforts.  
• It causes difficulty in determining the relevance of the study findings.  
• It causes difficulty in whether the study fulfils the inclusion criteria for systematic review and meta-analysis. This creates challenges in determining whether additional studies or data collection is needed to answer the question.  
• Readers may fail to understand the objective of the study. This reduces the likelihood of the study being cited by others. 

Now that you know “What is a research question?”, let’s look at the different types of research questions. 

Types of research questions

Depending on the type of research to be done, research questions can be classified broadly into quantitative, qualitative, or mixed-methods studies. Knowing the type of research helps determine the best type of research question that reflects the direction and epistemological underpinnings of your research. 

The structure and wording of quantitative 2 and qualitative research 3 questions differ significantly. The quantitative study looks at causal relationships, whereas the qualitative study aims at exploring a phenomenon. 

• Quantitative research questions:  
• Seeks to investigate social, familial, or educational experiences or processes in a particular context and/or location.  
• Answers ‘how,’ ‘what,’ or ‘why’ questions. 
• Investigates connections, relations, or comparisons between independent and dependent variables. 

Quantitative research questions can be further categorized into descriptive, comparative, and relationship, as explained in the Table below. 

• Qualitative research questions  

Qualitative research questions are adaptable, non-directional, and more flexible. It concerns broad areas of research or more specific areas of study to discover, explain, or explore a phenomenon. These are further classified as follows: 

• Mixed-methods studies  

Mixed-methods studies use both quantitative and qualitative research questions to answer your research question. Mixed methods provide a complete picture than standalone quantitative or qualitative research, as it integrates the benefits of both methods. Mixed methods research is often used in multidisciplinary settings and complex situational or societal research, especially in the behavioral, health, and social science fields. 

What makes a good research question

A good research question should be clear and focused to guide your research. It should synthesize multiple sources to present your unique argument, and should ideally be something that you are interested in. But avoid questions that can be answered in a few factual statements. The following are the main attributes of a good research question. 

• Specific: The research question should not be a fishing expedition performed in the hopes that some new information will be found that will benefit the researcher. The central research question should work with your research problem to keep your work focused. If using multiple questions, they should all tie back to the central aim. 
• Measurable: The research question must be answerable using quantitative and/or qualitative data or from scholarly sources to develop your research question. If such data is impossible to access, it is better to rethink your question. 
• Attainable: Ensure you have enough time and resources to do all research required to answer your question. If it seems you will not be able to gain access to the data you need, consider narrowing down your question to be more specific. 
• You have the expertise 
• You have the equipment and resources 
• Realistic: Developing your research question should be based on initial reading about your topic. It should focus on addressing a problem or gap in the existing knowledge in your field or discipline. 
• Based on some sort of rational physics 
• Can be done in a reasonable time frame 
• Timely: The research question should contribute to an existing and current debate in your field or in society at large. It should produce knowledge that future researchers or practitioners can later build on. 
• Novel 
• Based on current technologies. 
• Important to answer current problems or concerns. 
• Lead to new directions. 
• Important: Your question should have some aspect of originality. Incremental research is as important as exploring disruptive technologies. For example, you can focus on a specific location or explore a new angle. 
• Meaningful whether the answer is “Yes” or “No.” Closed-ended, yes/no questions are too simple to work as good research questions. Such questions do not provide enough scope for robust investigation and discussion. A good research question requires original data, synthesis of multiple sources, and original interpretation and argumentation before providing an answer. 

Steps for developing a good research question

The importance of research questions cannot be understated. When drafting a research question, use the following frameworks to guide the components of your question to ease the process. 4  

• Determine the requirements: Before constructing a good research question, set your research requirements. What is the purpose? Is it descriptive, comparative, or explorative research? Determining the research aim will help you choose the most appropriate topic and word your question appropriately. 
• Select a broad research topic: Identify a broader subject area of interest that requires investigation. Techniques such as brainstorming or concept mapping can help identify relevant connections and themes within a broad research topic. For example, how to learn and help students learn. 
• Perform preliminary investigation: Preliminary research is needed to obtain up-to-date and relevant knowledge on your topic. It also helps identify issues currently being discussed from which information gaps can be identified. 
• Narrow your focus: Narrow the scope and focus of your research to a specific niche. This involves focusing on gaps in existing knowledge or recent literature or extending or complementing the findings of existing literature. Another approach involves constructing strong research questions that challenge your views or knowledge of the area of study (Example: Is learning consistent with the existing learning theory and research). 
• Identify the research problem: Once the research question has been framed, one should evaluate it. This is to realize the importance of the research questions and if there is a need for more revising (Example: How do your beliefs on learning theory and research impact your instructional practices). 

How to write a research question

Those struggling to understand how to write a research question, these simple steps can help you simplify the process of writing a research question. 

Sample Research Questions

The following are some bad and good research question examples 

• Example 1 
• Example 2 

References:  

• Thabane, L., Thomas, T., Ye, C., & Paul, J. (2009). Posing the research question: not so simple.  Canadian Journal of Anesthesia/Journal canadien d’anesthésie ,  56 (1), 71-79. 
• Rutberg, S., & Bouikidis, C. D. (2018). Focusing on the fundamentals: A simplistic differentiation between qualitative and quantitative research.  Nephrology Nursing Journal ,  45 (2), 209-213. 
• Kyngäs, H. (2020). Qualitative research and content analysis.  The application of content analysis in nursing science research , 3-11. 
• Mattick, K., Johnston, J., & de la Croix, A. (2018). How to… write a good research question.  The clinical teacher ,  15 (2), 104-108. 
• Fandino, W. (2019). Formulating a good research question: Pearls and pitfalls.  Indian Journal of Anaesthesia ,  63 (8), 611. 
• Richardson, W. S., Wilson, M. C., Nishikawa, J., & Hayward, R. S. (1995). The well-built clinical question: a key to evidence-based decisions.  ACP journal club ,  123 (3), A12-A13 

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How to Write a Good Research Question (w/ Examples)

What is a Research Question?

A research question is the main question that your study sought or is seeking to answer. A clear research question guides your research paper or thesis and states exactly what you want to find out, giving your work a focus and objective. Learning  how to write a hypothesis or research question is the start to composing any thesis, dissertation, or research paper. It is also one of the most important sections of a research proposal . 

A good research question not only clarifies the writing in your study; it provides your readers with a clear focus and facilitates their understanding of your research topic, as well as outlining your study’s objectives. Before drafting the paper and receiving research paper editing (and usually before performing your study), you should write a concise statement of what this study intends to accomplish or reveal.

Research Question Writing Tips

Listed below are the important characteristics of a good research question:

A good research question should:

• Be clear and provide specific information so readers can easily understand the purpose.
• Be focused in its scope and narrow enough to be addressed in the space allowed by your paper
• Be relevant and concise and express your main ideas in as few words as possible, like a hypothesis.
• Be precise and complex enough that it does not simply answer a closed “yes or no” question, but requires an analysis of arguments and literature prior to its being considered acceptable. 
• Be arguable or testable so that answers to the research question are open to scrutiny and specific questions and counterarguments.

Some of these characteristics might be difficult to understand in the form of a list. Let’s go into more detail about what a research question must do and look at some examples of research questions.

The research question should be specific and focused 

Research questions that are too broad are not suitable to be addressed in a single study. One reason for this can be if there are many factors or variables to consider. In addition, a sample data set that is too large or an experimental timeline that is too long may suggest that the research question is not focused enough.

A specific research question means that the collective data and observations come together to either confirm or deny the chosen hypothesis in a clear manner. If a research question is too vague, then the data might end up creating an alternate research problem or hypothesis that you haven’t addressed in your Introduction section .

The research question should be based on the literature 

An effective research question should be answerable and verifiable based on prior research because an effective scientific study must be placed in the context of a wider academic consensus. This means that conspiracy or fringe theories are not good research paper topics.

Instead, a good research question must extend, examine, and verify the context of your research field. It should fit naturally within the literature and be searchable by other research authors.

References to the literature can be in different citation styles and must be properly formatted according to the guidelines set forth by the publishing journal, university, or academic institution. This includes in-text citations as well as the Reference section . 

The research question should be realistic in time, scope, and budget

There are two main constraints to the research process: timeframe and budget.

A proper research question will include study or experimental procedures that can be executed within a feasible time frame, typically by a graduate doctoral or master’s student or lab technician. Research that requires future technology, expensive resources, or follow-up procedures is problematic.

A researcher’s budget is also a major constraint to performing timely research. Research at many large universities or institutions is publicly funded and is thus accountable to funding restrictions. 

The research question should be in-depth

Research papers, dissertations and theses , and academic journal articles are usually dozens if not hundreds of pages in length.

A good research question or thesis statement must be sufficiently complex to warrant such a length, as it must stand up to the scrutiny of peer review and be reproducible by other scientists and researchers.

Research Question Types

Qualitative and quantitative research are the two major types of research, and it is essential to develop research questions for each type of study. 

Quantitative Research Questions

Quantitative research questions are specific. A typical research question involves the population to be studied, dependent and independent variables, and the research design.

In addition, quantitative research questions connect the research question and the research design. In addition, it is not possible to answer these questions definitively with a “yes” or “no” response. For example, scientific fields such as biology, physics, and chemistry often deal with “states,” in which different quantities, amounts, or velocities drastically alter the relevance of the research.

As a consequence, quantitative research questions do not contain qualitative, categorical, or ordinal qualifiers such as “is,” “are,” “does,” or “does not.”

Categories of quantitative research questions

Qualitative research questions.

In quantitative research, research questions have the potential to relate to broad research areas as well as more specific areas of study. Qualitative research questions are less directional, more flexible, and adaptable compared with their quantitative counterparts. Thus, studies based on these questions tend to focus on “discovering,” “explaining,” “elucidating,” and “exploring.”

Categories of qualitative research questions

Quantitative and qualitative research question examples.

Good and Bad Research Question Examples

Below are some good (and not-so-good) examples of research questions that researchers can use to guide them in crafting their own research questions.

Research Question Example 1

The first research question is too vague in both its independent and dependent variables. There is no specific information on what “exposure” means. Does this refer to comments, likes, engagement, or just how much time is spent on the social media platform?

Second, there is no useful information on what exactly “affected” means. Does the subject’s behavior change in some measurable way? Or does this term refer to another factor such as the user’s emotions?

Research Question Example 2

In this research question, the first example is too simple and not sufficiently complex, making it difficult to assess whether the study answered the question. The author could really only answer this question with a simple “yes” or “no.” Further, the presence of data would not help answer this question more deeply, which is a sure sign of a poorly constructed research topic.

The second research question is specific, complex, and empirically verifiable. One can measure program effectiveness based on metrics such as attendance or grades. Further, “bullying” is made into an empirical, quantitative measurement in the form of recorded disciplinary actions.

Steps for Writing a Research Question

Good research questions are relevant, focused, and meaningful. It can be difficult to come up with a good research question, but there are a few steps you can follow to make it a bit easier.

1. Start with an interesting and relevant topic

Choose a research topic that is interesting but also relevant and aligned with your own country’s culture or your university’s capabilities. Popular academic topics include healthcare and medical-related research. However, if you are attending an engineering school or humanities program, you should obviously choose a research question that pertains to your specific study and major.

Below is an embedded graph of the most popular research fields of study based on publication output according to region. As you can see, healthcare and the basic sciences receive the most funding and earn the highest number of publications. 

2. Do preliminary research  

You can begin doing preliminary research once you have chosen a research topic. Two objectives should be accomplished during this first phase of research. First, you should undertake a preliminary review of related literature to discover issues that scholars and peers are currently discussing. With this method, you show that you are informed about the latest developments in the field.

Secondly, identify knowledge gaps or limitations in your topic by conducting a preliminary literature review . It is possible to later use these gaps to focus your research question after a certain amount of fine-tuning.

3. Narrow your research to determine specific research questions

You can focus on a more specific area of study once you have a good handle on the topic you want to explore. Focusing on recent literature or knowledge gaps is one good option. 

By identifying study limitations in the literature and overlooked areas of study, an author can carve out a good research question. The same is true for choosing research questions that extend or complement existing literature.

4. Evaluate your research question

Make sure you evaluate the research question by asking the following questions:

Is my research question clear?

The resulting data and observations that your study produces should be clear. For quantitative studies, data must be empirical and measurable. For qualitative, the observations should be clearly delineable across categories.

Is my research question focused and specific?

A strong research question should be specific enough that your methodology or testing procedure produces an objective result, not one left to subjective interpretation. Open-ended research questions or those relating to general topics can create ambiguous connections between the results and the aims of the study. 

Is my research question sufficiently complex?

The result of your research should be consequential and substantial (and fall sufficiently within the context of your field) to warrant an academic study. Simply reinforcing or supporting a scientific consensus is superfluous and will likely not be well received by most journal editors.  

Editing Your Research Question

Your research question should be fully formulated well before you begin drafting your research paper. However, you can receive English paper editing and proofreading services at any point in the drafting process. Language editors with expertise in your academic field can assist you with the content and language in your Introduction section or other manuscript sections. And if you need further assistance or information regarding paper compositions, in the meantime, check out our academic resources , which provide dozens of articles and videos on a variety of academic writing and publication topics.

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Research Questions – Definition, Examples & Tips

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At the heart of every research endeavor lies a fundamental driving force: the research question. It not only defines the scope and direction of inquiry, it also inspires people to seek knowledge. In the complex journey of the research process , key questions act as guiding stars. In this article, we’ll cover everything you need to know about research questions and provide various examples.

Inhaltsverzeichnis

• 1 Research Questions in a nutshell
• 2 Definition: Research Question
• 3 Characteristics of a Research Question
• 4 How to Create a Research Question
• 5 Types of Research Questions
• 6 Example Questions
• 7 Research Frameworks
• 8 Dos & Donts
• 9 Sub-Questions
• 10 Tips for a Good Research Question

Research Questions in a nutshell

A research question is a clear and concise inquiry around which you center a research study. It helps to define the scope of the study and provides a basis for gathering and analyzing a variety of data.

Definition: Research Question

A research question is a concise inquiry that guides the direction of a research study or investigation. It articulates the specific type of subject that the researcher aims to explore, often framed in a way that suggests investigation or analysis . It serves as a fundamental element in the research process, guiding the selection of appropriate methodologies, the collection of evidence, and the interpretation of results. In essence, a research question serves as the starting point for scholarly inquiry, driving the pursuit of knowledge and understanding within a particular field.

Characteristics of a Research Question

The characteristics of a research question play a pivotal role in shaping the direction and success of a research study. The inquiry not only guides the research process, but also ensures its effectiveness in addressing key issues within the field of study.

It should serve three key purposes:

• Interesting : It should stimulate curiosity and appeal from both the researcher and the audience, motivating researchers to explore the topic further. It also increases the likelihood of commitment from both sides, fostering a deeper understanding and appreciation of the research topic.
• Well-defined : A well-defined research question provides clarity and focus, ensuring that the research study addresses a specific aspect of the topic. This helps avoid ambiguity and ensures that the research process is coherent and purposeful.
• Tractable : By ensuring tractability, researchers can conduct the study effectively, maximizing the likelihood of achieving meaningful results. Tractable research questions are also more likely to lead to successful completion of the study, avoiding setbacks due to unattainable goals.

Furthermore, a good research topic should answer three questions:

• Why is this question significant within the context of the field?
• How does your research build upon and enhance the current body of literature?
• What tangible outcomes can be expected if the question is thoroughly investigated and answered?

By answering these questions and ensuring that your research question is interesting, well-defined, and tractable, you can establish the relevance and significance of your research within the field.

How to Create a Research Question

Formulating an impactful research inquiry can be quite difficult. Nevertheless, by employing a comprehensive multistep approach, this task may turn out to be more manageable for you.

1. Identify a broad topic

Begin by identifying a broad area of interest within your field of study and generate questions based on curiosity and knowledge gaps. This could be based on current trends in the field or gaps in existing literature.

2. Conduct background research

Explore existing literature related to your topic to understand what has already been studied and what questions remain unanswered. This will help you identify potential gaps or areas for further exploration, and narrow your focus . Consider the characteristics mentioned earlier.

3. Consider your audience

Reflect on who your specific target audience is — whether it’s academic researchers or the general public. Tailor your research question to be relevant and accessible for your primary audience, considering their interests and level of expertise.

4. Narrow down the focus

Gradually narrow down your topic to a specific research question or a couple of questions based on the gaps found in existing research.

5. Define your questions

Now that you have found your niche, consider all the steps above and start asking open-ended “how” and “why” questions about your topic. A framework such as SMART Goals , PICOT , or FINER , which we will elaborate on in a later section more thoroughly, might be helpful when generating your key questions.

6. Evaluate your question

Now that you have written down your questions, evaluate them to establish if they are effective or if they need further refinement . For this step, look at the characteristics above again, and determine if they answer all the questions and check all the boxes. Is the research question well-defined and interesting to you and your audience? Think about the possible paths your research could take, which is  the question, that effectively captures the essence of your research and aligns with your overarching objectives? It shouldn’t be too broad and also not easily answerable with quick searches.

Types of Research Questions

Research questions can be classified into various types, depending on the types of studies to be undertaken. Below, we will discuss each one of them, and their specifics.

Qualitative

Quantitative, mixed-methods.

A qualitative question is concerned with comprehending a phenomenon , and focuses on finding , explaining , and exploring . Qualitative research is primarily used in social sciences and uses open-ended research questions, and seeks to uncover rich and descriptive data .

The most common types of qualitative questions include:

• Exploratory questions , which seek to understand without influencing the results. The objective is to investigate an issue that has limited existing knowledge, and is typically conducted at the preliminary stages of a research process without research bias .
• Predictive questions , which seek to understand the intent or future outcome around a topic. The objective here it to use past information to predict reactions to hypothetical events.
• Interpretive questions , which aim to understand people’s behavior in a natural setting. The objective is to gather feedback on a group’s behavior without affecting the outcome.

A quantitative question is used to prove or disprove a researcher’s hypothesis through descriptions , comparisons , and relationships . It typically involves the population to be studied, identifying independent vs. dependent variables , and the research design. Quantitative questions are created to express the causality between variables and whether this relationship is relevant.

The most common types of quantitative questions include:

• Descriptive questions , which aim to explain when, where, why, or how something occurred, are the most basic type of quantitative research. They use numerical data and statistical analysis to describe a phenomenon, and their objective is to provide a clear and detailed description of a particular phenomenon.
• Comparative questions are used to compare groups or dependent variables to identify similarities, differences, or relationships between them. Their objective is to uncover the “how” or “why” of a topic by examining variations or relationships.
• Relationship-based questions , such as causal and correlational questions, try to answer whether one variable influences another. These types of questions are used in experimental or in quasi-experimental design studies, to focus on understanding how they are connected or influence each other.

Mixed methods research involves the integration of both qualitative and quantitative approaches within a single study, and for this reason, it’s a popular research method for researching nowadays. Mixed methods research combines both quantitative and qualitative data to explore a research question more thoroughly, and is often used in the behavioral, health, and social sciences.

Mixed methods research questions can help you achieve a more comprehensive picture than a standalone quantitative or qualitative question. However, they can be difficult to implement and come with the same risk of research bias as standalone studies.

Example Questions

In this section, we will provide you with numerous research question examples for each type of quantitative, qualitative, and mixed-method question.

Exploratory Question

• What are the factors influencing employee satisfaction in a new startup company?

Predictive Question

• How much can high schoolers’ GPA and grades predict their academic college performance?

Interpretive Question

• How do cultural beliefs shape peoples view of mental health and help-seeking behaviors?

Descriptive Question

• What are the demographics of students enrolled in online courses at a university?

Comparative Question

• How does lecture-style teaching compare to interactive learning in math comprehension?

Relationship-based Question

• What’s the correlation between social media use and young adults’ feelings of loneliness?

Mixed-Methods Questions

• How does the implementation of a new online learning platform (quantitative) impact student engagement and satisfaction (qualitative) in undergraduate courses?
• How do the perceptions of teachers (qualitative) and the academic performance of students (quantitative) vary across different teaching methodologies?
• How do cultural beliefs and values (qualitative) influence consumer purchasing behavior (quantitative) in the cosmetics industry?

Sample Format

Crafting effective research inquiries is most important for guiding your study and achieving your research goals. Below, you’ll find various question formats, designed to inspire and guide your inquiry. Refer to the accompanying picture for a comprehensive range of question formats suitable for a variety of research purposes and contexts.

Research Frameworks

There are three types of frameworks you can use as foundational elements to ensure that your research question is succinct.

• The  PICO framework, which stands for P opulation, I ntervention, C omparison, and O utcome, is commonly used in healthcare research to structure clinical questions. It helps researchers define the key elements of a research question, including the population of interest, the intervention, or exposure being studied, the comparison group, and the outcome of interest.
• The  SMART framework, which stands for S pecific, M easurable, A chievable, R elevant, and T ime-bound, is widely used and helps ensure that the question is clear, quantifiable, feasible, aligned with the research objectives, and has a defined time frame for completion.
• The  FINER framework, which stands for F easible, I nteresting, N ovel, E thical, and R elevant, provides criteria for evaluating the quality and appropriateness of research questions. It ensures that the question is feasible to address, interesting and relevant to the field, innovative, ethically sound, and directly related tot the research objectives.

Below, we have illustrated each framework with appropriate questions you can ask yourself in order to find out if your research question can be improved.

Dos & Donts

Below you’ll find an illustration depicting what you should do and what you should not do when it comes to research questions.

Below you’ll find a table with numerous good and bad examples of research questions together with explanations for each of them.

Sub-Questions

Sub-questions can be essential in research for clarifying complex topics and providing depth to the analysis when your main research question can’t be answered all at once. They are optional and should be used only if necessary to address the main question. If the main question is straightforward, sub-questions can be omitted. Let’s say that the main research question is “How has the transition to online schooling during COVID-19 pandemic affected sophomore and junior students’ academic performance and engagement?”. Some potential sub-questions could be:

• What impact has online schooling had on grades and test scores during the pandemic?
• How has student participation in classes changed with online schooling?
• How effectively have teachers adapted their instruction methods for online teaching?

Tips for a Good Research Question

Crafting a good research inquiry is a critical step in conducting a successful research project, as we have learned. The selection of successful research topics is crucial for guiding the direction of a study and ensuring that the research addresses relevant issues within the field. Here are some general tips to help you develop a strong research question.

• Be specific and clear : A good question should allow for focused study and straightforward answers. Avoid being broad or vague since this could lead to a sprawling investigation.
• Make it measurable : Your research question should be framed in a way that allows for gathering and analyzing data. It should be possible to measure the aspects of the question through available methods.
• Ensure relevance : The question should be relevant to current issues or contribute to a field of study that interests you. It should address a gap in knowledge or add a new perspective to existing studies.
• Test your question : Before finalizing your research question, test it. Discuss it with peers, mentors, or through preliminary literature reviews to ensure it is focused and engaging.

The most important thing is that whatever subject you focus on, it should be interesting to you and your field. Because that way, the writing and analyzing process will be much more enjoyable and rewarding.

Note: Do not figure out your research question after you have finished your research paper.

What are 5 good research questions?

• What impact does incorporating technology into classroom instruction have on student engagement and academic performance in elementary schools?
• How does mindfulness-based stress reduction therapy compare to cognitive-behavioral therapy in reducing symptoms of anxiety and depression among young adults?
• What are the long-term effects of microplastic pollution on marine biodiversity in coastal ecosystems, and how can we mitigate these effects?
• To what extent do socioeconomic factors influence access to healthcare services among marginalized communities, and what policy interventions could address these disparities?
• How do leadership styles and organizational culture impact employee job satisfaction rates in remote work settings?

What is a research question?

A well-developed research question identifies the main issue that the researchers want to investigate and provides a framework for gathering data to address that issue and also proposes a conclusive solution depending on the research type. It serves as a foundation for the writing process and guides the research project.

What types of research questions are there?

Research questions can be classified into three types:

• Descriptive research questions
• Quantitative research questions
• Mixed-methods research questions

What are 6 research questions?

• Descriptive questions
• Comparative questions
• Relationship-based questions
• Exploratory questions
• Predictive questions
• Interpretive questions

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How to Develop a Good Research Question? — Types & Examples

Cecilia is living through a tough situation in her research life. Figuring out where to begin, how to start her research study, and how to pose the right question for her research quest, is driving her insane. Well, questions, if not asked correctly, have a tendency to spiral us!

Image Source: https://phdcomics.com/

Questions lead everyone to answers. Research is a quest to find answers. Not the vague questions that Cecilia means to answer, but definitely more focused questions that define your research. Therefore, asking appropriate question becomes an important matter of discussion.

A well begun research process requires a strong research question. It directs the research investigation and provides a clear goal to focus on. Understanding the characteristics of comprising a good research question will generate new ideas and help you discover new methods in research.

In this article, we are aiming to help researchers understand what is a research question and how to write one with examples.

Table of Contents

What Is a Research Question?

A good research question defines your study and helps you seek an answer to your research. Moreover, a clear research question guides the research paper or thesis to define exactly what you want to find out, giving your work its objective. Learning to write a research question is the beginning to any thesis, dissertation , or research paper. Furthermore, the question addresses issues or problems which is answered through analysis and interpretation of data.

Why Is a Research Question Important?

A strong research question guides the design of a study. Moreover, it helps determine the type of research and identify specific objectives. Research questions state the specific issue you are addressing and focus on outcomes of the research for individuals to learn. Therefore, it helps break up the study into easy steps to complete the objectives and answer the initial question.

Types of Research Questions

Research questions can be categorized into different types, depending on the type of research you want to undergo. Furthermore, knowing the type of research will help a researcher determine the best type of research question to use.

1. Qualitative Research Question

Qualitative questions concern broad areas or more specific areas of research. However, unlike quantitative questions, qualitative research questions are adaptable, non-directional and more flexible. Qualitative research question focus on discovering, explaining, elucidating, and exploring.

i. Exploratory Questions

This form of question looks to understand something without influencing the results. The objective of exploratory questions is to learn more about a topic without attributing bias or preconceived notions to it.

Research Question Example: Asking how a chemical is used or perceptions around a certain topic.

ii. Predictive Questions

Predictive research questions are defined as survey questions that automatically predict the best possible response options based on text of the question. Moreover, these questions seek to understand the intent or future outcome surrounding a topic.

Research Question Example: Asking why a consumer behaves in a certain way or chooses a certain option over other.

iii. Interpretive Questions

This type of research question allows the study of people in the natural setting. The questions help understand how a group makes sense of shared experiences with regards to various phenomena. These studies gather feedback on a group’s behavior without affecting the outcome.

Research Question Example: How do you feel about AI assisting publishing process in your research?

2. Quantitative Research Question

Quantitative questions prove or disprove a researcher’s hypothesis through descriptions, comparisons, and relationships. These questions are beneficial when choosing a research topic or when posing follow-up questions that garner more information.

i. Descriptive Questions

It is the most basic type of quantitative research question and it seeks to explain when, where, why, or how something occurred. Moreover, they use data and statistics to describe an event or phenomenon.

Research Question Example: How many generations of genes influence a future generation?

ii. Comparative Questions

Sometimes it’s beneficial to compare one occurrence with another. Therefore, comparative questions are helpful when studying groups with dependent variables.

Example: Do men and women have comparable metabolisms?

iii. Relationship-Based Questions

This type of research question answers influence of one variable on another. Therefore, experimental studies use this type of research questions are majorly.

Example: How is drought condition affect a region’s probability for wildfires.  

How to Write a Good Research Question?

1. Select a Topic

The first step towards writing a good research question is to choose a broad topic of research. You could choose a research topic that interests you, because the complete research will progress further from the research question. Therefore, make sure to choose a topic that you are passionate about, to make your research study more enjoyable.

2. Conduct Preliminary Research

After finalizing the topic, read and know about what research studies are conducted in the field so far. Furthermore, this will help you find articles that talk about the topics that are yet to be explored. You could explore the topics that the earlier research has not studied.

3. Consider Your Audience

The most important aspect of writing a good research question is to find out if there is audience interested to know the answer to the question you are proposing. Moreover, determining your audience will assist you in refining your research question, and focus on aspects that relate to defined groups.

4. Generate Potential Questions

The best way to generate potential questions is to ask open ended questions. Questioning broader topics will allow you to narrow down to specific questions. Identifying the gaps in literature could also give you topics to write the research question. Moreover, you could also challenge the existing assumptions or use personal experiences to redefine issues in research.

5. Review Your Questions

Once you have listed few of your questions, evaluate them to find out if they are effective research questions. Moreover while reviewing, go through the finer details of the question and its probable outcome, and find out if the question meets the research question criteria.

6. Construct Your Research Question

There are two frameworks to construct your research question. The first one being PICOT framework , which stands for:

• Population or problem
• Intervention or indicator being studied
• Comparison group
• Outcome of interest
• Time frame of the study.

The second framework is PEO , which stands for:

• Population being studied
• Exposure to preexisting conditions
• Outcome of interest.

Research Question Examples

• How might the discovery of a genetic basis for alcoholism impact triage processes in medical facilities?
• How do ecological systems respond to chronic anthropological disturbance?
• What are demographic consequences of ecological interactions?
• What roles do fungi play in wildfire recovery?
• How do feedbacks reinforce patterns of genetic divergence on the landscape?
• What educational strategies help encourage safe driving in young adults?
• What makes a grocery store easy for shoppers to navigate?
• What genetic factors predict if someone will develop hypothyroidism?
• Does contemporary evolution along the gradients of global change alter ecosystems function?

How did you write your first research question ? What were the steps you followed to create a strong research question? Do write to us or comment below.

Frequently Asked Questions

Research questions guide the focus and direction of a research study. Here are common types of research questions: 1. Qualitative research question: Qualitative questions concern broad areas or more specific areas of research. However, unlike quantitative questions, qualitative research questions are adaptable, non-directional and more flexible. Different types of qualitative research questions are: i. Exploratory questions ii. Predictive questions iii. Interpretive questions 2. Quantitative Research Question: Quantitative questions prove or disprove a researcher’s hypothesis through descriptions, comparisons, and relationships. These questions are beneficial when choosing a research topic or when posing follow-up questions that garner more information. Different types of quantitative research questions are: i. Descriptive questions ii. Comparative questions iii. Relationship-based questions

Qualitative research questions aim to explore the richness and depth of participants' experiences and perspectives. They should guide your research and allow for in-depth exploration of the phenomenon under investigation. After identifying the research topic and the purpose of your research: • Begin with Broad Inquiry: Start with a general research question that captures the main focus of your study. This question should be open-ended and allow for exploration. • Break Down the Main Question: Identify specific aspects or dimensions related to the main research question that you want to investigate. • Formulate Sub-questions: Create sub-questions that delve deeper into each specific aspect or dimension identified in the previous step. • Ensure Open-endedness: Make sure your research questions are open-ended and allow for varied responses and perspectives. Avoid questions that can be answered with a simple "yes" or "no." Encourage participants to share their experiences, opinions, and perceptions in their own words. • Refine and Review: Review your research questions to ensure they align with your research purpose, topic, and objectives. Seek feedback from your research advisor or peers to refine and improve your research questions.

Developing research questions requires careful consideration of the research topic, objectives, and the type of study you intend to conduct. Here are the steps to help you develop effective research questions: 1. Select a Topic 2. Conduct Preliminary Research 3. Consider Your Audience 4. Generate Potential Questions 5. Review Your Questions 6. Construct Your Research Question Based on PICOT or PEO Framework

There are two frameworks to construct your research question. The first one being PICOT framework, which stands for: • Population or problem • Intervention or indicator being studied • Comparison group • Outcome of interest • Time frame of the study The second framework is PEO, which stands for: • Population being studied • Exposure to preexisting conditions • Outcome of interest

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Research Question Examples 🧑🏻‍🏫

25+ Practical Examples & Ideas To Help You Get Started 

By: Derek Jansen (MBA) | October 2023

A well-crafted research question (or set of questions) sets the stage for a robust study and meaningful insights.  But, if you’re new to research, it’s not always clear what exactly constitutes a good research question. In this post, we’ll provide you with clear examples of quality research questions across various disciplines, so that you can approach your research project with confidence!

Research Question Examples

• Psychology research questions
• Business research questions
• Education research questions
• Healthcare research questions
• Computer science research questions

Examples: Psychology

Let’s start by looking at some examples of research questions that you might encounter within the discipline of psychology.

How does sleep quality affect academic performance in university students?

This question is specific to a population (university students) and looks at a direct relationship between sleep and academic performance, both of which are quantifiable and measurable variables.

What factors contribute to the onset of anxiety disorders in adolescents?

The question narrows down the age group and focuses on identifying multiple contributing factors. There are various ways in which it could be approached from a methodological standpoint, including both qualitatively and quantitatively.

Do mindfulness techniques improve emotional well-being?

This is a focused research question aiming to evaluate the effectiveness of a specific intervention.

How does early childhood trauma impact adult relationships?

This research question targets a clear cause-and-effect relationship over a long timescale, making it focused but comprehensive.

Is there a correlation between screen time and depression in teenagers?

This research question focuses on an in-demand current issue and a specific demographic, allowing for a focused investigation. The key variables are clearly stated within the question and can be measured and analysed (i.e., high feasibility).

Examples: Business/Management

Next, let’s look at some examples of well-articulated research questions within the business and management realm.

How do leadership styles impact employee retention?

This is an example of a strong research question because it directly looks at the effect of one variable (leadership styles) on another (employee retention), allowing from a strongly aligned methodological approach.

What role does corporate social responsibility play in consumer choice?

Current and precise, this research question can reveal how social concerns are influencing buying behaviour by way of a qualitative exploration.

Does remote work increase or decrease productivity in tech companies?

Focused on a particular industry and a hot topic, this research question could yield timely, actionable insights that would have high practical value in the real world.

How do economic downturns affect small businesses in the homebuilding industry?

Vital for policy-making, this highly specific research question aims to uncover the challenges faced by small businesses within a certain industry.

Which employee benefits have the greatest impact on job satisfaction?

By being straightforward and specific, answering this research question could provide tangible insights to employers.

Examples: Education

Next, let’s look at some potential research questions within the education, training and development domain.

How does class size affect students’ academic performance in primary schools?

This example research question targets two clearly defined variables, which can be measured and analysed relatively easily.

Do online courses result in better retention of material than traditional courses?

Timely, specific and focused, answering this research question can help inform educational policy and personal choices about learning formats.

What impact do US public school lunches have on student health?

Targeting a specific, well-defined context, the research could lead to direct changes in public health policies.

To what degree does parental involvement improve academic outcomes in secondary education in the Midwest?

This research question focuses on a specific context (secondary education in the Midwest) and has clearly defined constructs.

What are the negative effects of standardised tests on student learning within Oklahoma primary schools?

This research question has a clear focus (negative outcomes) and is narrowed into a very specific context.

Need a helping hand?

Examples: Healthcare

Shifting to a different field, let’s look at some examples of research questions within the healthcare space.

What are the most effective treatments for chronic back pain amongst UK senior males?

Specific and solution-oriented, this research question focuses on clear variables and a well-defined context (senior males within the UK).

How do different healthcare policies affect patient satisfaction in public hospitals in South Africa?

This question is has clearly defined variables and is narrowly focused in terms of context.

Which factors contribute to obesity rates in urban areas within California?

This question is focused yet broad, aiming to reveal several contributing factors for targeted interventions.

Does telemedicine provide the same perceived quality of care as in-person visits for diabetes patients?

Ideal for a qualitative study, this research question explores a single construct (perceived quality of care) within a well-defined sample (diabetes patients).

Which lifestyle factors have the greatest affect on the risk of heart disease?

This research question aims to uncover modifiable factors, offering preventive health recommendations.

Examples: Computer Science

Last but certainly not least, let’s look at a few examples of research questions within the computer science world.

What are the perceived risks of cloud-based storage systems?

Highly relevant in our digital age, this research question would align well with a qualitative interview approach to better understand what users feel the key risks of cloud storage are.

Which factors affect the energy efficiency of data centres in Ohio?

With a clear focus, this research question lays a firm foundation for a quantitative study.

How do TikTok algorithms impact user behaviour amongst new graduates?

While this research question is more open-ended, it could form the basis for a qualitative investigation.

What are the perceived risk and benefits of open-source software software within the web design industry?

Practical and straightforward, the results could guide both developers and end-users in their choices.

Remember, these are just examples…

In this post, we’ve tried to provide a wide range of research question examples to help you get a feel for what research questions look like in practice. That said, it’s important to remember that these are just examples and don’t necessarily equate to good research topics . If you’re still trying to find a topic, check out our topic megalist for inspiration.

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• Research Questions: Definitions, Types + [Examples]

Research questions lie at the core of systematic investigation and this is because recording accurate research outcomes is tied to asking the right questions. Asking the right questions when conducting research can help you collect relevant and insightful information that ultimately influences your work, positively. 

The right research questions are typically easy to understand, straight to the point, and engaging. In this article, we will share tips on how to create the right research questions and also show you how to create and administer an online questionnaire with Formplus . 

What is a Research Question? 

A research question is a specific inquiry which the research seeks to provide a response to. It resides at the core of systematic investigation and it helps you to clearly define a path for the research process. 

A research question is usually the first step in any research project. Basically, it is the primary interrogation point of your research and it sets the pace for your work.  

Typically, a research question focuses on the research, determines the methodology and hypothesis, and guides all stages of inquiry, analysis, and reporting. With the right research questions, you will be able to gather useful information for your investigation. 

Types of Research Questions 

Research questions are broadly categorized into 2; that is, qualitative research questions and quantitative research questions. Qualitative and quantitative research questions can be used independently and co-dependently in line with the overall focus and objectives of your research. 

If your research aims at collecting quantifiable data , you will need to make use of quantitative research questions. On the other hand, qualitative questions help you to gather qualitative data bothering on the perceptions and observations of your research subjects. 

Qualitative Research Questions  

A qualitative research question is a type of systematic inquiry that aims at collecting qualitative data from research subjects. The aim of qualitative research questions is to gather non-statistical information pertaining to the experiences, observations, and perceptions of the research subjects in line with the objectives of the investigation. 

Types of Qualitative Research Questions  

• Ethnographic Research Questions

As the name clearly suggests, ethnographic research questions are inquiries presented in ethnographic research. Ethnographic research is a qualitative research approach that involves observing variables in their natural environments or habitats in order to arrive at objective research outcomes. 

These research questions help the researcher to gather insights into the habits, dispositions, perceptions, and behaviors of research subjects as they interact in specific environments. 

Ethnographic research questions can be used in education, business, medicine, and other fields of study, and they are very useful in contexts aimed at collecting in-depth and specific information that are peculiar to research variables. For instance, asking educational ethnographic research questions can help you understand how pedagogy affects classroom relations and behaviors. 

This type of research question can be administered physically through one-on-one interviews, naturalism (live and work), and participant observation methods. Alternatively, the researcher can ask ethnographic research questions via online surveys and questionnaires created with Formplus.  

Examples of Ethnographic Research Questions

• Why do you use this product?
• Have you noticed any side effects since you started using this drug?
• Does this product meet your needs?

• Case Studies

A case study is a qualitative research approach that involves carrying out a detailed investigation into a research subject(s) or variable(s). In the course of a case study, the researcher gathers a range of data from multiple sources of information via different data collection methods, and over a period of time. 

The aim of a case study is to analyze specific issues within definite contexts and arrive at detailed research subject analyses by asking the right questions. This research method can be explanatory, descriptive , or exploratory depending on the focus of your systematic investigation or research. 

An explanatory case study is one that seeks to gather information on the causes of real-life occurrences. This type of case study uses “how” and “why” questions in order to gather valid information about the causative factors of an event. 

Descriptive case studies are typically used in business researches, and they aim at analyzing the impact of changing market dynamics on businesses. On the other hand, exploratory case studies aim at providing answers to “who” and “what” questions using data collection tools like interviews and questionnaires. 

Some questions you can include in your case studies are: 

• Why did you choose our services?
• How has this policy affected your business output?
• What benefits have you recorded since you started using our product?

An interview is a qualitative research method that involves asking respondents a series of questions in order to gather information about a research subject. Interview questions can be close-ended or open-ended , and they prompt participants to provide valid information that is useful to the research. 

An interview may also be structured, semi-structured , or unstructured , and this further influences the types of questions they include. Structured interviews are made up of more close-ended questions because they aim at gathering quantitative data while unstructured interviews consist, primarily, of open-ended questions that allow the researcher to collect qualitative information from respondents. 

You can conduct interview research by scheduling a physical meeting with respondents, through a telephone conversation, and via digital media and video conferencing platforms like Skype and Zoom. Alternatively, you can use Formplus surveys and questionnaires for your interview. 

Examples of interview questions include: 

• What challenges did you face while using our product?
• What specific needs did our product meet?
• What would you like us to improve our service delivery?

Quantitative Research Questions

Quantitative research questions are questions that are used to gather quantifiable data from research subjects. These types of research questions are usually more specific and direct because they aim at collecting information that can be measured; that is, statistical information. 

Types of Quantitative Research Questions

• Descriptive Research Questions

Descriptive research questions are inquiries that researchers use to gather quantifiable data about the attributes and characteristics of research subjects. These types of questions primarily seek responses that reveal existing patterns in the nature of the research subjects. 

It is important to note that descriptive research questions are not concerned with the causative factors of the discovered attributes and characteristics. Rather, they focus on the “what”; that is, describing the subject of the research without paying attention to the reasons for its occurrence. 

Descriptive research questions are typically closed-ended because they aim at gathering definite and specific responses from research participants. Also, they can be used in customer experience surveys and market research to collect information about target markets and consumer behaviors. 

Descriptive Research Question Examples

• How often do you make use of our fitness application?
• How much would you be willing to pay for this product?

• Comparative Research Questions

A comparative research question is a type of quantitative research question that is used to gather information about the differences between two or more research subjects across different variables. These types of questions help the researcher to identify distinct features that mark one research subject from the other while highlighting existing similarities. 

Asking comparative research questions in market research surveys can provide insights on how your product or service matches its competitors. In addition, it can help you to identify the strengths and weaknesses of your product for a better competitive advantage.  

The 5 steps involved in the framing of comparative research questions are: 

• Choose your starting phrase
• Identify and name the dependent variable
• Identify the groups you are interested in
• Identify the appropriate adjoining text
• Write out the comparative research question

Comparative Research Question Samples 

• What are the differences between a landline telephone and a smartphone?
• What are the differences between work-from-home and on-site operations?

• Relationship-based Research Questions  

Just like the name suggests, a relationship-based research question is one that inquires into the nature of the association between two research subjects within the same demographic. These types of research questions help you to gather information pertaining to the nature of the association between two research variables. 

Relationship-based research questions are also known as correlational research questions because they seek to clearly identify the link between 2 variables. 

Read: Correlational Research Designs: Types, Examples & Methods

Examples of relationship-based research questions include: 

• What is the relationship between purchasing power and the business site?
• What is the relationship between the work environment and workforce turnover?

Examples of a Good Research Question

Since research questions lie at the core of any systematic investigations, it is important to know how to frame a good research question. The right research questions will help you to gather the most objective responses that are useful to your systematic investigation. 

A good research question is one that requires impartial responses and can be answered via existing sources of information. Also, a good research question seeks answers that actively contribute to a body of knowledge; hence, it is a question that is yet to be answered in your specific research context.

• Open-Ended Questions

 An open-ended question is a type of research question that does not restrict respondents to a set of premeditated answer options. In other words, it is a question that allows the respondent to freely express his or her perceptions and feelings towards the research subject. 

Examples of Open-ended Questions

• How do you deal with stress in the workplace?
• What is a typical day at work like for you?
• Close-ended Questions

A close-ended question is a type of survey question that restricts respondents to a set of predetermined answers such as multiple-choice questions . Close-ended questions typically require yes or no answers and are commonly used in quantitative research to gather numerical data from research participants. 

Examples of Close-ended Questions

• Did you enjoy this event?
• How likely are you to recommend our services?
• Very Likely
• Somewhat Likely
• Likert Scale Questions

A Likert scale question is a type of close-ended question that is structured as a 3-point, 5-point, or 7-point psychometric scale . This type of question is used to measure the survey respondent’s disposition towards multiple variables and it can be unipolar or bipolar in nature. 

Example of Likert Scale Questions

• How satisfied are you with our service delivery?
• Very dissatisfied
• Not satisfied
• Very satisfied
• Rating Scale Questions

A rating scale question is a type of close-ended question that seeks to associate a specific qualitative measure (rating) with the different variables in research. It is commonly used in customer experience surveys, market research surveys, employee reviews, and product evaluations. 

Example of Rating Questions

• How would you rate our service delivery?

  Examples of a Bad Research Question

Knowing what bad research questions are would help you avoid them in the course of your systematic investigation. These types of questions are usually unfocused and often result in research biases that can negatively impact the outcomes of your systematic investigation. 

• Loaded Questions

A loaded question is a question that subtly presupposes one or more unverified assumptions about the research subject or participant. This type of question typically boxes the respondent in a corner because it suggests implicit and explicit biases that prevent objective responses. 

Example of Loaded Questions

• Have you stopped smoking?
• Where did you hide the money?
• Negative Questions

A negative question is a type of question that is structured with an implicit or explicit negator. Negative questions can be misleading because they upturn the typical yes/no response order by requiring a negative answer for affirmation and an affirmative answer for negation. 

Examples of Negative Questions

• Would you mind dropping by my office later today?
• Didn’t you visit last week?
• Leading Questions  

A l eading question is a type of survey question that nudges the respondent towards an already-determined answer. It is highly suggestive in nature and typically consists of biases and unverified assumptions that point toward its premeditated responses. 

Examples of Leading Questions

• If you enjoyed this service, would you be willing to try out our other packages?
• Our product met your needs, didn’t it?

Read More: Leading Questions: Definition, Types, and Examples

How to Use Formplus as Online Research Questionnaire Tool  

With Formplus, you can create and administer your online research questionnaire easily. In the form builder, you can add different form fields to your questionnaire and edit these fields to reflect specific research questions for your systematic investigation. 

Here is a step-by-step guide on how to create an online research questionnaire with Formplus: 

• Sign in to your Formplus accoun t, then click on the “create new form” button in your dashboard to access the Form builder.

• In the form builder, add preferred form fields to your online research questionnaire by dragging and dropping them into the form. Add a title to your form in the title block. You can edit form fields by clicking on the “pencil” icon on the right corner of each form field.

• Save the form to access the customization section of the builder. Here, you can tweak the appearance of your online research questionnaire by adding background images, changing the form font, and adding your organization’s logo.

• Finally, copy your form link and share it with respondents. You can also use any of the multiple sharing options available.

Conclusion  

The success of your research starts with framing the right questions to help you collect the most valid and objective responses. Be sure to avoid bad research questions like loaded and negative questions that can be misleading and adversely affect your research data and outcomes. 

Your research questions should clearly reflect the aims and objectives of your systematic investigation while laying emphasis on specific contexts. To help you seamlessly gather responses for your research questions, you can create an online research questionnaire on Formplus.  

Connect to Formplus, Get Started Now - It's Free!

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1-Research Questions

1. The Purpose of Research Questions

Both professional researchers and successful student researchers develop research questions. That’s because research questions are more than handy tools; they are essential to the research process.

By defining exactly what the researcher is trying to find out, these questions influence most of the rest of the steps taken to conduct the research. That’s true even if the research is not for academic purposes but for other areas of our lives.

For instance, if you’re seeking information about a health problem in order to learn whether you have anything to worry about, research questions will make it possible for you to more effectively decide whether to seek medical help–and how quickly.

Or, if you’re researching a potential employer, having developed and used research questions will mean you’re able to more confidently decide whether to apply for an internship or job there.

The confidence you’ll have when making such decisions will come from knowing that the information they’re based on was gathered by conscious thought rather than serendipity and whim.

Choosing & Using Sources: A Guide to Academic Research Copyright © 2015 by Teaching & Learning, Ohio State University Libraries is licensed under a Creative Commons Attribution 4.0 International License , except where otherwise noted.

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Organizing Your Social Sciences Research Paper

• The Research Problem/Question
• Purpose of Guide
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• Independent and Dependent Variables
• Glossary of Research Terms
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• Scholarly vs. Popular Publications
• Qualitative Methods
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• Insiderness
• Using Non-Textual Elements
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• Common Grammar Mistakes
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A research problem is a definite or clear expression [statement] about an area of concern, a condition to be improved upon, a difficulty to be eliminated, or a troubling question that exists in scholarly literature, in theory, or within existing practice that points to a need for meaningful understanding and deliberate investigation. A research problem does not state how to do something, offer a vague or broad proposition, or present a value question. In the social and behavioral sciences, studies are most often framed around examining a problem that needs to be understood and resolved in order to improve society and the human condition.

Bryman, Alan. “The Research Question in Social Research: What is its Role?” International Journal of Social Research Methodology 10 (2007): 5-20; Guba, Egon G., and Yvonna S. Lincoln. “Competing Paradigms in Qualitative Research.” In Handbook of Qualitative Research . Norman K. Denzin and Yvonna S. Lincoln, editors. (Thousand Oaks, CA: Sage, 1994), pp. 105-117; Pardede, Parlindungan. “Identifying and Formulating the Research Problem." Research in ELT: Module 4 (October 2018): 1-13; Li, Yanmei, and Sumei Zhang. "Identifying the Research Problem." In Applied Research Methods in Urban and Regional Planning . (Cham, Switzerland: Springer International Publishing, 2022), pp. 13-21.

Importance of...

The purpose of a problem statement is to:

• Introduce the reader to the importance of the topic being studied . The reader is oriented to the significance of the study.
• Anchors the research questions, hypotheses, or assumptions to follow . It offers a concise statement about the purpose of your paper.
• Place the topic into a particular context that defines the parameters of what is to be investigated.
• Provide the framework for reporting the results and indicates what is probably necessary to conduct the study and explain how the findings will present this information.

In the social sciences, the research problem establishes the means by which you must answer the "So What?" question. This declarative question refers to a research problem surviving the relevancy test [the quality of a measurement procedure that provides repeatability and accuracy]. Note that answering the "So What?" question requires a commitment on your part to not only show that you have reviewed the literature, but that you have thoroughly considered the significance of the research problem and its implications applied to creating new knowledge and understanding or informing practice.

To survive the "So What" question, problem statements should possess the following attributes:

• Clarity and precision [a well-written statement does not make sweeping generalizations and irresponsible pronouncements; it also does include unspecific determinates like "very" or "giant"],
• Demonstrate a researchable topic or issue [i.e., feasibility of conducting the study is based upon access to information that can be effectively acquired, gathered, interpreted, synthesized, and understood],
• Identification of what would be studied, while avoiding the use of value-laden words and terms,
• Identification of an overarching question or small set of questions accompanied by key factors or variables,
• Identification of key concepts and terms,
• Articulation of the study's conceptual boundaries or parameters or limitations,
• Some generalizability in regards to applicability and bringing results into general use,
• Conveyance of the study's importance, benefits, and justification [i.e., regardless of the type of research, it is important to demonstrate that the research is not trivial],
• Does not have unnecessary jargon or overly complex sentence constructions; and,
• Conveyance of more than the mere gathering of descriptive data providing only a snapshot of the issue or phenomenon under investigation.

Bryman, Alan. “The Research Question in Social Research: What is its Role?” International Journal of Social Research Methodology 10 (2007): 5-20; Brown, Perry J., Allen Dyer, and Ross S. Whaley. "Recreation Research—So What?" Journal of Leisure Research 5 (1973): 16-24; Castellanos, Susie. Critical Writing and Thinking. The Writing Center. Dean of the College. Brown University; Ellis, Timothy J. and Yair Levy Nova. "Framework of Problem-Based Research: A Guide for Novice Researchers on the Development of a Research-Worthy Problem." Informing Science: the International Journal of an Emerging Transdiscipline 11 (2008); Thesis and Purpose Statements. The Writer’s Handbook. Writing Center. University of Wisconsin, Madison; Thesis Statements. The Writing Center. University of North Carolina; Tips and Examples for Writing Thesis Statements. The Writing Lab and The OWL. Purdue University; Selwyn, Neil. "‘So What?’…A Question that Every Journal Article Needs to Answer." Learning, Media, and Technology 39 (2014): 1-5; Shoket, Mohd. "Research Problem: Identification and Formulation." International Journal of Research 1 (May 2014): 512-518.

Structure and Writing Style

I.  Types and Content

There are four general conceptualizations of a research problem in the social sciences:

• Casuist Research Problem -- this type of problem relates to the determination of right and wrong in questions of conduct or conscience by analyzing moral dilemmas through the application of general rules and the careful distinction of special cases.
• Difference Research Problem -- typically asks the question, “Is there a difference between two or more groups or treatments?” This type of problem statement is used when the researcher compares or contrasts two or more phenomena. This a common approach to defining a problem in the clinical social sciences or behavioral sciences.
• Descriptive Research Problem -- typically asks the question, "what is...?" with the underlying purpose to describe the significance of a situation, state, or existence of a specific phenomenon. This problem is often associated with revealing hidden or understudied issues.
• Relational Research Problem -- suggests a relationship of some sort between two or more variables to be investigated. The underlying purpose is to investigate specific qualities or characteristics that may be connected in some way.

A problem statement in the social sciences should contain :

• A lead-in that helps ensure the reader will maintain interest over the study,
• A declaration of originality [e.g., mentioning a knowledge void or a lack of clarity about a topic that will be revealed in the literature review of prior research],
• An indication of the central focus of the study [establishing the boundaries of analysis], and
• An explanation of the study's significance or the benefits to be derived from investigating the research problem.

NOTE :   A statement describing the research problem of your paper should not be viewed as a thesis statement that you may be familiar with from high school. Given the content listed above, a description of the research problem is usually a short paragraph in length.

II.  Sources of Problems for Investigation

The identification of a problem to study can be challenging, not because there's a lack of issues that could be investigated, but due to the challenge of formulating an academically relevant and researchable problem which is unique and does not simply duplicate the work of others. To facilitate how you might select a problem from which to build a research study, consider these sources of inspiration:

Deductions from Theory This relates to deductions made from social philosophy or generalizations embodied in life and in society that the researcher is familiar with. These deductions from human behavior are then placed within an empirical frame of reference through research. From a theory, the researcher can formulate a research problem or hypothesis stating the expected findings in certain empirical situations. The research asks the question: “What relationship between variables will be observed if theory aptly summarizes the state of affairs?” One can then design and carry out a systematic investigation to assess whether empirical data confirm or reject the hypothesis, and hence, the theory.

Interdisciplinary Perspectives Identifying a problem that forms the basis for a research study can come from academic movements and scholarship originating in disciplines outside of your primary area of study. This can be an intellectually stimulating exercise. A review of pertinent literature should include examining research from related disciplines that can reveal new avenues of exploration and analysis. An interdisciplinary approach to selecting a research problem offers an opportunity to construct a more comprehensive understanding of a very complex issue that any single discipline may be able to provide.

Interviewing Practitioners The identification of research problems about particular topics can arise from formal interviews or informal discussions with practitioners who provide insight into new directions for future research and how to make research findings more relevant to practice. Discussions with experts in the field, such as, teachers, social workers, health care providers, lawyers, business leaders, etc., offers the chance to identify practical, “real world” problems that may be understudied or ignored within academic circles. This approach also provides some practical knowledge which may help in the process of designing and conducting your study.

Personal Experience Don't undervalue your everyday experiences or encounters as worthwhile problems for investigation. Think critically about your own experiences and/or frustrations with an issue facing society or related to your community, your neighborhood, your family, or your personal life. This can be derived, for example, from deliberate observations of certain relationships for which there is no clear explanation or witnessing an event that appears harmful to a person or group or that is out of the ordinary.

Relevant Literature The selection of a research problem can be derived from a thorough review of pertinent research associated with your overall area of interest. This may reveal where gaps exist in understanding a topic or where an issue has been understudied. Research may be conducted to: 1) fill such gaps in knowledge; 2) evaluate if the methodologies employed in prior studies can be adapted to solve other problems; or, 3) determine if a similar study could be conducted in a different subject area or applied in a different context or to different study sample [i.e., different setting or different group of people]. Also, authors frequently conclude their studies by noting implications for further research; read the conclusion of pertinent studies because statements about further research can be a valuable source for identifying new problems to investigate. The fact that a researcher has identified a topic worthy of further exploration validates the fact it is worth pursuing.

III.  What Makes a Good Research Statement?

A good problem statement begins by introducing the broad area in which your research is centered, gradually leading the reader to the more specific issues you are investigating. The statement need not be lengthy, but a good research problem should incorporate the following features:

1.  Compelling Topic The problem chosen should be one that motivates you to address it but simple curiosity is not a good enough reason to pursue a research study because this does not indicate significance. The problem that you choose to explore must be important to you, but it must also be viewed as important by your readers and to a the larger academic and/or social community that could be impacted by the results of your study. 2.  Supports Multiple Perspectives The problem must be phrased in a way that avoids dichotomies and instead supports the generation and exploration of multiple perspectives. A general rule of thumb in the social sciences is that a good research problem is one that would generate a variety of viewpoints from a composite audience made up of reasonable people. 3.  Researchability This isn't a real word but it represents an important aspect of creating a good research statement. It seems a bit obvious, but you don't want to find yourself in the midst of investigating a complex research project and realize that you don't have enough prior research to draw from for your analysis. There's nothing inherently wrong with original research, but you must choose research problems that can be supported, in some way, by the resources available to you. If you are not sure if something is researchable, don't assume that it isn't if you don't find information right away--seek help from a librarian !

NOTE:   Do not confuse a research problem with a research topic. A topic is something to read and obtain information about, whereas a problem is something to be solved or framed as a question raised for inquiry, consideration, or solution, or explained as a source of perplexity, distress, or vexation. In short, a research topic is something to be understood; a research problem is something that needs to be investigated.

IV.  Asking Analytical Questions about the Research Problem

Research problems in the social and behavioral sciences are often analyzed around critical questions that must be investigated. These questions can be explicitly listed in the introduction [i.e., "This study addresses three research questions about women's psychological recovery from domestic abuse in multi-generational home settings..."], or, the questions are implied in the text as specific areas of study related to the research problem. Explicitly listing your research questions at the end of your introduction can help in designing a clear roadmap of what you plan to address in your study, whereas, implicitly integrating them into the text of the introduction allows you to create a more compelling narrative around the key issues under investigation. Either approach is appropriate.

The number of questions you attempt to address should be based on the complexity of the problem you are investigating and what areas of inquiry you find most critical to study. Practical considerations, such as, the length of the paper you are writing or the availability of resources to analyze the issue can also factor in how many questions to ask. In general, however, there should be no more than four research questions underpinning a single research problem.

Given this, well-developed analytical questions can focus on any of the following:

• Highlights a genuine dilemma, area of ambiguity, or point of confusion about a topic open to interpretation by your readers;
• Yields an answer that is unexpected and not obvious rather than inevitable and self-evident;
• Provokes meaningful thought or discussion;
• Raises the visibility of the key ideas or concepts that may be understudied or hidden;
• Suggests the need for complex analysis or argument rather than a basic description or summary; and,
• Offers a specific path of inquiry that avoids eliciting generalizations about the problem.

NOTE:   Questions of how and why concerning a research problem often require more analysis than questions about who, what, where, and when. You should still ask yourself these latter questions, however. Thinking introspectively about the who, what, where, and when of a research problem can help ensure that you have thoroughly considered all aspects of the problem under investigation and helps define the scope of the study in relation to the problem.

V.  Mistakes to Avoid

Beware of circular reasoning! Do not state the research problem as simply the absence of the thing you are suggesting. For example, if you propose the following, "The problem in this community is that there is no hospital," this only leads to a research problem where:

• The need is for a hospital
• The objective is to create a hospital
• The method is to plan for building a hospital, and
• The evaluation is to measure if there is a hospital or not.

This is an example of a research problem that fails the "So What?" test . In this example, the problem does not reveal the relevance of why you are investigating the fact there is no hospital in the community [e.g., perhaps there's a hospital in the community ten miles away]; it does not elucidate the significance of why one should study the fact there is no hospital in the community [e.g., that hospital in the community ten miles away has no emergency room]; the research problem does not offer an intellectual pathway towards adding new knowledge or clarifying prior knowledge [e.g., the county in which there is no hospital already conducted a study about the need for a hospital, but it was conducted ten years ago]; and, the problem does not offer meaningful outcomes that lead to recommendations that can be generalized for other situations or that could suggest areas for further research [e.g., the challenges of building a new hospital serves as a case study for other communities].

Alvesson, Mats and Jörgen Sandberg. “Generating Research Questions Through Problematization.” Academy of Management Review 36 (April 2011): 247-271 ; Choosing and Refining Topics. Writing@CSU. Colorado State University; D'Souza, Victor S. "Use of Induction and Deduction in Research in Social Sciences: An Illustration." Journal of the Indian Law Institute 24 (1982): 655-661; Ellis, Timothy J. and Yair Levy Nova. "Framework of Problem-Based Research: A Guide for Novice Researchers on the Development of a Research-Worthy Problem." Informing Science: the International Journal of an Emerging Transdiscipline 11 (2008); How to Write a Research Question. The Writing Center. George Mason University; Invention: Developing a Thesis Statement. The Reading/Writing Center. Hunter College; Problem Statements PowerPoint Presentation. The Writing Lab and The OWL. Purdue University; Procter, Margaret. Using Thesis Statements. University College Writing Centre. University of Toronto; Shoket, Mohd. "Research Problem: Identification and Formulation." International Journal of Research 1 (May 2014): 512-518; Trochim, William M.K. Problem Formulation. Research Methods Knowledge Base. 2006; Thesis and Purpose Statements. The Writer’s Handbook. Writing Center. University of Wisconsin, Madison; Thesis Statements. The Writing Center. University of North Carolina; Tips and Examples for Writing Thesis Statements. The Writing Lab and The OWL. Purdue University; Pardede, Parlindungan. “Identifying and Formulating the Research Problem." Research in ELT: Module 4 (October 2018): 1-13; Walk, Kerry. Asking an Analytical Question. [Class handout or worksheet]. Princeton University; White, Patrick. Developing Research Questions: A Guide for Social Scientists . New York: Palgrave McMillan, 2009; Li, Yanmei, and Sumei Zhang. "Identifying the Research Problem." In Applied Research Methods in Urban and Regional Planning . (Cham, Switzerland: Springer International Publishing, 2022), pp. 13-21.

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1. INTRODUCTION

2. background, 5. discussion, 6. conclusions, author contributions, competing interests, funding information, data availability, how common are explicit research questions in journal articles.

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Mike Thelwall , Amalia Mas-Bleda; How common are explicit research questions in journal articles?. Quantitative Science Studies 2020; 1 (2): 730–748. doi: https://doi.org/10.1162/qss_a_00041

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Although explicitly labeled research questions seem to be central to some fields, others do not need them. This may confuse authors, editors, readers, and reviewers of multidisciplinary research. This article assesses the extent to which research questions are explicitly mentioned in 17 out of 22 areas of scholarship from 2000 to 2018 by searching over a million full-text open access journal articles. Research questions were almost never explicitly mentioned (under 2%) by articles in engineering and physical, life, and medical sciences, and were the exception (always under 20%) for the broad fields in which they were least rare: computing, philosophy, theology, and social sciences. Nevertheless, research questions were increasingly mentioned explicitly in all fields investigated, despite a rate of 1.8% overall (1.1% after correcting for irrelevant matches). Other terminology for an article’s purpose may be more widely used instead, including aims, objectives, goals, hypotheses, and purposes, although no terminology occurs in a majority of articles in any broad field tested. Authors, editors, readers, and reviewers should therefore be aware that the use of explicitly labeled research questions or other explicit research purpose terminology is nonstandard in most or all broad fields, although it is becoming less rare.

Academic research is increasingly multidisciplinary, partly due to team research addressing practical problems. There are also now large multidisciplinary journals, such as PLOS ONE and Nature Scientific Reports , with editorial teams that manage papers written by people from diverse disciplinary backgrounds. There is therefore an increasing need for researchers to understand disciplinary norms in writing styles and paradigms. The authors of a research paper need to know how to frame its central contribution so that it is understood by multidisciplinary audiences. One strategy for this is to base an article around a set of explicitly named research questions that address gaps in prior research. Employing the standard phrase “research question” gives an unambiguous signpost for the purpose of an article and may therefore aid clarity. Other strategies include stating hypotheses, goals, or aims, or describing an objective without calling it an objective (e.g., “this paper investigates X”). Similarly, structured abstracts are believed to help readers understand a paper ( Hartley, 2004 ), perhaps partly by having an explicit aim, objective, or goal section. A paper that does not recognize or value the way in which the central contribution is conveyed may be rejected by a reviewer or editor if they are unfamiliar with the norms of the submitting field. It would therefore be helpful for authors, reviewers, and editors to know which research fields employ explicitly labeled research questions or alternative standard terminology.

Purpose statements and research questions or hypotheses are interrelated elements of the research process. Research questions are interrogative statements that reflect the problem to be addressed, usually shaped by the goal or objectives of the study ( Onwuegbuzie & Leech, 2006 ). For example, a healthcare article argued that “a good research paper addresses a specific research question. The research question—or study objective or main research hypothesis—is the central organizing principle of the paper” and “the key attributes are: (i) specificity; (ii) originality or novelty; and (iii) general relevance to a broad scientific community” ( Perneger & Hudelson, 2004 ).

The choice of terminology to describe an article’s purpose seems to be conceptually arbitrary, with the final decision based on community norms, journal guidelines, and author style. For example, a research paper investigating issue X could phrase its purpose in the following ways: “research question 1: is X true?,” “this paper aims to investigate X,” “the aim/objective/purpose/goal is to investigate X,” or “X?” (as in the current paper). Implicit purpose statements might include “this paper investigates X” or just “X,” where the context makes clear that this is the purpose. Alternatively, the reader might deduce the purpose of a paper after reading it, with all these options achieving the same result with different linguistic strategies. Some research purposes might not be easily expressible as a research question, however. For example, a humanities paper might primarily discuss an issue (e.g., “Aspects of the monastery and monastic life in Adomnán’s Life of Columba ”) but even these could perhaps be expressed as research questions, if necessary (e.g., “Which are the most noteworthy aspects of the monastery and monastic life in Adomnán’s Life of Columba ?”).

In which fields are explicitly named research questions commonly used?

Has the use of explicitly named research questions increased over time?

Are research purposes addressed using alternative language in different fields?

Do large journals guide authors to use explicitly named research questions or other terminology for purpose statements in different fields?

2.1. Advice for Authors

There are some influential guidelines for reporting academic research. In the social sciences, Swales’ (1990 , 2004) Create A Research Space (CARS) model structures research article introductions in three moves (establishing a territory, establishing a niche, and occupying a niche), which are subdivided into steps. Within the 1990 model, move 3 includes the steps “outlining purposes” and “announcing present research,” but research questions are not explicitly included, being similar the “question raising” step in move 2. In the updated 2004 model, move 3 includes an obligatory step named “announcing present research descriptively and/or purposively” (that joins the steps “outlining purposes” and “announcing present research” from the 1990 model), whereas “listing research questions or hypotheses” is a new optional step.

In medicine, the Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) initiative is a checklist of items that should be included to improve reporting quality. One of these is a statement of objectives that “may be formulated as specific hypotheses or as questions that the study was designed to address” or may be less precise in early studies ( Vandenbroucke, von Elm, et al., 2014 ). This description therefore includes stating research questions as one of a range of ways of specifying objectives. An informal advice article in medicine instead starts by arguing that the paper’s aim should be clearly defined ( McIntyrei, Nisbet, et al., 2007 ).

Researchers may also be guided about the language to use in papers by any ethical or other procedures that they need to follow before conducting their work. For example, clinical trials often need to be registered and declared in a standard format, which may include explicit descriptions of objectives (e.g., see “E.2.1: Main objective of the trial” at: https://www.clinicaltrialsregister.eu/ctr-search/trial/2015-002555-10/GB ).

2.2. Empirical Evidence

Journal article research questions and other purpose statements, such as aims, objectives, goals, and hypotheses ( Shehzad, 2011 ), are usually included within Introduction sections or introductory phases, sometimes appearing as separate sections ( Kwan, 2017 ; Yang & Allison, 2004 ). Some studies have analyzed research article introductions in different disciplines and languages based on the Swales’ (1990 , 2004) CARS model. Although these studies analyze small sets of articles, they seem to agree that the research article introduction structure varies across disciplines (e.g., Joseph, Lim & Nor, 2014 ) and subdisciplines within a discipline, including for engineering ( Kanoksilapatham, 2012 ; Maswana, Kanamaru, & Tajino, 2015 ), applied linguistics ( Jalilifar, 2010 ; Ozturk, 2007 ) and environmental sciences ( Samraj, 2002 ). Introductions in English seem to follow this pattern more closely than introductions in other languages ( Ahamad & Yusof, 2012 ; Hirano, 2009 ; Loi & Evans, 2010 ; Rahimi & Farnia, 2017 ; Sheldon, 2011 ), reflecting cultural differences. Research questions and other purpose terminology, such as aims, objectives, goals, or hypotheses, might also reappear within the Results or Discussion sections ( Amunai & Wannaruk, 2013 ; Brett, 1994 ; Hopkins & Dudley-Evans, 1988 ; Kanoksilapatham, 2005 ).

Previous research has shown that research questions and hypotheses are more common among English-language papers than non-English papers ( Loi & Evans, 2010 ; Mur Dueñas, 2010 ; Omidi & Farnia, 2016 ; Rahimi & Farnia, 2017 ; Sheldon, 2011 ), especially those written by English native speakers ( Sheldon, 2011 ). However, a study analyzing 119 English research article introductions from Iranian and international journals in three subdisciplines within applied linguistics found that “announcing present research” was more used in international journals whereas research questions were proclaimed explicitly more often in local journals ( Jalilifar, 2010 ).

In some fields the verbs examine , determine , evaluate , assess , and investigate are associated with the research purpose ( Cortés, 2013 ; Jalali & Moini, 2014 ; Kanoksilapatham, 2005 ) and the verbs expect , anticipate , and estimate are associated with hypotheses ( Williams, 1999 ). Some computer scientists seem to prefer to write the details of the method(s) used rather than stating the purpose or describing the nature of their research and use assumptions or research questions rather than hypotheses ( Shehzad, 2011 ). Moreover, scholars might state the hypotheses in other ways, such as “it was hypothesized that” ( Jalali & Moini, 2014 ).

A study analyzing lexical bundles (usually phrases) in medical research article introductions showed that the most frequent four-word phrases are related to the research objective, such as “the aim of the,” “aim of the present,” and “study was to evaluate” ( Jalali & Moini, 2014 ). Another study examined lexical bundles in a million-word corpus of research article introductions from several disciplines, showing that the main bundle used to announce the research descriptively and/or purposefully included the terms aim , objective , and purpose (e.g., “the aim of this paper,” “the objective of this study,” “the purpose of this paper”), but no bundles related to research questions or hypotheses were identified ( Cortés, 2013 ).

These findings are in line with other previous studies investigating the structure of research articles, especially the introduction section, which report a much higher percentage of journal papers specifying the research purpose than the research questions or hypotheses across disciplines, regardless of the language in which they are published, with the exception of law articles (see Table 1 ). These studies also show that research questions and hypotheses are much more frequent among social sciences articles (see Table 1 ), which has also been found in other genres, such as PhD theses and Master’s theses (see Table 2 ).

Reference to a wide research purposes, without specifying if they are objectives or RQs/hypotheses.

Restating RQs in the result section.

Note: Studies that have based their analysis on the Swales’s (1990) CARS model ( Anthony, 1999 ; Posteguillo, 1999 ; Mahzari & Maftoon, 2007 ) report the percentage related to “outlining purposes” and “announcing present research.” For these studies, the column “Present the research purpose” reports the higher value. Moreover, for these studies, the value reported in the RQs/hypotheses column refers to the “Question raising” information.

A few studies have focused exclusively on research purposes, research questions, and hypotheses. Some have discussed the development of research questions in qualitative ( Agee, 2009 ) or mixed method ( Onwuegbuzie & Leech, 2006 ) studies, whereas others have examined the ways of constructing research questions or hypotheses within some fields, such as organization studies ( Sandberg & Alvesson, 2011 ) or applied linguistics doctoral dissertations ( Lim, 2014 ; Lim, Loi, & Hashim, 2014 ). Shehzad (2011) examined the strategies and styles employed by computer scientists outlining purposes and listing research questions. She found an increase in the use of research nature or purpose statements and suggested that the “listing research questions or hypotheses” step of Swales’s model was obligatory in computing. No study seems to have examined how often journal guidelines give authors explicit advice about research questions or other purpose statements, however.

The PMC (Pub Med Central) Open Access subset ( www.ncbi.nlm.nih.gov/pmc/tools/openftlist/ ) was downloaded in XML format in November 2018. This is a collection of documents from open access journals or open access articles within hybrid journals. The collection has a biomedical focus, but includes at least a few articles from all broad disciplinary areas. Although a biased subset is not ideal, this is apparently the largest open access collection. Only documents declared in their XML to be of type “research article” were retained for analysis. This excludes many short contributions, such as editorials, that would not need research goals.

The XML of the body section of each article was searched for the test strings “research question,” “RESEARCH QUESTION,” “Research Question,” or “Research question,” recording whether each article contained at least one. This would miss papers exclusively using abbreviations, such as RQ1.

Full body text searches are problematic because terms could be mentioned in other contexts, depending on the part of an article. For example, the phrase “research question” in a literature review section may refer to an article reviewed. For a science-wide analysis it is not possible to be prescriptive about the sections in which a term must occur, however, because there is little uniformity in section names or orders ( Thelwall, 2019 ). Making simplifying assumptions about the position in a text in which a term should appear, such as that a research question should be stated in the first part of an article, would also not be defensible. This is because the structure of articles varies widely between journals and fields. For example, methods can appear at the end rather than the middle, and some papers start with results, with little introduction. There are also international cultural differences in the order in which sections are presented in some fields ( Teufel, 1999 ). The current paper therefore uses full-text searches without any heuristics to restrict the results for transparency and to give an almost certain upper bound to the prevalence of terms, given the lack of a high-quality alternative.

Articles were separated into broad fields using the Science-Metrics public journal classification scheme ( Archambault, Beauchesne, & Caruso, 2011 ), which allocates each journal into exactly one category. This seems to be more precise than the Scopus or Web of Science schemes ( Klavans & Boyack, 2017 ). The Science-Metrics classification was extended by adding the largest 100 journals in the PMC collection that had not been included in the original Science-Metrics classification scheme. These were classified into a Science-Metrics category by first author based on their similarity to other journals in the Science-Metrics scheme.

Five of the broad fields had too little data to be useful (Economics & Business; Visual & Performing Arts; Communication & Text Studies; General Arts, Humanities & Social Sciences; Built Environment & Design) and were removed. Years before 2000 were not included because of their age and small amount of data. Individual field/year combinations were also removed when there were fewer than 30 articles, since they might give a misleading percentage. Each of the 17 remaining categories contained at least 630 articles ( Table 3 ), with exact numbers for each field and year available in the online supplementary material (columns AE to AW: https://doi.org/10.6084/m9.figshare.10274012 ). For all broad fields, most articles have been published in the last 5 years (2014–2018), with the exception of Historical Studies, Chemistry, and Enabling & Strategic Technology.

For the third research question, alternative terms for research goals were searched for in the full text of articles. These terms might all be used in different contexts, so a match is not necessarily related to the main goal of the paper (e.g., the term “question” could be part of a discussion of a questionnaire), but the rank order between disciplines may be informative and the results serve as an upper bound for valid uses. The terms searched for were “research questions,” “questions,” “hypotheses,” “aims,” “objectives,” “goals,” and “purposes” in both singular and plural forms. These have been identified above as performing similar functions in research. For this exploration, the term “question” is used in addition to “research question” to capture more general uses.

Any of the queried terms could be included in an article out of context. For example, “research question” could be mentioned in a literature review rather than to describe the purpose of the new article. To check the context in which each term was used, a random sample of 100 articles (using a random number generator) matching each term (200 for each concept, counting both singular and plural, totaling 1,400 checks) was manually examined to ascertain whether any use of the term in the article stated the purpose of the paper directly (e.g., “Our research questions were…”) or indirectly (e.g., “This answered our research questions”), unless mentioned peripherally as information to others (e.g., “The study research questions were explained to interviewees”). There did not seem to be stock phrases that could be used to eliminate a substantial proportion of the irrelevant matches (e.g., “objective function” or “microscope objective”). There also was not a set of standard phrases that collectively could unambiguously identify the vast majority of research questions (e.g., “Our research questions were” or “This article’s research question is”).

Journal guidelines given to authors were manually analyzed to check whether they give advice about research questions and other purpose statements. Three journals with the most articles in each of the 17 academic fields were selected for this (see online supplement doi.org/10.6084/m9.figshare.10274012 ). This information is useful background context to help interpret the results.

4.1. RQ1 and RQ2: Articles Mentioning Research Questions

Altogether, 23,282 out of 1,314,412 articles explicitly mentioned the phrases “research question” or “research questions” (1.8%), although no field included them in more than a fifth of articles in recent years and there are substantial differences between broad fields ( Figure 1 ). When the terms are used in an article they usually (63%, from the 1,400 manual checks) refer to the article’s main research question(s). Other uses of these terms include referring to questions raised by the findings, and a discussion of other articles’ research questions in literature review sections or as part of the selection criteria of meta-analyses. Thus, overall, only 1.1% of PMC full-text research articles mention their research questions explicitly using the singular or plural form. There has been a general trend for the increasing use of these terms, however ( Figure 2 ).

The percentage of full-text research articles containing the phrases “research question” or “research questions” in the body of the text, 2014–2018, for articles in the PMC Open Access collection from 17 out of 22 Science-Metrics broad fields; 63% of occurrences of these terms described the hosting article’s research question(s) ( n = 801,895 research articles).

As for Figure 1 but covering 2000–2018 ( n = 1,314,412 research articles). (All fields can be identified in the Excel versions of the graph within the online supplement 10.6084/m9.figshare.10274012).

If the terms “question” or “questions” are searched for instead, there are many more matches, although for a minority of articles in most fields ( Figures 3 and 4 ). When these terms are mentioned, they rarely (17%) refer to the hosting article’s research questions (excluding matches with the exact phrases “research question” or “research questions” to avoid overlaps with the previous figure). Common other contexts for these terms include questions in questionnaires and questions raised by the findings. Sometimes the term “question” occurred within an idiomatic phrase or issue rather than a query (e.g., “considerable temperature gradients occur within the materials in question” and “these effects may vary for different medications. Future studies are needed to address this important question”). In Philosophy & Theology, the matches could be for discussions of various questions within an article, rather than a research question that is an article’s focus. Similarly for Social Sciences and Public Health & Health Services, the question mentioned might be in questionnaires rather than being a research question. After correcting for the global irrelevant matches, which is a rough approximation, in all broad fields fewer than 14% of research articles use these terms to refer to research questions. Nevertheless, this implies that the terms “question” or “questions” are used much more often than the phrases “research question” or “research questions” (1.8%) to refer to an article’s research purposes.

The percentage of full-text research articles containing the terms “question” or “questions” in the body of the text, 2014–2018, for articles in the PMC Open Access collection from 17 out of 22 Science-Metrics broad fields; 17% of occurrences of these terms described the hosting article’s main research question(s) without using the exact phrases “research question” or “research questions,” not overlapping with Figure 1(a) ( n = 801,895 research articles).

As for Figure 3 , but covering 2000–2018 ( n = 1,314,412 research articles).

4.2. RQ3: Other Article Purpose Terms

The terms “hypothesis” and “hypotheses” are common in Psychology and Cognitive Science as well as in Biology ( Figure 5 ). They are used in a minority of articles in all other fields, but, by 2018 were used in at least 15% of all (or 4% after correcting for irrelevant matches). The terms can be used to discuss statistical results from other papers and in philosophy and mathematics they can be used to frame arguments, so not all matches relate to an article’s main purpose, and only 28% of the random sample checked used the terms to refer to the articles’ main hypothesis or hypotheses.

The percentage of full-text research articles containing the terms “hypothesis” or “hypotheses” in the body of the text, 2014–2018, for articles in the PMC Open Access collection from 17 out of 22 Science-Metrics broad fields; 28% of occurrences of these terms described the hosting article’s main hypothesis or hypotheses. A corresponding time series graph showing little change is in the online supplement ( n = 801,895 research articles).

The use of the terms “aim” and “aims” is increasing overall, possibly in all academic fields ( Figures 6 and 7 ). Fields frequently using the term include Philosophy & Theology, Information & Communication Technologies (ICTs) and Public Health & Health Services, whereas it is used in only about 20% of Chemistry and Biomedical Research papers. Articles using the terms mostly use them (especially the singular “aim”) to describe their main aim (70%), so these are the terms most commonly used to describe the purpose of a PMC full-text article. The terms are also sometimes used to refer to wider project aims or relevant aims outside of the project (e.g., “The EU’s biodiversity protection strategy aims to preserve…”).

The percentage of full-text research articles containing the terms “aim” or “aims” in the body of the text, 2014–2018, for articles in the PMC Open Access collection from 17 out of 22 Science-Metrics broad fields; 70% of occurrences of these terms described the hosting article’s main aim(s) ( n = 801,895 research articles).

As for Figure 6 , but covering 2000–2018 ( n = 1,314,412 research articles).

The terms “objective” and “objectives” are reasonably common in most academic fields ( Figure 8 ) and are used half of the time (52%) for the hosting article’s objectives. Other common uses include lenses and as an antonym of subjective (e.g., “high-frequency ultrasound allows an objective assessment…”). It is again popular within ICTs, Philosophy & Theology, and Public Health & Health Services, whereas it is used in only about 12% of Physics & Astronomy articles.

The percentage of full-text research articles containing the terms “objective” or “objectives” in the body of the text, 2014–2018, for articles in the PMC Open Access collection from 17 out of 22 Science-Metrics broad fields; 52% of occurrences of these terms described the hosting article’s objective(s). A corresponding time series graph showing little change is in the online supplement ( n = 801,895 research articles).

The terms “goal” and “goals” follow a similar pattern to “aim” and “objective” ( Figure 9 ), but refer to the hosting paper’s goals in only 28% of cases. Common other uses include methods goals (“the overall goal of this protocol is…”) and field-wide goals (e.g., “over the last decades, attempts to integrate ecological and evolutionary dynamics have been the goal of many studies”).

The percentage of full-text research articles containing the terms “goal” or “goals” in the body of the text, 2014–2018, for articles in the PMC Open Access collection from 17 out of 22 Science-Metrics broad fields; 28% of occurrences of these terms described the hosting article’s research question(s). A corresponding time series graph showing little change is in the online supplement ( n = 801,895 research articles).

Some articles may also use the terms “purpose” or “purposes” rather than the arguably more specific terms investigated above, and there are disciplinary differences in the extent to which they are used ( Figure 10 ). These terms may also be employed to explain or justify aspects of an article’s methods. When used, they referred to main purposes in fewer than a third of articles (29%), and were often instead used to discuss methods details (e.g., “it was decided a priori that physical examination measures would not be collected for the purpose of this audit”), background information (e.g., “species are harvested through fishing or hunting, mainly for alimentary purposes”) or ethics (e.g., “Animal care was carried out in compliance with Korean regulations regarding the protection of animals used for experimental and other scientific purposes.”).

The percentage of full-text research articles containing the terms “purpose” or “purposes” in the body of the text, 2014–2018, for articles in the PMC Open Access collection from 17 out of 22 Science-Metrics broad fields; 29% of occurrences of these terms described the hosting article’s purpose(s). A corresponding time series graph showing little change is in the online supplement ( n = 801,895 research articles).

4.3. RQ4: Journal Guidelines

“The motivation or purpose of your research should appear in the Introduction, where you state the questions you sought to answer” ( zookeys.pensoft.net/about )

“Define the purpose of the work and its significance, including specific hypotheses being tested” ( www.mdpi.com/journal/nutrients/instructions )

“The introduction briefly justifies the research and specifies the hypotheses to be tested” ( www.ajas.info/authors/authors.php )

“A brief outline of the question the study attempts to address” ( onlinelibrary.wiley.com/page/journal/20457758/homepage/registeredreports.html )

“Acquaint the reader with the findings of others in the field and with the problem or question that the investigation addresses.” ( www.oncotarget.com )

“State the research objective of the study, or hypothesis tested” ( www.springer.com/biomed/human+physiology/journal/11517 )

In the first quote above, for example, “state the questions” could be addressed literally by listing (research) questions or less literally by stating the research objectives. Thus, journal guidelines seem to leave authors the flexibility to choose how to state their research purpose, even if suggesting that research questions or hypotheses are used. This also applies to the influential American Psychological Society guidelines, such as, “In empirical studies, [explaining your approach to solving the problem] usually involves stating your hypotheses or specific question” ( APA, 2009 , p. 28).

An important limitation of the methods is that the sample contains a small and biased subset of all open access research articles. For example, the open access publishers BMC, Hindawi, and MDPI have large journals in the data set. The small fields ( Table 3 ) can have unstable lines in the graphs because of a lack of data. Sharp changes between years for the same field are likely due to either small amounts of data or changes in the journals submitted to PubMed in those years, rather than changes in field norms. It is possible that the proportions discovered would be different for other collections. Another limitation is that although articles were searched with the text string “research question,” this may not always have signified research questions in the articles processed (e.g., if mentioned in a literature review or in a phrase such as “this research questions whether”). Although the corrections reported address this, they provide global correction figures rather than field-specific corrections. Conversely, a research question may just be described as a question (e.g., “the query of this research”) or phrased as a question without describing it as such (e.g., “To discover whether PGA implants are immunologically inert…”). Thus, the field-level results are only indicative.

RQ1: Only 23,282 (1.8%, 1.1% after correcting for irrelevant matches) out of 1,314,412 articles assessed in the current paper explicitly mentioned “research question(s),” with significant differences between fields. Although there has been a general trend for the increasing use of explicitly named research questions, they were employed in fewer than a quarter of articles in all fields. Research questions were mostly used by articles in Social Sciences, Philosophy & Theology, and ICTs, whereas they have been mentioned by under 2% of articles in engineering, physical, life, and medical sciences. Previous studies have shown that 73.3% of English articles in Physical Education ( Omidi & Farnia, 2016 ), 33% of Applied Linguistics articles ( Sheldon, 2011 ) and 32% of Computer Science articles ( Shehzad, 2011 ) included research questions or hypotheses. Studies focused on doctoral dissertations show that 97% of U.S. Applied Linguistics ( Lim, 2014 ), 90% of English Language Teaching ( Geçíklí, 2013 ), 70% of Education Management ( Cheung, 2012 ), and 50% of computing doctoral dissertations ( Soler-Monreal, Carbonell-Olivares, & Gil-Salom, 2011 ) listed research questions, a large difference.

The results also show that about 13% of Public Health and Health Services articles and 12% of Psychology and Cognitive Science articles use the term “research questions.” However, a study focused on Educational Psychology found that 35% of English-language papers listed research questions and 75% listed hypotheses ( Loi & Evans, 2010 ). Thus, the current results reveal a substantially lower overall prevalence than suggested by previous research.

RQ2: There has been a substantial increase in the use of the term “research questions” in some subjects, including ICTs, Social Sciences, and Public Health and Health Services ( Figure 2 ), as well as a general trend for increasing use of this term, but with most fields still rarely using it. This suggests that some disciplines are standardizing their terminology, either through author guidelines in journals (RQ4), formal training aided by frameworks such as Swales’ CARS model, or informal training or imitation. For example, the analysis of the “instructions for authors” given by 51 journals (online supplement doi.org/10.6084/m9.figshare.10274012 ) showed that the three biology journals, the three psychology journals, and two biomedical journals included in the analysis referred to both research questions and hypotheses in their author guidelines.

RQ3: Terminology for the purpose of an article seems to be quite widely used, including aims, objectives, and goals ( Figures 5 – 9 ). This is in line with a study examining the lexical bundles identified in research article introductions from several disciplines, which reported the terms “aim,” “objective,” and “purpose” as the main terms used to announce the research descriptively and/or purposefully, although no phrase related to research questions or hypotheses was identified ( Cortés, 2013 ), and with another study reporting similar terminology in medical articles ( Jalali & Moini, 2014 ). Related to this (RQ4), the analysis of the “instructions for authors” given by 51 journals (online supplement 10.6084/m9.figshare.10274012) showed that “purpose” is the term mostly mentioned in the Abstract guidelines and “aims” is the term mainly used in the body of the text (Introduction or Background) guidelines. The term “objective” also appears in some article body guidelines, whereas the term “goal” is not mentioned in them. After correcting for irrelevant matches (e.g., articles using the term “hypothesis” but not for their main research hypotheses) using the percentages reported with the figures above, no terminology was found in a majority of articles in any field. Thus, at least from the perspective of PMC Open Access publications, there is no standardization of research terminology in any broad field.

There are substantial disciplinary differences in the terminology used. Whereas the term “research question” is relevant in Social Sciences, Philosophy & Theology, and ICTs, the term “hypothesis” is important in Psychology and Cognitive Science, used in over 60% of articles. This is in line with a study focused on Educational Psychology, which found that the 75% out of 20 English papers introduced the hypotheses, whereas 35% of them introduced the research questions ( Loi & Evans, 2010 ). The three psychology journals with the highest frequency in the data set used for this study referred to hypotheses in their author guidelines (see online supplement 10.6084/m9.figshare.10274012).

The terms “aim,” “objective,” and “goal” are mainly used in Philosophy, Theology, ICTs, and Health. The term “aim” is also quite often used in health, mathematics, and psychological articles, whereas the term “objective” is also used in engineering and mathematics articles. The term “goal” is also used in psychology and biomedical articles. Although most articles in all fields include a term that could be used to specify the purpose of an article (question or questions, hypothesis, aim, objective, goal), they are relatively scarce in Chemistry and Physics & Astronomy. The use of purpose-related terms has also increased over time in most academic fields. This agrees with a study about Computer Science research articles that found an increasing use of outlining purpose or stating the nature of the research ( Shehzad, 2011 ).

An example article from Chemistry illustrates how a research purpose can be implicit. The paper, “Fluid catalytic cracking in a rotating fluidized bed in a static geometry: a CFD analysis accounting for the distribution of the catalyst coke content” has a purpose that is clear from its title but that is not described explicitly in the text. Its abstract starts by describing what the paper offers, but not why, “Computational Fluid Dynamics is used to evaluate the use of a rotating fluidized bed in a static geometry for the catalytic cracking of gas oil.” The first sentence of the last paragraph of the introduction performs a similar role, “The current paper presents CFD simulations of FCC in a RFB-SG using a model that accounts for a possible nonuniform temperature and catalyst coke content distribution in the reactor.” Both sentences could easily be rephrased to start with, “The purpose of this paper is to,” but it is apparently a stylistic feature of chemical research not to do this. Presumably purposes are clear enough in typical chemistry research that they do not need to be flagged linguistically, but this is untrue for much social science and health research, for example, partly due to nonstandard goals (i.e., task uncertainty: Whitley, 2000 ).

5.1. Possible Origins of the Differences Found

Broad epistemological: Fields work with knowledge in different ways and naturally use different terminology as a result. Arts and humanities research may have the goal to critique or analyze, or may be practice-based research rather than having a more specific knowledge purpose. For this, research questions would be inappropriate. Thus, terminology variation may partly reflect the extent to which a broad field typically attempts to create knowledge.

Narrow epistemological: Narrow fields that address similar problems may feel that they do not need to use research problem terminology to describe their work because the purpose of a paper is usually transparent from the description of the methods or outcome. For example, it would be unnecessary to formulate, “This paper investigates whether treatment x reduces death rates from disease y” as a named research question or even explain that it is the goal of a paper. This may also be relevant for fields that write short papers. It may be most relevant for papers that use statistical methods and have high standards of evidence requirement (e.g., medicine) and clearly defined problems. In contrast, many social sciences research projects are not intrinsically clearly demarcated and need an explanation to define the problem (as for the current article). Thus, describing what the problem is can be an important and nontrivial part of the research. This relates to “task uncertainty,” which varies substantially between fields ( Whitley, 2000 ) and affects scholarly communication ( Fry, 2006 ).

Field or audience homogeneity: Fields with homogeneous levels and types of expertise may avoid terminology that field members would be able to deduce from the context. For example, a mixed audience paper might need to specify statistical hypotheses, whereas a narrow audience paper might only need to specify the result, because the audience would understand the implicit null and alternative hypotheses.

Field cultures for term choice: Academic publishing relies to some extent on imitation and reaching a consensus about the ways in which research is presented (e.g., Becher & Trowler, 2001 ). It might therefore become a field norm to use one term in preference to a range of synonyms, such as “aims” instead of “objectives.”

Field cultures for term meaning: Following from the above, a field culture may evolve an informal convention that two synonyms have different specific uses. For example, “aims” could be used for wider goals and “objectives” for the narrower goals of a paper.

Guidelines: Fields or their core journals may adopt guidelines that specify terminology, presumably because they believe that this standardization will improve overall communication clarity.

The results suggest that the explicit use of research questions, in the sense that they are named as such, is almost completely absent in some research fields, and they are at best a substantial minority (under 20%) in most others (ignoring the fields that did not meet the inclusion threshold). Although the word search approach does not give conclusive findings, the results suggest that alternative terminologies for describing the purpose of a paper are more widespread in some fields, but no single terminology is used to describe research purposes in a majority of articles in any of the broad fields examined.

The lack of standardization for purpose terminology in most or all fields may cause problems for reviewers and readers expecting to see explicit statements. It is not clear whether guidelines to standardize terminology for journals or fields would be practical or helpful, however, but this should be explored in the future. Presumably any guidelines should allow exceptions for articles that make nonstandard contributions, although there are already successful journals with prescriptive guidelines, and the advantage of standardization through structured abstracts seems to be accepted ( Hartley, 2004 ).

The disciplinary differences found may cause problems for referees, authors, editors, and readers of interdisciplinary research or research from outside of their natural field if they fail to find an article’s purpose expressed in the terminology that they expect. This issue could not reasonably be resolved by standardizing across science because of the differing nature of research. Instead, evidence in the current article of the existence of valid disciplinary differences in style may help reviewers and editors of large interdisciplinary journals to accept stylistic differences in research problem formulations.

Mike Thelwall: Conceptualization, Investigation, Software, Writing—original draft. Amalia Mas-Bleda: Investigation, Writing—original draft.

The authors have no competing interests to declare.

This research received no funding.

The data behind the results are available at FigShare ( https://doi.org/10.6084/m9.figshare.10274012 ).

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Identifying your research question

Making informed decisions about what to study, and defining your research question, even within a predetermined field, is critical to a successful research career, and can be one of the hardest challenges for a scientist.

Being knowledgeable about the state of your field and up-to-date with recent developments can help you:

• Make decisions about  what to study within niche research areas
• Identify  top researchers  in your field whose work you can follow and potentially collaborate with
• Find  important journals to read regularly and publish in
• Explain to others  why your work is important by being able to recount the bigger picture

How can you identify a research question?

Reading regularly is the most common way of identifying a good research question. This enables you to keep up to date with recent advancements and identify certain issues or unsolved problems that keep appearing.

Begin by searching for and reading literature in your field. Start with  general interest  journals, but don’t limit yourself to journal publications only; you can also look for clues in the news or on research blogs. Once you have identified a few interesting topics, you should be reading the table of contents of journals and the abstracts of most articles in that subject area. Papers that are directly related to your research you should read in their entirety.

TIP Keep an eye out for  Review papers and special issues in your chosen subject area as they are very helpful in discovering new areas and hot topics.

TIP: you can sign up to receive table of contents or notifications when articles are published in your field from most journals or publishers.

TIP: Joining a journal club is a great way to read and dissect published papers in and around your subject area. Usually consisting of 5-10 people from the same research group or institute they meet to evaluate the good and bad points of the research presented in the paper. This not only helps you keep up to date with the field but helps you become familiar with what is necessary for a good paper which can help when you come to write your own.

If possible, communicate with some of the authors of these manuscripts via email or in person. Going to conferences if possible is a great way to meet some of these authors. Often,  talking with the author  of an important work in your research area will give you more ideas than just reading the manuscript would.

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Why the research question is so important

04/05/2018 at 5:42 am

A research question is a sentence that defines what you will examine, within which population, and what the outcome of interest will be. Defining a clear research question is the first and most important part of the project. Though it sounds simple, writing a research question is tricky even for experienced researchers. This video will build your understanding of where to start looking for research questions, how to write them, and why it is important to work with a solid research question from the beginning of the project.

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Links to useful research papers.

Farrugia P, Petrisor BA, Farrokhyar F, Bhandari M. Research questions, hypotheses and objectives. Canadian Journal of Surgery. 2010;53(4):278-281. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2912019/

Aslam, S., & Emmanuel, P. (2010). Formulating a researchable question: A critical step for facilitating good clinical research. Indian J Sex Transm Dis, 31(1), 47-50. https://www.ncbi.nlm.nih.gov/pubmed/21808439

Beitz, J. M. (2006). Writing the researchable question. J Wound Ostomy Continence Nurs, 33(2), 122-124. https://www.ncbi.nlm.nih.gov/pubmed/16572009

Links to useful websites

Centre for Clinical Effectivenbess

http://www.monashhealth.org/page/Resources

Centre for Evidence Based Medicine

https://www.cebm.net/category/ebm-resources/tools/

Libraries in SWSLHD

https://www.swslhd.health.nsw.gov.au/liverpool/library/default.html

https://www.swslhd.health.nsw.gov.au/ccq/library/

https://www.swslhd.health.nsw.gov.au/Fairfield/library/

https://www.swslhd.health.nsw.gov.au/bankstown/library/

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• v.53(4); 2010 Aug

Research questions, hypotheses and objectives

Patricia farrugia.

* Michael G. DeGroote School of Medicine, the

Bradley A. Petrisor

† Division of Orthopaedic Surgery and the

Forough Farrokhyar

‡ Departments of Surgery and

§ Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ont

Mohit Bhandari

There is an increasing familiarity with the principles of evidence-based medicine in the surgical community. As surgeons become more aware of the hierarchy of evidence, grades of recommendations and the principles of critical appraisal, they develop an increasing familiarity with research design. Surgeons and clinicians are looking more and more to the literature and clinical trials to guide their practice; as such, it is becoming a responsibility of the clinical research community to attempt to answer questions that are not only well thought out but also clinically relevant. The development of the research question, including a supportive hypothesis and objectives, is a necessary key step in producing clinically relevant results to be used in evidence-based practice. A well-defined and specific research question is more likely to help guide us in making decisions about study design and population and subsequently what data will be collected and analyzed. 1

Objectives of this article

In this article, we discuss important considerations in the development of a research question and hypothesis and in defining objectives for research. By the end of this article, the reader will be able to appreciate the significance of constructing a good research question and developing hypotheses and research objectives for the successful design of a research study. The following article is divided into 3 sections: research question, research hypothesis and research objectives.

Research question

Interest in a particular topic usually begins the research process, but it is the familiarity with the subject that helps define an appropriate research question for a study. 1 Questions then arise out of a perceived knowledge deficit within a subject area or field of study. 2 Indeed, Haynes suggests that it is important to know “where the boundary between current knowledge and ignorance lies.” 1 The challenge in developing an appropriate research question is in determining which clinical uncertainties could or should be studied and also rationalizing the need for their investigation.

Increasing one’s knowledge about the subject of interest can be accomplished in many ways. Appropriate methods include systematically searching the literature, in-depth interviews and focus groups with patients (and proxies) and interviews with experts in the field. In addition, awareness of current trends and technological advances can assist with the development of research questions. 2 It is imperative to understand what has been studied about a topic to date in order to further the knowledge that has been previously gathered on a topic. Indeed, some granting institutions (e.g., Canadian Institute for Health Research) encourage applicants to conduct a systematic review of the available evidence if a recent review does not already exist and preferably a pilot or feasibility study before applying for a grant for a full trial.

In-depth knowledge about a subject may generate a number of questions. It then becomes necessary to ask whether these questions can be answered through one study or if more than one study needed. 1 Additional research questions can be developed, but several basic principles should be taken into consideration. 1 All questions, primary and secondary, should be developed at the beginning and planning stages of a study. Any additional questions should never compromise the primary question because it is the primary research question that forms the basis of the hypothesis and study objectives. It must be kept in mind that within the scope of one study, the presence of a number of research questions will affect and potentially increase the complexity of both the study design and subsequent statistical analyses, not to mention the actual feasibility of answering every question. 1 A sensible strategy is to establish a single primary research question around which to focus the study plan. 3 In a study, the primary research question should be clearly stated at the end of the introduction of the grant proposal, and it usually specifies the population to be studied, the intervention to be implemented and other circumstantial factors. 4

Hulley and colleagues 2 have suggested the use of the FINER criteria in the development of a good research question ( Box 1 ). The FINER criteria highlight useful points that may increase the chances of developing a successful research project. A good research question should specify the population of interest, be of interest to the scientific community and potentially to the public, have clinical relevance and further current knowledge in the field (and of course be compliant with the standards of ethical boards and national research standards).

FINER criteria for a good research question

Adapted with permission from Wolters Kluwer Health. 2

Whereas the FINER criteria outline the important aspects of the question in general, a useful format to use in the development of a specific research question is the PICO format — consider the population (P) of interest, the intervention (I) being studied, the comparison (C) group (or to what is the intervention being compared) and the outcome of interest (O). 3 , 5 , 6 Often timing (T) is added to PICO ( Box 2 ) — that is, “Over what time frame will the study take place?” 1 The PICOT approach helps generate a question that aids in constructing the framework of the study and subsequently in protocol development by alluding to the inclusion and exclusion criteria and identifying the groups of patients to be included. Knowing the specific population of interest, intervention (and comparator) and outcome of interest may also help the researcher identify an appropriate outcome measurement tool. 7 The more defined the population of interest, and thus the more stringent the inclusion and exclusion criteria, the greater the effect on the interpretation and subsequent applicability and generalizability of the research findings. 1 , 2 A restricted study population (and exclusion criteria) may limit bias and increase the internal validity of the study; however, this approach will limit external validity of the study and, thus, the generalizability of the findings to the practical clinical setting. Conversely, a broadly defined study population and inclusion criteria may be representative of practical clinical practice but may increase bias and reduce the internal validity of the study.

PICOT criteria 1

A poorly devised research question may affect the choice of study design, potentially lead to futile situations and, thus, hamper the chance of determining anything of clinical significance, which will then affect the potential for publication. Without devoting appropriate resources to developing the research question, the quality of the study and subsequent results may be compromised. During the initial stages of any research study, it is therefore imperative to formulate a research question that is both clinically relevant and answerable.

Research hypothesis

The primary research question should be driven by the hypothesis rather than the data. 1 , 2 That is, the research question and hypothesis should be developed before the start of the study. This sounds intuitive; however, if we take, for example, a database of information, it is potentially possible to perform multiple statistical comparisons of groups within the database to find a statistically significant association. This could then lead one to work backward from the data and develop the “question.” This is counterintuitive to the process because the question is asked specifically to then find the answer, thus collecting data along the way (i.e., in a prospective manner). Multiple statistical testing of associations from data previously collected could potentially lead to spuriously positive findings of association through chance alone. 2 Therefore, a good hypothesis must be based on a good research question at the start of a trial and, indeed, drive data collection for the study.

The research or clinical hypothesis is developed from the research question and then the main elements of the study — sampling strategy, intervention (if applicable), comparison and outcome variables — are summarized in a form that establishes the basis for testing, statistical and ultimately clinical significance. 3 For example, in a research study comparing computer-assisted acetabular component insertion versus freehand acetabular component placement in patients in need of total hip arthroplasty, the experimental group would be computer-assisted insertion and the control/conventional group would be free-hand placement. The investigative team would first state a research hypothesis. This could be expressed as a single outcome (e.g., computer-assisted acetabular component placement leads to improved functional outcome) or potentially as a complex/composite outcome; that is, more than one outcome (e.g., computer-assisted acetabular component placement leads to both improved radiographic cup placement and improved functional outcome).

However, when formally testing statistical significance, the hypothesis should be stated as a “null” hypothesis. 2 The purpose of hypothesis testing is to make an inference about the population of interest on the basis of a random sample taken from that population. The null hypothesis for the preceding research hypothesis then would be that there is no difference in mean functional outcome between the computer-assisted insertion and free-hand placement techniques. After forming the null hypothesis, the researchers would form an alternate hypothesis stating the nature of the difference, if it should appear. The alternate hypothesis would be that there is a difference in mean functional outcome between these techniques. At the end of the study, the null hypothesis is then tested statistically. If the findings of the study are not statistically significant (i.e., there is no difference in functional outcome between the groups in a statistical sense), we cannot reject the null hypothesis, whereas if the findings were significant, we can reject the null hypothesis and accept the alternate hypothesis (i.e., there is a difference in mean functional outcome between the study groups), errors in testing notwithstanding. In other words, hypothesis testing confirms or refutes the statement that the observed findings did not occur by chance alone but rather occurred because there was a true difference in outcomes between these surgical procedures. The concept of statistical hypothesis testing is complex, and the details are beyond the scope of this article.

Another important concept inherent in hypothesis testing is whether the hypotheses will be 1-sided or 2-sided. A 2-sided hypothesis states that there is a difference between the experimental group and the control group, but it does not specify in advance the expected direction of the difference. For example, we asked whether there is there an improvement in outcomes with computer-assisted surgery or whether the outcomes worse with computer-assisted surgery. We presented a 2-sided test in the above example because we did not specify the direction of the difference. A 1-sided hypothesis states a specific direction (e.g., there is an improvement in outcomes with computer-assisted surgery). A 2-sided hypothesis should be used unless there is a good justification for using a 1-sided hypothesis. As Bland and Atlman 8 stated, “One-sided hypothesis testing should never be used as a device to make a conventionally nonsignificant difference significant.”

The research hypothesis should be stated at the beginning of the study to guide the objectives for research. Whereas the investigators may state the hypothesis as being 1-sided (there is an improvement with treatment), the study and investigators must adhere to the concept of clinical equipoise. According to this principle, a clinical (or surgical) trial is ethical only if the expert community is uncertain about the relative therapeutic merits of the experimental and control groups being evaluated. 9 It means there must exist an honest and professional disagreement among expert clinicians about the preferred treatment. 9

Designing a research hypothesis is supported by a good research question and will influence the type of research design for the study. Acting on the principles of appropriate hypothesis development, the study can then confidently proceed to the development of the research objective.

Research objective

The primary objective should be coupled with the hypothesis of the study. Study objectives define the specific aims of the study and should be clearly stated in the introduction of the research protocol. 7 From our previous example and using the investigative hypothesis that there is a difference in functional outcomes between computer-assisted acetabular component placement and free-hand placement, the primary objective can be stated as follows: this study will compare the functional outcomes of computer-assisted acetabular component insertion versus free-hand placement in patients undergoing total hip arthroplasty. Note that the study objective is an active statement about how the study is going to answer the specific research question. Objectives can (and often do) state exactly which outcome measures are going to be used within their statements. They are important because they not only help guide the development of the protocol and design of study but also play a role in sample size calculations and determining the power of the study. 7 These concepts will be discussed in other articles in this series.

From the surgeon’s point of view, it is important for the study objectives to be focused on outcomes that are important to patients and clinically relevant. For example, the most methodologically sound randomized controlled trial comparing 2 techniques of distal radial fixation would have little or no clinical impact if the primary objective was to determine the effect of treatment A as compared to treatment B on intraoperative fluoroscopy time. However, if the objective was to determine the effect of treatment A as compared to treatment B on patient functional outcome at 1 year, this would have a much more significant impact on clinical decision-making. Second, more meaningful surgeon–patient discussions could ensue, incorporating patient values and preferences with the results from this study. 6 , 7 It is the precise objective and what the investigator is trying to measure that is of clinical relevance in the practical setting.

The following is an example from the literature about the relation between the research question, hypothesis and study objectives:

Study: Warden SJ, Metcalf BR, Kiss ZS, et al. Low-intensity pulsed ultrasound for chronic patellar tendinopathy: a randomized, double-blind, placebo-controlled trial. Rheumatology 2008;47:467–71.

Research question: How does low-intensity pulsed ultrasound (LIPUS) compare with a placebo device in managing the symptoms of skeletally mature patients with patellar tendinopathy?

Research hypothesis: Pain levels are reduced in patients who receive daily active-LIPUS (treatment) for 12 weeks compared with individuals who receive inactive-LIPUS (placebo).

Objective: To investigate the clinical efficacy of LIPUS in the management of patellar tendinopathy symptoms.

The development of the research question is the most important aspect of a research project. A research project can fail if the objectives and hypothesis are poorly focused and underdeveloped. Useful tips for surgical researchers are provided in Box 3 . Designing and developing an appropriate and relevant research question, hypothesis and objectives can be a difficult task. The critical appraisal of the research question used in a study is vital to the application of the findings to clinical practice. Focusing resources, time and dedication to these 3 very important tasks will help to guide a successful research project, influence interpretation of the results and affect future publication efforts.

Tips for developing research questions, hypotheses and objectives for research studies

• Perform a systematic literature review (if one has not been done) to increase knowledge and familiarity with the topic and to assist with research development.
• Learn about current trends and technological advances on the topic.
• Seek careful input from experts, mentors, colleagues and collaborators to refine your research question as this will aid in developing the research question and guide the research study.
• Use the FINER criteria in the development of the research question.
• Ensure that the research question follows PICOT format.
• Develop a research hypothesis from the research question.
• Develop clear and well-defined primary and secondary (if needed) objectives.
• Ensure that the research question and objectives are answerable, feasible and clinically relevant.

FINER = feasible, interesting, novel, ethical, relevant; PICOT = population (patients), intervention (for intervention studies only), comparison group, outcome of interest, time.

Competing interests: No funding was received in preparation of this paper. Dr. Bhandari was funded, in part, by a Canada Research Chair, McMaster University.

Alfalfa: Flexible amid drought and high in protein

Field day offers insight into latest research.

• by Trina Kleist
• May 15, 2024

As growers face continued reductions in water available to irrigate crops, and while the world needs more food produced and more protein in particular, alfalfa offers an attractive option. It yields remarkedly well under  reduced irrigation, and its protein can be consumed by both animals and people.

Researchers are working to answer questions and solve obstacles that remain to its wider use, visitors learned at the UC Davis Small Grains/Alfalfa Field Day held May 9. A range of topics were covered:

Producing protein directly from alfalfa

“Alfalfa is the highest-protein-producing crop in the United States on a per-acre basis,” said Dan Putnam, an alfalfa expert and professor emeritus of Cooperative Extension in the Department of Plant Sciences. “However, this protein is primarily leaf protein, compared with the protein produced in grain crops, which is easier to handle. Questions remain: Can we extract protein directly from alfalfa for human consumption as well as for animals other than cows?”

Many factors affect alfalfa’s yield and protein availability, including when it’s planted and harvested, the type of soil and when water is applied. The availability of the plant’s protein depends on who is eating it (cows have an easier time), how it’s harvested and handled and, for people, the protein extraction process. 

 In this research at UC Davis, researchers have planted six varieties of alfalfa to see how fall dormancy affects yield and the potential to extract protein.  Samples were collected throughout 2023 and again in 2024. Scientists looked at different harvest times (from immature to more mature growth) and their effect on crude, true and soluble protein after immediate drying or liquid extraction.  

Breeding addresses barriers to yield

Charlie Brummer and team explained the objectives of their plant breeding activities for alfalfa. They are experimenting with 10 varieties for potential release, with trials over several years in various locations. “The big issue has been lack of yield improvement… Why is that?” Brummer said.

Cree King discussed the on-going research to understand the basis of yield. Studies look at deficit irrigation, persistence, salinity tolerance, pest and disease resistance, plus genetic analysis to understand the basis of yield. Details are in  this hand-out . King is a graduate student working with Brummer , a professor and alfalfa breeding expert, and Grey Monroe , an assistant professor with a focus on climate adaptation

Resilience to drought  

While alfalfa is remarkedly resilient in times of drought, researchers are examining how different cultivars and breeding lines might respond when water is severely limited. Charles Janssen described his research to develop alfalfa with greater resilience amid highly variable water supplies. The goal is both to maximize yield under reduced water applications and to assure long-term root survival, so a drought-stricken plant can revive when water becomes available again. Details of the trials are in this hand-out . Janssen is a first-year graduate student working with Brummer and Putnam.

“We’re going have to continue to grow alfalfa under water-variable conditions,” Putnam added. He noted the severe to exceptional drought that has affected up to half of alfalfa-growing areas nationally in the past 12 years.

Yet, when partially irrigated, alfalfa still can produce good yields. That makes it a viable alternative to leaving the land fallow when water is scanty. Putnam discussed four key strategies for irrigating alfalfa amid drought, detailed in  this hand-out .

Almond shells improve water infiltration 

Sarah Light explained the benefits of putting almond shells on alfalfa fields: Unlike almond hulls, which are fed to dairy cows, almond shells are very high in carbon. They could improve soil carbon and soil health when applied to alfalfa fields, in addition to acting as mulch to conserve water.

In her research on farmer’s fields, Light found that yields did not differ between plots where the shells were applied and control areas with no shells.  However, water infiltration improved in the plots with shells, and there was some indication of improved soil quality.   

Light is a UC Cooperative Extension farm advisor in Sutter and Yuba counties. This field research was sponsored by UC Davis and UCCE Agriculture and Natural Resources; and funded by USDA-NIFA, the Alfalfa Checkoff program of the National Alfalfa and Forage Alliance, the California Alfalfa & Forage Association and donations by companies and individuals.  

More resources

Get hand-outs from Small Grains/Alfalfa Field Day  here .

Get more from the UC Alfalfa Research and Information Center  here .

Media Resources

• Trina Kleist, UC Davis Department of Plant Sciences, [email protected], (530) 754-6148 or (530) 601-6846

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