disadvantages of case study in sociology

Case Study: Types, Advantages And Disadvantages

  Case Study: Types, Advantages And Disadvantages 

Case study is both method and tool for research. Case study is the intensive study of a phenomenon, but it gives subjective information rather than objective. It gives detailed knowledge about the phenomena and is not able to generalize beyond the knowledge.

Case studies aim to analyze specific issues within the boundaries of a specific environment, situation or organization. According to its design, case study research method can be divided into three categories: explanatory, descriptive and exploratory.

Explanatory case studies aim to answer ‘how’ or ‘why’ questions with little control on behalf of the researcher over occurrence of events. This type of case study focuses on phenomena within the contexts of real-life situations.

Descriptive case studies aim to analyze the sequence of interpersonal events after a certain amount of time has passed. Case studies belonging to this category usually describe culture or sub-culture, and they attempt to discover the key phenomena.

Exploratory case studies aim to find answers to the questions of ‘what’ or ‘who’. Exploratory case study data collection method is often accompanied by additional data collection method(s) such as interviews, questionnaires, experiments etc.

DEFINITION OF CASE STUDY

The case study or case history method is not a newer thing, but it is a linear descendent of very ancient methods of sociological description and generalization namely, the ‘parable’, the ‘allegory’, the ‘story’ and the ‘novel’.

According to P.V. Young . “A fairly exhaustive study of a person or group is called a life of case history.”

Thus, the case study is more intensive in nature; the field of study is comparatively limited but has more depth in it.

TYPES OF CASE STUDY

Six types of case studies are conducted which are as follows:

Community Studies: The community study is a careful description and analysis of a group of people living together in a particular geographic location in a corporative way. The community study deals with such elements of the community as location, appearance, prevailing economic activity, climate and natural sources, historical development, how the people live, the social structure, goals and life values, an evaluation of the social institutions within the community that meet the human needs etc. Such studies are case studies, with the community serving as the case under investigation.

Casual Comparative Studies: Another type of study seeks to find the answers to the problems through the analysis of casual relationships. What factors seem to be associated with certain occurrences, conditions or types of behaviour? By the methodology of descriptive research, the relative importance of these factors may be investigated.

Activity Analysis: The analysis of the activities or processes that an individual is called upon to perform is important, both in industry and in various types of social agencies. This process of analysis is appropriate in any field of work and at all levels of responsibility. In social system, the roles of superintendent, the principal, the teacher and the custodian have been carefully analyzed to discover what these individuals do and need to be able to do.

Content or Document Analysis: Content analysis, sometimes known as document analysis. Deals with the systematic examination of current records or documents as sources of data. In documentary analysis, the following may be used as sources of data: official records and reports, printed forms, text-books, reference books, letters, autobiographies diaries, pictures, films and cartoons etc . But in using documentary sources, one must bear in mind the fact that data appearing in print is not necessarily trustworthy. This content or document analysis should serve a useful purpose in research, adding important knowledge to a field to study or yielding information that is helpful in evaluating and improving social or educational practices.

A Follow-up Study: A follow-up study investigates individuals who have left an institution after having completed programme, a treatment or a course of study, to know what has been the impact of the institutions and its programme upon them. By examining their status or seeking their opinions, one may get some idea of the adequacy or inadequacy of the institutes programme. Studies of this type enable an institution to evaluate various aspects of its programme in the light of actual results.

Trend Studies: The trend or predictive study is an interesting application of the descriptive method. In essence, it is based upon a longitudinal consideration of recorded data, indicating what has been happening in the past, what does the present situation reveal and on the basis of these data, what will be likely to happen in the future.

Whatever type of case study is to conduct, it’s important to first identify the purpose, goals, and approach for conducting methodologically sound research.

ADVANTAGES OF CASE STUDY

The main points of advantages of case study are given below:

Formation of valid hypothesis: Case study helps in formulating valid hypothesis. Once the various cases are extensively studied and analyze, the researcher can deduce various generalizations, which may be developed into useful hypotheses. It is admitted by all that the study of relevant literature and case study form the only potent sources of hypothesis.

  Useful in framing questionnaires and schedules: Case study is of great help in framing questionnaires, schedules or other forms. When a questionnaire is prepared after thorough case study the peculiarities of the group as well as individual units, become known also the type of response likely to be available, liking and aversions of the people. This helps in getting prompt response.

Sampling: Case study is of help in the stratification of the sample. By studying the individual units the researcher can put them in definite classes or types and thereby facilitate the perfect stratification of the sample.

Location of deviant cases: The case study makes it possible to locate deviant cases. There exists a general tendency to ignore them, but for scientific analysis, they are very important. The analysis of such cases is of valuable help in clarifying the theory itself.

Study of process: In cases where the problem under study constitutes a process and not one incident e.g. courtship process, clique formation etc., case study is the appropriate method as the case data is essential for valid study of such problems.

Enlarges experience: The range of personal experience of the researcher is enlarged by the case study on the other hand in statistical methods a narrow range of topics is selected, and the researcher’s knowledge is restricted to the particular aspect only.

Qualitative analysis in actual situation: Case study enables the establishment of the significance of the recorded data when the individual is alive and later on within the life of the classes of individuals. The researcher has the opportunity to come into contact with different classes of people and he is in a position to watch their life and hear their experiences. This provides him with an opportunity to acquire experiences of such life situations which he is never expected to lead.

This discussion highlights the advantages of the case data in social research. Social scientists developed the techniques to make it more perfect and remove the chances of bias.

LIMITATIONS/DISADVANTAGES OF CASE STUDY METHOD

Subjective bias: Research subjectivity in collecting data for supporting or refuting a particular explanation, personal view of investigation influences the findings and conclusion of the study.

Problem of objectivity: Due to excessive association with the social unit under investigation the researcher may develop self-justificatory data which are far from being factual.

Difficulty in comparison: Because of wide variations among human beings in terms of their response and behaviour, attitudes and values, social setting and circumstances, etc., the researcher actually finds it difficult to trace out two social units which are identical in all respects. This hinders proper comparison of cases.

A time, energy and money consuming method: The preparation of a case history involves a lot of time and expenditure of human energy, therefore, there is every possibility that most of the cases may get stray. Due to such difficulties, only a few researchers can afford to case study method.

Time span: Long time span may be another factor that is likely to distort the information provided by the social unit to the researcher.

Unreliable source material: The two major sources of case study are: Personal documents and life history. But in both these cases, the records or the own experience of the social units may not present a true picture. On the contrary, the social unit may try to suppress his unpleasant facts or add colour to them. As a result, the conclusions drawn do not give a true picture and dependable findings.

Scope for wrong conclusions: The case study is laden with inaccurate observation, wrong inferences, faulty reporting, memory failure, repression or omission of unpleasant facts in an unconscious manner, dramatization of facts, more imaginary description, and difficulty in choosing a case typical of the group. All these problems provide the researcher with every possibility of drawing wrong conclusions and errors.

Case studies are complex because they generally involve multiple sources of data, may include multiple cases within a study and produce large amounts of data for analysis. Researchers from many disciplines use the case study method to build upon theory, to produce new theory, to dispute or challenge theory, to explain a situation, to provide a basis to apply solutions to situations, to explore, or to describe an object or phenomenon. The advantages of the case study method are its applicability to real-life, contemporary, human situations and its public accessibility through written reports. Case study results relate directly to the common readers everyday experience and facilitate an understanding of complex real-life situations.

__________________________________________________________________________

Research Methodology Methods and Techniques~C. R. Kothari (p.113) - Link

Fundamental of Research Methodology and Statistics~Yogesh Kumar Singh (Chapter–10: Case Study Method p. 147) - Link

Social Research Methods: Qualitative and Quantitative Approaches~W. Lawrence Neuman (p.42) - Link

The Basics of Social Research~Earl Babbie (p.280) - Link

Social Science Research Principles, Methods, and Practices~Anol Bhattacherjee (93) - Link

PREPARING A CASE STUDY: A Guide for Designing and Conducting a Case Study for Evaluation Input - Link

A Case in Case Study Methodology - Link

Case Study Method - Link1 & Link 2

Unit-4 Case Study - Link

Case study as a research method - Link

Case_Study~Tanya Sammut-Bonnici and John McGee - Link

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This chapter reviews the strengths and limitations of case study as a research method in social sciences. It provides an account of an evidence base to justify why a case study is best suitable for some research questions and why not for some other research questions. Case study designing around the research context, defining the structure and modality, conducting the study, collecting the data through triangulation mode, analysing the data, and interpreting the data and theory building at the end give a holistic view of it. In addition, the chapter also focuses on the types of case study and when and where to use case study as a research method in social science research.

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Understanding the Case Study Method in Sociology

In the field of sociology, researchers employ various methods to study and understand social phenomena. One such method is the case study. A case study is an in-depth investigation of a particular individual, group, or event, aiming to provide a comprehensive understanding of the subject matter. In this article, we will outline and explain the case study method in sociology and its significance in social research.

Defining the Case Study Method

The case study method involves the detailed examination of a single case or a small number of cases. It is a qualitative research method that focuses on understanding the complexities and intricacies of a particular social phenomenon. Researchers using the case study method collect and analyze a wide range of data, including interviews, observations, documents, and artifacts, to gain a holistic understanding of the case under investigation.

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Case studies can be conducted in various social contexts, such as educational institutions, communities, organizations, or even entire societies. The subjects of study can be individuals, groups, or events that are considered representative or unique in some way.

Purposes of Case Studies in Sociology

Case studies serve several purposes in sociological research:

1. Exploratory Purposes

Case studies can be used to explore new or emerging social phenomena that have not been extensively studied before. By conducting in-depth investigations, researchers can generate new insights and theories about the subject matter.

2. Descriptive Purposes

Case studies can provide rich and detailed descriptions of specific social situations or events. They allow researchers to capture the complexity and uniqueness of a case, providing a comprehensive account of the social dynamics at play.

3. Explanatory Purposes

Case studies can help researchers understand the underlying causes and mechanisms behind social phenomena. By analyzing various aspects of a case, researchers can identify patterns, relationships, and factors that contribute to the observed outcomes.

4. Theory Testing and Development

Case studies can be used to test existing sociological theories or develop new ones. By examining a specific case in light of theoretical frameworks, researchers can evaluate the applicability and validity of these theories.

Steps Involved in Conducting a Case Study

The process of conducting a case study in sociology typically involves the following steps:

1. Selecting a Case

Researchers must carefully choose a case that is relevant to their research question and aligns with their research objectives. The case should provide sufficient depth and complexity to explore the desired aspects of the social phenomenon under investigation.

2. Collecting Data

Data collection in case studies involves a combination of methods, including interviews, observations, and document analysis. Researchers may conduct interviews with key individuals involved in the case, observe the case in its natural setting, and analyze relevant documents and artifacts.

3. Analyzing Data

Once the data is collected, researchers analyze it to identify patterns, themes, and relationships. They may use various analytical frameworks, such as content analysis or thematic analysis, to make sense of the data and draw meaningful conclusions.

4. Drawing Conclusions

Based on the analysis of the data, researchers draw conclusions about the case under investigation. These conclusions should be supported by evidence and contribute to the existing body of sociological knowledge.

5. Generalizing Findings

While case studies focus on specific cases, researchers may attempt to generalize their findings to broader contexts or populations. However, it is important to note that generalizability in case studies is limited, and findings are often context-specific.

Advantages and Limitations of Case Studies

Case studies offer several advantages in sociological research:

• They provide rich and detailed insights into complex social phenomena.
• They allow researchers to explore new or unique cases.
• They facilitate theory testing and development.
• They offer a holistic and in-depth understanding of the subject matter.

However, case studies also have limitations:

• They are time-consuming and resource-intensive.
• They may suffer from researcher bias or subjectivity.
• Their findings may lack generalizability to broader populations.
• They do not provide causal explanations but rather focus on descriptive and explanatory aspects.

The case study method is a valuable tool in sociology for exploring, describing, explaining, and testing social phenomena. By conducting in-depth investigations of specific cases, researchers can gain a comprehensive understanding of the complexities and dynamics of the social world. While case studies have their limitations, they offer unique insights that contribute to the broader field of sociological knowledge.

Mr Edwards has a PhD in sociology alongside 10 years of experience in sociological knowledge

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Conducting Case Study Research in Sociology

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A case study is a research method that relies on a single case rather than a population or sample. When researchers focus on a single case, they can make detailed observations over a long period of time, something that cannot be done with large samples without costing a lot of money. Case studies are also useful in the early stages of research when the goal is to explore ideas, test, and perfect measurement instruments, and to prepare for a larger study. The case study research method is popular not just within ​the field of sociology, but also within the fields of anthropology, psychology, education, political science, clinical science, social work, and administrative science.

Overview of the Case Study Research Method

A case study is unique within the social sciences for its focus of study on a single entity, which can be a person, group or organization, event, action, or situation. It is also unique in that, as a focus of research, a case is chosen for specific reasons, rather than randomly , as is usually done when conducting empirical research. Often, when researchers use the case study method, they focus on a case that is exceptional in some way because it is possible to learn a lot about social relationships and social forces when studying those things that deviate from norms. In doing so, a researcher is often able, through their study, to test the validity of the social theory, or to create new theories using the grounded theory method .

The first case studies in the social sciences were likely conducted by Pierre Guillaume Frédéric Le Play, a 19th-century French sociologist and economist who studied family budgets. The method has been used in sociology, psychology, and anthropology since the early 20th century.

Within sociology, case studies are typically conducted with qualitative research methods . They are considered micro rather than macro in nature , and one cannot necessarily generalize the findings of a case study to other situations. However, this is not a limitation of the method, but a strength. Through a case study based on ethnographic observation and interviews, among other methods, sociologists can illuminate otherwise hard to see and understand social relations, structures, and processes. In doing so, the findings of case studies often stimulate further research.

Types and Forms of Case Studies

There are three primary types of case studies: key cases, outlier cases, and local knowledge cases.

• Key cases are those which are chosen because the researcher has ​a particular interest in it or the circumstances surrounding it.
• Outlier cases are those that are chosen because the case stands out from other events, organizations, or situations, for some reason, and social scientists recognize that we can learn a lot from those things that differ from the norm .
• Finally, a researcher may decide to conduct a local knowledge case study when they already have amassed a usable amount of information about a given topic, person, organization, or event, and so is well-poised to conduct a study of it.

Within these types, a case study may take four different forms: illustrative, exploratory, cumulative, and critical.

• Illustrative case studies are descriptive in nature and designed to shed light on a particular situation, set of circumstances, and the social relations and processes that are embedded in them. They are useful in bringing to light something about which most people are not aware of.
• Exploratory case studies are also often known as pilot studies . This type of case study is typically used when a researcher wants to identify research questions and methods of study for a large, complex study. They are useful for clarifying the research process, which can help a researcher make the best use of time and resources in the larger study that will follow it.
• Cumulative case studies are those in which a researcher pulls together already completed case studies on a particular topic. They are useful in helping researchers to make generalizations from studies that have something in common.
• Critical instance case studies are conducted when a researcher wants to understand what happened with a unique event and/or to challenge commonly held assumptions about it that may be faulty due to a lack of critical understanding.

Whatever type and form of case study you decide to conduct, it's important to first identify the purpose, goals, and approach for conducting methodologically sound research.

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Now imagine that your neighbour, on their birthday, cuts into a large apple pie instead of a cake. Everyone on your street gets cakes on their birthday except this one neighbour. This intrigues you and you start researching this unusual tradition. Why not a birthday cake? Is there some cultural or historical significance behind celebrating with a pie? If so, why is it an apple pie? Would having a cherry pie, for example, hold the same meaning?

The point of this (seemingly random) scenario is to understand why researchers may choose to use case studies in their research. To give you a good understanding of case studies, we will be looking at:

• In this explanation, we will explore the definition of case study research
• Next, we'll go over a description of how case studies are used
• After this, we'll explore the methodology of case studies
• Then, we'll take a look at some examples of case studies
• Finally, we'll take a look at the advantages and disadvantages of the case study method in sociology

Definition of case study research

Case studies are a research method sometimes used by sociologists. Research that takes the form of a case study can also be called a case study design. Let's examine the definition of a case study.

• Case studies are in-depth investigations focused on an individual person, group, community, organisation, situation, or event.

Description of case studies

Case studies are used in a wide range of academic research areas. For instance, they can be used to study the intricacies of a particular medical phenomenon or to investigate a certain historical event.

In social research, such as in sociology, case studies are a good way to investigate social phenomena or to understand how certain processes and groups within society operate.

A researcher could study the details of a serial killer's deviance (focusing on one individual) or explore the integration of asylum seekers and refugees in a particular neighbourhood (focusing on a specific group of people).

Let's consider some common features or characteristics of case studies.

Methodology of case studies

Case studies can use methodological pluralism (using a wide range of research methods) to achieve triangulation (cross-checking of data to increase validity).

Due to the use of methodological pluralism, case studies can produce both quantitative and qualitative data.

Case studies can sometimes also be longitudinal studies (researchers studying the data at regular intervals over a long period of time).

The sample of the case study (the person, group, event, etc that is being studied) is often chosen because they are unique or exceptional in some way, and researchers want to learn more. For instance, researchers may choose to study a group of 15 delinquent children in a certain school because they deviate from behavioural norms.

Data found from case studies can be used to formulate new social theories or to test the validity of existing theories.

Check out Longitudinal Studies for more information.

Because case studies have a narrow focus , they are not used to make wider claims about populations. However, although the focus is narrow, the scope of the project can be very extensive, e.g. if a researcher is studying a person's social development throughout childhood and adolescence.

Using case studies with other research methods

Case studies can be used to follow up on a survey to provide more depth to the investigation. A case study can also precede a survey to establish whether a phenomenon merits further research.

Methodological pluralism in case studies

Researchers can use methodological pluralism in case studies to obtain a wide range of data using a wide range of research methods. Although the research methods used vary from case to case, they may include the following:

Questionnaires

Observations

Examining videos and photos

Studying documents such as historical records or letters

Examples of case studies

Case studies are relevant not only to sociology but to many different fields, including history, politics, economics, law, and the media . Some well-known examples of case studies include research on:

A community

Karen O'Reilly's (2000) and Michaela Benson's (2011) research of expatriate Briton communities in Costa del Sol, Spain. They examined groups of British people in Spain, who were notorious for being drunkards.

Researchers dove behind the stereotypes of British expatriates in Costa del Sol and studied their everyday experiences. They also studied expats' reasons for migrating to Spain and found complex accounts of expatriate life through interviews .

Stephen Ball's (1981) study into underperforming working-class students at Beachside Comprehensive examined in detail why working-class students were not performing well in school. Ball carried out participant observation at the school for three years. Upon observing two groups of students, he found there was some differentiation between students, which harmed working-class students' education.

An organisation

Simon Holdaway's (1982, 1983) study of police service, w hilst serving as a sergeant. Holdaway carried out a covert ethnographic study of police work in the London Metropolitan Police Service.

The study is considered ground-breaking. Holdaway is referred to by some sociologists as a police research pioneer.

Graham Allison's (1971) study of the Cuban Missile Crisis. He wrote the ' Essence of Decision: Explaining the Cuban Missile Crisis ', analysing the historical events of 1962.

It was used as a case study to study governmental and political decision-making in further detail. The book is well-known in the study of international relations.

Advantages and disadvantages of case study method in sociology

Gauging the suitability of a case study for a research project depends on several considerations.

Advantages of case studies

Interpretivist sociologists favour case studies because they generate detailed, qualitative data and bring in-depth insights to the investigation.

Case studies that use methodological pluralism are highly valid as they have achieved triangulation.

Researchers can gather both qualitative and quantitative data.

It is comparably cheaper to study a small sample compared to researching a large sample.

Disadvantages of case studies

Case studies are criticised by positivists for small and unrepresentative sample sizes, meaning that findings cannot be generalised to the wider population.

Positivists also state case studies are difficult to replicate because of the unique circumstances of each case study.

Researcher bias and influence may affect the validity of the findings.

It can still be expensive and time-consuming to carry out a case study.

Depending on the nature of the case study, there may be ethical concerns , especially around sensitive information.

Case Studies - Key takeaways

• Case studies can use methodological pluralism to achieve triangulation. Methodological pluralism in case studies can include using questionnaires, interviews, observations, photos, videos, and documents to carry out research.
• Although the focus of case studies is narrow, their scope is extensive.
• The advantages of case studies include in-depth qualitative data, high validity, and cheaper costs.
• The disadvantages of case studies include unrepresentative sample sizes, lack of generalisability and replicability, researcher bias, and cost. They can also be time-consuming and potentially unethical.

Frequently Asked Questions about Case Studies

--> what is a case study.

A case study is an in-depth investigation focused on an individual person, group, community, organisation, situation, or event. 

--> What is the purpose of case study research?

Case studies are used in a wide range of academic research areas. For instance, they can be used to study the intricacies of a particular medical phenomenon or to investigate a certain historical event. 

--> What is case study research?

Case study research is research obtained through the case study design. A case study design is a research method.

--> Why is the case study method used in sociology?

--> how do you write a case study.

To write a case study, one must choose a topic, pick a methodology, choose a sample, conduct the study, analyse their data, and write up their findings.

Test your knowledge with multiple choice flashcards

Why do case studies use methodological pluralism?

Case studies can only produce qualitative data. True or false?

Case studies have a ____ focus but ____ scope.

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What are case studies?

Case studies are in-depth investigations focused on an individual person, group, community, organisation, situation, or event.  

Research that takes the form of a case study can also be called a _____.

Case study design

What is methodological pluralism?

Methodological pluralism is the use of a wide range of research methods.

To achieve triangulation.

How can data from case studies be used?

Data found from case studies can be used to formulate new social theories of to test the validity of existing theories.

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Case Study

A case study is where sociologists investigate in great detail a particular individual or group, as opposed to trying to gather a representative sample from the target population. Normally a case study will feature methodological pluralism (using a range of research methods to achieve triangulation ) and they are often longitudinal studies (the researcher regularly revisiting the case over a long period of time).

Advantages of case studies include the ability to gather qualitative and quantitative data and the comparative lack of expense compared with attempting the same research with a large sample.

Disadvantages would be the inability to ensure the reliability of the data and the extent to which it could be generalisable.

An example of a Case Study is Paul Willis’ ‘Learning to Labour’ which involved an in-depth study of a group of male students from a school in Wolverhampton. Another is Heelas and Woodhead’s case study of spirituality in Kendal (the Kendal Project).

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10 Case Study Advantages and Disadvantages

A case study in academic research is a detailed and in-depth examination of a specific instance or event, generally conducted through a qualitative approach to data.

The most common case study definition that I come across is is Robert K. Yin’s (2003, p. 13) quote provided below:

“An empirical inquiry that investigates a contemporary phenomenon within its real-life context, especially when the boundaries between phenomenon and context are not clearly evident.”

Researchers conduct case studies for a number of reasons, such as to explore complex phenomena within their real-life context, to look at a particularly interesting instance of a situation, or to dig deeper into something of interest identified in a wider-scale project.

While case studies render extremely interesting data, they have many limitations and are not suitable for all studies. One key limitation is that a case study’s findings are not usually generalizable to broader populations because one instance cannot be used to infer trends across populations.

Case Study Advantages and Disadvantages

1. in-depth analysis of complex phenomena.

Case study design allows researchers to delve deeply into intricate issues and situations.

By focusing on a specific instance or event, researchers can uncover nuanced details and layers of understanding that might be missed with other research methods, especially large-scale survey studies.

As Lee and Saunders (2017) argue,

“It allows that particular event to be studies in detail so that its unique qualities may be identified.”

This depth of analysis can provide rich insights into the underlying factors and dynamics of the studied phenomenon.

2. Holistic Understanding

Building on the above point, case studies can help us to understand a topic holistically and from multiple angles.

This means the researcher isn’t restricted to just examining a topic by using a pre-determined set of questions, as with questionnaires. Instead, researchers can use qualitative methods to delve into the many different angles, perspectives, and contextual factors related to the case study.

We can turn to Lee and Saunders (2017) again, who notes that case study researchers “develop a deep, holistic understanding of a particular phenomenon” with the intent of deeply understanding the phenomenon.

3. Examination of rare and Unusual Phenomena

We need to use case study methods when we stumble upon “rare and unusual” (Lee & Saunders, 2017) phenomena that would tend to be seen as mere outliers in population studies.

Take, for example, a child genius. A population study of all children of that child’s age would merely see this child as an outlier in the dataset, and this child may even be removed in order to predict overall trends.

So, to truly come to an understanding of this child and get insights into the environmental conditions that led to this child’s remarkable cognitive development, we need to do an in-depth study of this child specifically – so, we’d use a case study.

4. Helps Reveal the Experiences of Marginalzied Groups

Just as rare and unsual cases can be overlooked in population studies, so too can the experiences, beliefs, and perspectives of marginalized groups.

As Lee and Saunders (2017) argue, “case studies are also extremely useful in helping the expression of the voices of people whose interests are often ignored.”

Take, for example, the experiences of minority populations as they navigate healthcare systems. This was for many years a “hidden” phenomenon, not examined by researchers. It took case study designs to truly reveal this phenomenon, which helped to raise practitioners’ awareness of the importance of cultural sensitivity in medicine.

5. Ideal in Situations where Researchers cannot Control the Variables

Experimental designs – where a study takes place in a lab or controlled environment – are excellent for determining cause and effect . But not all studies can take place in controlled environments (Tetnowski, 2015).

When we’re out in the field doing observational studies or similar fieldwork, we don’t have the freedom to isolate dependent and independent variables. We need to use alternate methods.

Case studies are ideal in such situations.

A case study design will allow researchers to deeply immerse themselves in a setting (potentially combining it with methods such as ethnography or researcher observation) in order to see how phenomena take place in real-life settings.

6. Supports the generation of new theories or hypotheses

While large-scale quantitative studies such as cross-sectional designs and population surveys are excellent at testing theories and hypotheses on a large scale, they need a hypothesis to start off with!

This is where case studies – in the form of grounded research – come in. Often, a case study doesn’t start with a hypothesis. Instead, it ends with a hypothesis based upon the findings within a singular setting.

The deep analysis allows for hypotheses to emerge, which can then be taken to larger-scale studies in order to conduct further, more generalizable, testing of the hypothesis or theory.

7. Reveals the Unexpected

When a largescale quantitative research project has a clear hypothesis that it will test, it often becomes very rigid and has tunnel-vision on just exploring the hypothesis.

Of course, a structured scientific examination of the effects of specific interventions targeted at specific variables is extermely valuable.

But narrowly-focused studies often fail to shine a spotlight on unexpected and emergent data. Here, case studies come in very useful. Oftentimes, researchers set their eyes on a phenomenon and, when examining it closely with case studies, identify data and come to conclusions that are unprecedented, unforeseen, and outright surprising.

As Lars Meier (2009, p. 975) marvels, “where else can we become a part of foreign social worlds and have the chance to become aware of the unexpected?”

Disadvantages

1. not usually generalizable.

Case studies are not generalizable because they tend not to look at a broad enough corpus of data to be able to infer that there is a trend across a population.

As Yang (2022) argues, “by definition, case studies can make no claims to be typical.”

Case studies focus on one specific instance of a phenomenon. They explore the context, nuances, and situational factors that have come to bear on the case study. This is really useful for bringing to light important, new, and surprising information, as I’ve already covered.

But , it’s not often useful for generating data that has validity beyond the specific case study being examined.

2. Subjectivity in interpretation

Case studies usually (but not always) use qualitative data which helps to get deep into a topic and explain it in human terms, finding insights unattainable by quantitative data.

But qualitative data in case studies relies heavily on researcher interpretation. While researchers can be trained and work hard to focus on minimizing subjectivity (through methods like triangulation), it often emerges – some might argue it’s innevitable in qualitative studies.

So, a criticism of case studies could be that they’re more prone to subjectivity – and researchers need to take strides to address this in their studies.

3. Difficulty in replicating results

Case study research is often non-replicable because the study takes place in complex real-world settings where variables are not controlled.

So, when returning to a setting to re-do or attempt to replicate a study, we often find that the variables have changed to such an extent that replication is difficult. Furthermore, new researchers (with new subjective eyes) may catch things that the other readers overlooked.

Replication is even harder when researchers attempt to replicate a case study design in a new setting or with different participants.

Comprehension Quiz for Students

Question 1: What benefit do case studies offer when exploring the experiences of marginalized groups?

a) They provide generalizable data. b) They help express the voices of often-ignored individuals. c) They control all variables for the study. d) They always start with a clear hypothesis.

Question 2: Why might case studies be considered ideal for situations where researchers cannot control all variables?

a) They provide a structured scientific examination. b) They allow for generalizability across populations. c) They focus on one specific instance of a phenomenon. d) They allow for deep immersion in real-life settings.

Question 3: What is a primary disadvantage of case studies in terms of data applicability?

a) They always focus on the unexpected. b) They are not usually generalizable. c) They support the generation of new theories. d) They provide a holistic understanding.

Question 4: Why might case studies be considered more prone to subjectivity?

a) They always use quantitative data. b) They heavily rely on researcher interpretation, especially with qualitative data. c) They are always replicable. d) They look at a broad corpus of data.

Question 5: In what situations are experimental designs, such as those conducted in labs, most valuable?

a) When there’s a need to study rare and unusual phenomena. b) When a holistic understanding is required. c) When determining cause-and-effect relationships. d) When the study focuses on marginalized groups.

Question 6: Why is replication challenging in case study research?

a) Because they always use qualitative data. b) Because they tend to focus on a broad corpus of data. c) Due to the changing variables in complex real-world settings. d) Because they always start with a hypothesis.

Lee, B., & Saunders, M. N. K. (2017). Conducting Case Study Research for Business and Management Students. SAGE Publications.

Meir, L. (2009). Feasting on the Benefits of Case Study Research. In Mills, A. J., Wiebe, E., & Durepos, G. (Eds.). Encyclopedia of Case Study Research (Vol. 2). London: SAGE Publications.

Tetnowski, J. (2015). Qualitative case study research design.  Perspectives on fluency and fluency disorders ,  25 (1), 39-45. ( Source )

Yang, S. L. (2022). The War on Corruption in China: Local Reform and Innovation . Taylor & Francis.

Yin, R. (2003). Case Study research. Thousand Oaks, CA: Sage.

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2.2 Research Methods

Learning objectives.

By the end of this section, you should be able to:

• Recall the 6 Steps of the Scientific Method
• Differentiate between four kinds of research methods: surveys, field research, experiments, and secondary data analysis.
• Explain the appropriateness of specific research approaches for specific topics.

Sociologists examine the social world, see a problem or interesting pattern, and set out to study it. They use research methods to design a study. Planning the research design is a key step in any sociological study. Sociologists generally choose from widely used methods of social investigation: primary source data collection such as survey, participant observation, ethnography, case study, unobtrusive observations, experiment, and secondary data analysis , or use of existing sources. Every research method comes with plusses and minuses, and the topic of study strongly influences which method or methods are put to use. When you are conducting research think about the best way to gather or obtain knowledge about your topic, think of yourself as an architect. An architect needs a blueprint to build a house, as a sociologist your blueprint is your research design including your data collection method.

When entering a particular social environment, a researcher must be careful. There are times to remain anonymous and times to be overt. There are times to conduct interviews and times to simply observe. Some participants need to be thoroughly informed; others should not know they are being observed. A researcher wouldn’t stroll into a crime-ridden neighborhood at midnight, calling out, “Any gang members around?”

Making sociologists’ presence invisible is not always realistic for other reasons. That option is not available to a researcher studying prison behaviors, early education, or the Ku Klux Klan. Researchers can’t just stroll into prisons, kindergarten classrooms, or Klan meetings and unobtrusively observe behaviors or attract attention. In situations like these, other methods are needed. Researchers choose methods that best suit their study topics, protect research participants or subjects, and that fit with their overall approaches to research.

As a research method, a survey collects data from subjects who respond to a series of questions about behaviors and opinions, often in the form of a questionnaire or an interview. The survey is one of the most widely used scientific research methods. The standard survey format allows individuals a level of anonymity in which they can express personal ideas.

At some point, most people in the United States respond to some type of survey. The 2020 U.S. Census is an excellent example of a large-scale survey intended to gather sociological data. Since 1790, United States has conducted a survey consisting of six questions to received demographical data pertaining to residents. The questions pertain to the demographics of the residents who live in the United States. Currently, the Census is received by residents in the United Stated and five territories and consists of 12 questions.

Not all surveys are considered sociological research, however, and many surveys people commonly encounter focus on identifying marketing needs and strategies rather than testing a hypothesis or contributing to social science knowledge. Questions such as, “How many hot dogs do you eat in a month?” or “Were the staff helpful?” are not usually designed as scientific research. The Nielsen Ratings determine the popularity of television programming through scientific market research. However, polls conducted by television programs such as American Idol or So You Think You Can Dance cannot be generalized, because they are administered to an unrepresentative population, a specific show’s audience. You might receive polls through your cell phones or emails, from grocery stores, restaurants, and retail stores. They often provide you incentives for completing the survey.

Sociologists conduct surveys under controlled conditions for specific purposes. Surveys gather different types of information from people. While surveys are not great at capturing the ways people really behave in social situations, they are a great method for discovering how people feel, think, and act—or at least how they say they feel, think, and act. Surveys can track preferences for presidential candidates or reported individual behaviors (such as sleeping, driving, or texting habits) or information such as employment status, income, and education levels.

A survey targets a specific population , people who are the focus of a study, such as college athletes, international students, or teenagers living with type 1 (juvenile-onset) diabetes. Most researchers choose to survey a small sector of the population, or a sample , a manageable number of subjects who represent a larger population. The success of a study depends on how well a population is represented by the sample. In a random sample , every person in a population has the same chance of being chosen for the study. As a result, a Gallup Poll, if conducted as a nationwide random sampling, should be able to provide an accurate estimate of public opinion whether it contacts 2,000 or 10,000 people.

After selecting subjects, the researcher develops a specific plan to ask questions and record responses. It is important to inform subjects of the nature and purpose of the survey up front. If they agree to participate, researchers thank subjects and offer them a chance to see the results of the study if they are interested. The researcher presents the subjects with an instrument, which is a means of gathering the information.

A common instrument is a questionnaire. Subjects often answer a series of closed-ended questions . The researcher might ask yes-or-no or multiple-choice questions, allowing subjects to choose possible responses to each question. This kind of questionnaire collects quantitative data —data in numerical form that can be counted and statistically analyzed. Just count up the number of “yes” and “no” responses or correct answers, and chart them into percentages.

Questionnaires can also ask more complex questions with more complex answers—beyond “yes,” “no,” or checkbox options. These types of inquiries use open-ended questions that require short essay responses. Participants willing to take the time to write those answers might convey personal religious beliefs, political views, goals, or morals. The answers are subjective and vary from person to person. How do you plan to use your college education?

Some topics that investigate internal thought processes are impossible to observe directly and are difficult to discuss honestly in a public forum. People are more likely to share honest answers if they can respond to questions anonymously. This type of personal explanation is qualitative data —conveyed through words. Qualitative information is harder to organize and tabulate. The researcher will end up with a wide range of responses, some of which may be surprising. The benefit of written opinions, though, is the wealth of in-depth material that they provide.

An interview is a one-on-one conversation between the researcher and the subject, and it is a way of conducting surveys on a topic. However, participants are free to respond as they wish, without being limited by predetermined choices. In the back-and-forth conversation of an interview, a researcher can ask for clarification, spend more time on a subtopic, or ask additional questions. In an interview, a subject will ideally feel free to open up and answer questions that are often complex. There are no right or wrong answers. The subject might not even know how to answer the questions honestly.

Questions such as “How does society’s view of alcohol consumption influence your decision whether or not to take your first sip of alcohol?” or “Did you feel that the divorce of your parents would put a social stigma on your family?” involve so many factors that the answers are difficult to categorize. A researcher needs to avoid steering or prompting the subject to respond in a specific way; otherwise, the results will prove to be unreliable. The researcher will also benefit from gaining a subject’s trust, from empathizing or commiserating with a subject, and from listening without judgment.

Surveys often collect both quantitative and qualitative data. For example, a researcher interviewing people who are incarcerated might receive quantitative data, such as demographics – race, age, sex, that can be analyzed statistically. For example, the researcher might discover that 20 percent of incarcerated people are above the age of 50. The researcher might also collect qualitative data, such as why people take advantage of educational opportunities during their sentence and other explanatory information.

The survey can be carried out online, over the phone, by mail, or face-to-face. When researchers collect data outside a laboratory, library, or workplace setting, they are conducting field research, which is our next topic.

Field Research

The work of sociology rarely happens in limited, confined spaces. Rather, sociologists go out into the world. They meet subjects where they live, work, and play. Field research refers to gathering primary data from a natural environment. To conduct field research, the sociologist must be willing to step into new environments and observe, participate, or experience those worlds. In field work, the sociologists, rather than the subjects, are the ones out of their element.

The researcher interacts with or observes people and gathers data along the way. The key point in field research is that it takes place in the subject’s natural environment, whether it’s a coffee shop or tribal village, a homeless shelter or the DMV, a hospital, airport, mall, or beach resort.

While field research often begins in a specific setting , the study’s purpose is to observe specific behaviors in that setting. Field work is optimal for observing how people think and behave. It seeks to understand why they behave that way. However, researchers may struggle to narrow down cause and effect when there are so many variables floating around in a natural environment. And while field research looks for correlation, its small sample size does not allow for establishing a causal relationship between two variables. Indeed, much of the data gathered in sociology do not identify a cause and effect but a correlation .

Sociology in the Real World

Beyoncé and lady gaga as sociological subjects.

Sociologists have studied Lady Gaga and Beyoncé and their impact on music, movies, social media, fan participation, and social equality. In their studies, researchers have used several research methods including secondary analysis, participant observation, and surveys from concert participants.

In their study, Click, Lee & Holiday (2013) interviewed 45 Lady Gaga fans who utilized social media to communicate with the artist. These fans viewed Lady Gaga as a mirror of themselves and a source of inspiration. Like her, they embrace not being a part of mainstream culture. Many of Lady Gaga’s fans are members of the LGBTQ community. They see the “song “Born This Way” as a rallying cry and answer her calls for “Paws Up” with a physical expression of solidarity—outstretched arms and fingers bent and curled to resemble monster claws.”

Sascha Buchanan (2019) made use of participant observation to study the relationship between two fan groups, that of Beyoncé and that of Rihanna. She observed award shows sponsored by iHeartRadio, MTV EMA, and BET that pit one group against another as they competed for Best Fan Army, Biggest Fans, and FANdemonium. Buchanan argues that the media thus sustains a myth of rivalry between the two most commercially successful Black women vocal artists.

Participant Observation

In 2000, a comic writer named Rodney Rothman wanted an insider’s view of white-collar work. He slipped into the sterile, high-rise offices of a New York “dot com” agency. Every day for two weeks, he pretended to work there. His main purpose was simply to see whether anyone would notice him or challenge his presence. No one did. The receptionist greeted him. The employees smiled and said good morning. Rothman was accepted as part of the team. He even went so far as to claim a desk, inform the receptionist of his whereabouts, and attend a meeting. He published an article about his experience in The New Yorker called “My Fake Job” (2000). Later, he was discredited for allegedly fabricating some details of the story and The New Yorker issued an apology. However, Rothman’s entertaining article still offered fascinating descriptions of the inside workings of a “dot com” company and exemplified the lengths to which a writer, or a sociologist, will go to uncover material.

Rothman had conducted a form of study called participant observation , in which researchers join people and participate in a group’s routine activities for the purpose of observing them within that context. This method lets researchers experience a specific aspect of social life. A researcher might go to great lengths to get a firsthand look into a trend, institution, or behavior. A researcher might work as a waitress in a diner, experience homelessness for several weeks, or ride along with police officers as they patrol their regular beat. Often, these researchers try to blend in seamlessly with the population they study, and they may not disclose their true identity or purpose if they feel it would compromise the results of their research.

At the beginning of a field study, researchers might have a question: “What really goes on in the kitchen of the most popular diner on campus?” or “What is it like to be homeless?” Participant observation is a useful method if the researcher wants to explore a certain environment from the inside.

Field researchers simply want to observe and learn. In such a setting, the researcher will be alert and open minded to whatever happens, recording all observations accurately. Soon, as patterns emerge, questions will become more specific, observations will lead to hypotheses, and hypotheses will guide the researcher in analyzing data and generating results.

In a study of small towns in the United States conducted by sociological researchers John S. Lynd and Helen Merrell Lynd, the team altered their purpose as they gathered data. They initially planned to focus their study on the role of religion in U.S. towns. As they gathered observations, they realized that the effect of industrialization and urbanization was the more relevant topic of this social group. The Lynds did not change their methods, but they revised the purpose of their study.

This shaped the structure of Middletown: A Study in Modern American Culture , their published results (Lynd & Lynd, 1929).

The Lynds were upfront about their mission. The townspeople of Muncie, Indiana, knew why the researchers were in their midst. But some sociologists prefer not to alert people to their presence. The main advantage of covert participant observation is that it allows the researcher access to authentic, natural behaviors of a group’s members. The challenge, however, is gaining access to a setting without disrupting the pattern of others’ behavior. Becoming an inside member of a group, organization, or subculture takes time and effort. Researchers must pretend to be something they are not. The process could involve role playing, making contacts, networking, or applying for a job.

Once inside a group, some researchers spend months or even years pretending to be one of the people they are observing. However, as observers, they cannot get too involved. They must keep their purpose in mind and apply the sociological perspective. That way, they illuminate social patterns that are often unrecognized. Because information gathered during participant observation is mostly qualitative, rather than quantitative, the end results are often descriptive or interpretive. The researcher might present findings in an article or book and describe what he or she witnessed and experienced.

This type of research is what journalist Barbara Ehrenreich conducted for her book Nickel and Dimed . One day over lunch with her editor, Ehrenreich mentioned an idea. How can people exist on minimum-wage work? How do low-income workers get by? she wondered. Someone should do a study . To her surprise, her editor responded, Why don’t you do it?

That’s how Ehrenreich found herself joining the ranks of the working class. For several months, she left her comfortable home and lived and worked among people who lacked, for the most part, higher education and marketable job skills. Undercover, she applied for and worked minimum wage jobs as a waitress, a cleaning woman, a nursing home aide, and a retail chain employee. During her participant observation, she used only her income from those jobs to pay for food, clothing, transportation, and shelter.

She discovered the obvious, that it’s almost impossible to get by on minimum wage work. She also experienced and observed attitudes many middle and upper-class people never think about. She witnessed firsthand the treatment of working class employees. She saw the extreme measures people take to make ends meet and to survive. She described fellow employees who held two or three jobs, worked seven days a week, lived in cars, could not pay to treat chronic health conditions, got randomly fired, submitted to drug tests, and moved in and out of homeless shelters. She brought aspects of that life to light, describing difficult working conditions and the poor treatment that low-wage workers suffer.

The book she wrote upon her return to her real life as a well-paid writer, has been widely read and used in many college classrooms.

Ethnography

Ethnography is the immersion of the researcher in the natural setting of an entire social community to observe and experience their everyday life and culture. The heart of an ethnographic study focuses on how subjects view their own social standing and how they understand themselves in relation to a social group.

An ethnographic study might observe, for example, a small U.S. fishing town, an Inuit community, a village in Thailand, a Buddhist monastery, a private boarding school, or an amusement park. These places all have borders. People live, work, study, or vacation within those borders. People are there for a certain reason and therefore behave in certain ways and respect certain cultural norms. An ethnographer would commit to spending a determined amount of time studying every aspect of the chosen place, taking in as much as possible.

A sociologist studying a tribe in the Amazon might watch the way villagers go about their daily lives and then write a paper about it. To observe a spiritual retreat center, an ethnographer might sign up for a retreat and attend as a guest for an extended stay, observe and record data, and collate the material into results.

Institutional Ethnography

Institutional ethnography is an extension of basic ethnographic research principles that focuses intentionally on everyday concrete social relationships. Developed by Canadian sociologist Dorothy E. Smith (1990), institutional ethnography is often considered a feminist-inspired approach to social analysis and primarily considers women’s experiences within male- dominated societies and power structures. Smith’s work is seen to challenge sociology’s exclusion of women, both academically and in the study of women’s lives (Fenstermaker, n.d.).

Historically, social science research tended to objectify women and ignore their experiences except as viewed from the male perspective. Modern feminists note that describing women, and other marginalized groups, as subordinates helps those in authority maintain their own dominant positions (Social Sciences and Humanities Research Council of Canada n.d.). Smith’s three major works explored what she called “the conceptual practices of power” and are still considered seminal works in feminist theory and ethnography (Fensternmaker n.d.).

Sociological Research

The making of middletown: a study in modern u.s. culture.

In 1924, a young married couple named Robert and Helen Lynd undertook an unprecedented ethnography: to apply sociological methods to the study of one U.S. city in order to discover what “ordinary” people in the United States did and believed. Choosing Muncie, Indiana (population about 30,000) as their subject, they moved to the small town and lived there for eighteen months.

Ethnographers had been examining other cultures for decades—groups considered minorities or outsiders—like gangs, immigrants, and the poor. But no one had studied the so-called average American.

Recording interviews and using surveys to gather data, the Lynds objectively described what they observed. Researching existing sources, they compared Muncie in 1890 to the Muncie they observed in 1924. Most Muncie adults, they found, had grown up on farms but now lived in homes inside the city. As a result, the Lynds focused their study on the impact of industrialization and urbanization.

They observed that Muncie was divided into business and working class groups. They defined business class as dealing with abstract concepts and symbols, while working class people used tools to create concrete objects. The two classes led different lives with different goals and hopes. However, the Lynds observed, mass production offered both classes the same amenities. Like wealthy families, the working class was now able to own radios, cars, washing machines, telephones, vacuum cleaners, and refrigerators. This was an emerging material reality of the 1920s.

As the Lynds worked, they divided their manuscript into six chapters: Getting a Living, Making a Home, Training the Young, Using Leisure, Engaging in Religious Practices, and Engaging in Community Activities.

When the study was completed, the Lynds encountered a big problem. The Rockefeller Foundation, which had commissioned the book, claimed it was useless and refused to publish it. The Lynds asked if they could seek a publisher themselves.

Middletown: A Study in Modern American Culture was not only published in 1929 but also became an instant bestseller, a status unheard of for a sociological study. The book sold out six printings in its first year of publication, and has never gone out of print (Caplow, Hicks, & Wattenberg. 2000).

Nothing like it had ever been done before. Middletown was reviewed on the front page of the New York Times. Readers in the 1920s and 1930s identified with the citizens of Muncie, Indiana, but they were equally fascinated by the sociological methods and the use of scientific data to define ordinary people in the United States. The book was proof that social data was important—and interesting—to the U.S. public.

Sometimes a researcher wants to study one specific person or event. A case study is an in-depth analysis of a single event, situation, or individual. To conduct a case study, a researcher examines existing sources like documents and archival records, conducts interviews, engages in direct observation and even participant observation, if possible.

Researchers might use this method to study a single case of a foster child, drug lord, cancer patient, criminal, or rape victim. However, a major criticism of the case study as a method is that while offering depth on a topic, it does not provide enough evidence to form a generalized conclusion. In other words, it is difficult to make universal claims based on just one person, since one person does not verify a pattern. This is why most sociologists do not use case studies as a primary research method.

However, case studies are useful when the single case is unique. In these instances, a single case study can contribute tremendous insight. For example, a feral child, also called “wild child,” is one who grows up isolated from human beings. Feral children grow up without social contact and language, which are elements crucial to a “civilized” child’s development. These children mimic the behaviors and movements of animals, and often invent their own language. There are only about one hundred cases of “feral children” in the world.

As you may imagine, a feral child is a subject of great interest to researchers. Feral children provide unique information about child development because they have grown up outside of the parameters of “normal” growth and nurturing. And since there are very few feral children, the case study is the most appropriate method for researchers to use in studying the subject.

At age three, a Ukranian girl named Oxana Malaya suffered severe parental neglect. She lived in a shed with dogs, and she ate raw meat and scraps. Five years later, a neighbor called authorities and reported seeing a girl who ran on all fours, barking. Officials brought Oxana into society, where she was cared for and taught some human behaviors, but she never became fully socialized. She has been designated as unable to support herself and now lives in a mental institution (Grice 2011). Case studies like this offer a way for sociologists to collect data that may not be obtained by any other method.

Experiments

You have probably tested some of your own personal social theories. “If I study at night and review in the morning, I’ll improve my retention skills.” Or, “If I stop drinking soda, I’ll feel better.” Cause and effect. If this, then that. When you test the theory, your results either prove or disprove your hypothesis.

One way researchers test social theories is by conducting an experiment , meaning they investigate relationships to test a hypothesis—a scientific approach.

There are two main types of experiments: lab-based experiments and natural or field experiments. In a lab setting, the research can be controlled so that more data can be recorded in a limited amount of time. In a natural or field- based experiment, the time it takes to gather the data cannot be controlled but the information might be considered more accurate since it was collected without interference or intervention by the researcher.

As a research method, either type of sociological experiment is useful for testing if-then statements: if a particular thing happens (cause), then another particular thing will result (effect). To set up a lab-based experiment, sociologists create artificial situations that allow them to manipulate variables.

Classically, the sociologist selects a set of people with similar characteristics, such as age, class, race, or education. Those people are divided into two groups. One is the experimental group and the other is the control group. The experimental group is exposed to the independent variable(s) and the control group is not. To test the benefits of tutoring, for example, the sociologist might provide tutoring to the experimental group of students but not to the control group. Then both groups would be tested for differences in performance to see if tutoring had an effect on the experimental group of students. As you can imagine, in a case like this, the researcher would not want to jeopardize the accomplishments of either group of students, so the setting would be somewhat artificial. The test would not be for a grade reflected on their permanent record of a student, for example.

And if a researcher told the students they would be observed as part of a study on measuring the effectiveness of tutoring, the students might not behave naturally. This is called the Hawthorne effect —which occurs when people change their behavior because they know they are being watched as part of a study. The Hawthorne effect is unavoidable in some research studies because sociologists have to make the purpose of the study known. Subjects must be aware that they are being observed, and a certain amount of artificiality may result (Sonnenfeld 1985).

A real-life example will help illustrate the process. In 1971, Frances Heussenstamm, a sociology professor at California State University at Los Angeles, had a theory about police prejudice. To test her theory, she conducted research. She chose fifteen students from three ethnic backgrounds: Black, White, and Hispanic. She chose students who routinely drove to and from campus along Los Angeles freeway routes, and who had had perfect driving records for longer than a year.

Next, she placed a Black Panther bumper sticker on each car. That sticker, a representation of a social value, was the independent variable. In the 1970s, the Black Panthers were a revolutionary group actively fighting racism. Heussenstamm asked the students to follow their normal driving patterns. She wanted to see whether seeming support for the Black Panthers would change how these good drivers were treated by the police patrolling the highways. The dependent variable would be the number of traffic stops/citations.

The first arrest, for an incorrect lane change, was made two hours after the experiment began. One participant was pulled over three times in three days. He quit the study. After seventeen days, the fifteen drivers had collected a total of thirty-three traffic citations. The research was halted. The funding to pay traffic fines had run out, and so had the enthusiasm of the participants (Heussenstamm, 1971).

Secondary Data Analysis

While sociologists often engage in original research studies, they also contribute knowledge to the discipline through secondary data analysis . Secondary data does not result from firsthand research collected from primary sources, but are the already completed work of other researchers or data collected by an agency or organization. Sociologists might study works written by historians, economists, teachers, or early sociologists. They might search through periodicals, newspapers, or magazines, or organizational data from any period in history.

Using available information not only saves time and money but can also add depth to a study. Sociologists often interpret findings in a new way, a way that was not part of an author’s original purpose or intention. To study how women were encouraged to act and behave in the 1960s, for example, a researcher might watch movies, televisions shows, and situation comedies from that period. Or to research changes in behavior and attitudes due to the emergence of television in the late 1950s and early 1960s, a sociologist would rely on new interpretations of secondary data. Decades from now, researchers will most likely conduct similar studies on the advent of mobile phones, the Internet, or social media.

Social scientists also learn by analyzing the research of a variety of agencies. Governmental departments and global groups, like the U.S. Bureau of Labor Statistics or the World Health Organization (WHO), publish studies with findings that are useful to sociologists. A public statistic like the foreclosure rate might be useful for studying the effects of a recession. A racial demographic profile might be compared with data on education funding to examine the resources accessible by different groups.

One of the advantages of secondary data like old movies or WHO statistics is that it is nonreactive research (or unobtrusive research), meaning that it does not involve direct contact with subjects and will not alter or influence people’s behaviors. Unlike studies requiring direct contact with people, using previously published data does not require entering a population and the investment and risks inherent in that research process.

Using available data does have its challenges. Public records are not always easy to access. A researcher will need to do some legwork to track them down and gain access to records. To guide the search through a vast library of materials and avoid wasting time reading unrelated sources, sociologists employ content analysis , applying a systematic approach to record and value information gleaned from secondary data as they relate to the study at hand.

Also, in some cases, there is no way to verify the accuracy of existing data. It is easy to count how many drunk drivers, for example, are pulled over by the police. But how many are not? While it’s possible to discover the percentage of teenage students who drop out of high school, it might be more challenging to determine the number who return to school or get their GED later.

Another problem arises when data are unavailable in the exact form needed or do not survey the topic from the precise angle the researcher seeks. For example, the average salaries paid to professors at a public school is public record. But these figures do not necessarily reveal how long it took each professor to reach the salary range, what their educational backgrounds are, or how long they’ve been teaching.

When conducting content analysis, it is important to consider the date of publication of an existing source and to take into account attitudes and common cultural ideals that may have influenced the research. For example, when Robert S. Lynd and Helen Merrell Lynd gathered research in the 1920s, attitudes and cultural norms were vastly different then than they are now. Beliefs about gender roles, race, education, and work have changed significantly since then. At the time, the study’s purpose was to reveal insights about small U.S. communities. Today, it is an illustration of 1920s attitudes and values.

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• Book title: Introduction to Sociology 3e
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Case Studies

Case studies and life histories.

Both case studies and life histories are favoured by interpretivist researchers and tend to yield qualitative data.

Case studies & life histories

• For example, Willis’s study of specific counter-school sub-cultures tried to explore using interviews at schools why children from certain social backgrounds got certain types of jobs.
• Life histories are specific kind of case study that looks at the overall life of one individual or small group, often using in-depth unstructured interviews supported by personal documents, such as diaries and letters.

• They can be useful to test wider theories, such as working class boys’ attitudes towards education.
• They can be useful for generating new hypotheses or testing in further research or as an adjunct to other types of research.

Advantages cont.

• They provide more valid in-depth detail and understanding from the point of view of the individual or group than can be obtained by positivist methods such as surveys and questionnaires.

Disadvantages

• They are not representative of the larger population, so findings cannot be generalised.
• They may not be valid; life histories, for example, view the past from the standpoint of the present and facts might be misremembered.

1 Theory & Methods

1.1 Sociological Theories

1.1.1 Marxism

1.1.2 Feminism

1.1.3 Social Action Theories

1.2 Sociological Methods

1.2.1 Types of Data

1.2.2 Positivism & Interpretivism

1.2.3 Research Design

1.2.4 Research Considerations

1.2.5 Values in Research

1.2.6 Modernity & Post-Modernity

1.2.7 Sociology as a Science

1.2.8 Sociology & Social Policy

1.2.9 End of Topic Test - Sociology Methods & Theories

1.3 Sources of Data

1.3.1 Introduction

1.3.2 Experiments

1.3.3 Surveys

1.3.4 Longitudinal Studies

1.3.5 Questionnaires

1.3.6 Types of Questionnaires

1.3.7 Interviews

1.3.8 Observation

1.3.9 Case Studies

1.3.10 Documents

1.3.11 Official Statistics

1.3.12 End of Topic Test - Sources of Data

2 Education with Methods in Context

2.1 Role & Function of the Education System

2.1.1 Introduction

2.1.2 Functionalist Theories

2.1.3 Marxist & Feminist Theories

2.1.4 The New Right

2.2 Educational Achievement

2.2.1 Social Class: Internal Factors

2.2.2 Social Class: External Factors

2.2.3 Social Class: Attitudes to Education

2.2.4 Social Class: Difference in Achievement

2.2.5 Gender

2.2.6 Ethnicity

2.3 Relationships & Processes Within Schools

2.3.1 Processes

2.3.2 Labelling

2.3.3 Categorisations

2.3.4 Student Experience

2.3.5 End of Topic Test -Education with Methods

2.4 Educational Policies

2.4.1 Equality

2.4.2 Privatisation

2.4.3 Marketisation

2.4.4 Government Policies by Party

2.4.5 Globalisation

2.4.6 End of Topic Test- Educational Policies

2.4.7 Practice Exam Question - Social Policies

3 Option 1: Culture & Identity

3.1 Conceptions of Culture

3.1.1 Culture

3.1.2 Mass Culture

3.1.3 Popular Culture

3.1.4 Global Culture

3.1.5 End of Topic Test - Culture and Identity

3.2 Identity & Socialisation

3.2.1 Identities

3.2.2 Socialisation

3.2.3 Secondary Socialisation

3.2.4 Theories of Socialisation

3.2.5 End of Topic Test - Identity

3.2.6 Practice Exam Question - Socialisation & Equality

3.3 Social Identity

3.3.1 Social Class

3.3.2 Upper & Middle Class

3.3.3 Working & Underclass

3.3.4 Social Class Evaluation

3.3.5 Gender

3.3.6 Changing Gender Identities

3.3.7 Ethnicity

3.3.9 Disability

3.3.10 Nationality

3.3.11 End of Topic Test - Social Identity

3.4 Production, Consumption & Globalisation

3.4.1 Production & Consumption

3.4.2 Globalisation

3.4.3 Evaluation

3.4.4 End of Topic Test - Production

4 Option 1: Families & Households

4.1 Families & Households

4.1.1 Definitions

4.1.2 Functionalist & New Right Perspectives

4.1.3 Marxist & Feminist Perspectives

4.1.4 Postmodernist Perspective

4.1.5 End of Topic Test - Families & Households

4.1.6 Practice Exam Question - Function of Family

4.2 Changing Patterns

4.2.1 Marriage

4.2.2 Divorce

4.2.3 LAT Relationships

4.2.4 Child-Bearing

4.2.5 Lone Parenthood

4.2.6 Diversity

4.2.7 The Sociology of Personal Life

4.2.8 Government Policies Post-WW2

4.2.9 End of Topic Test - Changing Patterns

4.3 The Symmetrical Family

4.3.1 The Symmetrical Family

4.3.2 Evaluation

4.4 Children & Childhood

4.4.1 Childhood

4.4.2 Childhood in the UK

4.4.3 Childhood as a Social Construct

4.4.4 The Disappearance of Childhood

4.4.5 Child Abuse

4.4.6 Domestic Violence

4.4.7 End of Topic Test - Family & Childhood

4.5 Demographic Trends UK

4.5.1 Introduction

4.5.2 Birth Rates

4.5.3 Death Rates

4.5.4 The Ageing Population

4.5.5 Studies on the Ageing Population

4.5.6 Migration

4.5.7 Globalisation

4.5.8 End of Topic Test - Demographics UK

5 Option 1: Health

5.1 Social Constructions

5.1.1 The Body

5.1.2 Health, Illness & Disease

5.1.3 Disability

5.1.4 Models of Health & Illness

5.1.5 End of Topic Test - Social Constructions

5.2 Social Distribution of Healthcare

5.2.1 Social Class

5.2.2 Gender

5.2.3 Ethnicity

5.2.4 Regional

5.3 Provision & Access to Healthcare

5.3.1 The NHS

5.3.2 Inequalities in Provision

5.3.3 Sociological Explanations

5.3.4 Inequalities in Access

5.3.5 Inequalities in Access 2

5.3.6 End of Topic Test - Distribution Health

5.4 Mental Health

5.4.1 The Biomedical Approach

5.4.2 Social Patterns

5.4.3 Social Constructionist Approach

5.5 The Globalised Health Industry

5.5.1 The Functionalist Approach

5.5.2 The Postmodernist Approach

5.5.3 The Globalised Health Industry

5.5.4 End of Topic Test - Mental Health & Globalisation

6 Option 1: Work, Poverty & Welfare

6.1 Poverty & Wealth

6.1.1 Types of Poverty

6.1.2 Types of Poverty 2

6.1.3 Distribution of Wealth UK

6.1.4 Sociological Theories

6.1.5 Sociological Theories 2

6.1.6 Distribution of Poverty UK

6.1.7 End of Topic Test - Poverty & Wealth

6.2 Welfare

6.2.1 The Welfare State

6.2.2 Theoretical Approaches to Welfare

6.3 Labour Process

6.3.1 Nature of Work

6.3.2 Technology & Control

6.3.3 Work & Life

6.3.4 The Effects of Globalisation

6.3.5 Globalisation & Worklessness

6.3.6 End of Topic Test - Welfare & Labour

7 Option 2: Beliefs in Society

7.1 Ideology, Science & Religion

7.1.1 Types of Religion

7.1.2 Ideology & Belief Systems

7.1.3 Social Stability & Religion

7.1.4 Social Change & Religion

7.1.5 End of Topic Test - Ideology, Science & Religion

7.2 Religious Movements

7.2.1 Religious Organisations

7.2.2 New Religious Movements

7.2.3 New Age Movements

7.2.4 Practice Exam Question - Growth of NRMs

7.3 Society & Religion

7.3.1 Social Groups & Religion

7.3.2 Gender & Religion

7.3.3 End of Topic Test- Religious Movements & Society

7.4 Contemporary Religion

7.4.1 Secularisation UK

7.4.2 Against Secularisation

7.4.3 Secularisation US

7.4.4 Fundamentalism

7.4.5 Economic Development & Religion

7.4.6 End of Topic - Contemporary Religion

8 Option 2: Global Development

8.1 Development, Underdevelopment & Global Inequality

8.1.1 Development

8.1.2 Underdevelopment & Global Inequality

8.2 Globalisation & Global Organisations

8.2.1 Globalisation

8.2.2 Transnational Corporations & International Agency

8.2.3 Non-Governmental Organisations (NGOs)

8.3 Aid, Trade, Industrialisation, Urbanisation

8.3.1 Development: Aid & Trade

8.3.2 Development: Industrialisation & Urbanisation

8.3.3 Development: Environment & War

9 Option 2: The Media

9.1 Contemporary Media

9.1.1 New Media

9.1.2 Control of the Media

9.1.3 Sociological Approaches: New Media

9.1.4 Globalisation

9.1.5 News Selection

9.1.6 Moral Panics

9.1.7 End of Topic Test - Contemporary Media

9.2 Media Representations

9.2.2 Social Class & Ethnicity

9.2.3 Gender

9.2.4 Sexuality & Disability

9.2.5 Practice Exam Questions - Presentation of Women

9.3 Audiences

9.3.1 Media Theories

9.3.2 Media Theories 2

9.3.3 Media Representations & Audiences

10 Crime & Deviance

10.1 Crime & Society

10.1.1 Functionalism

10.1.2 Subcultural Theory

10.1.3 Marxism

10.1.4 Realism

10.1.5 Other Approaches

10.1.6 End of Topic Test - Crime & Society

10.1.7 Practice Exam Questions - Social Construction

10.2 Social Distribution of Crime

10.2.1 Ethnicity

10.2.2 Gender

10.2.3 Globalisation & Crime

10.2.4 Media & Crime

10.2.5 Types of Crimes

10.2.6 End of Topic Test - Social Distribution of Crime

10.3 Prevention & Punishment

10.3.1 Surveillance

10.3.2 Prevention

10.3.3 Punishment

10.3.4 Victimology

10.3.5 End of Topic Test - Prevention & Punishment

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Observation

Case Study Method – 18 Advantages and Disadvantages

The case study method uses investigatory research as a way to collect data about specific demographics. This approach can apply to individuals, businesses, groups, or events. Each participant receives an equal amount of participation, offering information for collection that can then find new insights into specific trends, ideas, of hypotheses.

Interviews and research observation are the two standard methods of data collection used when following the case study method.

Researchers initially developed the case study method to develop and support hypotheses in clinical medicine. The benefits found in these efforts led the approach to transition to other industries, allowing for the examination of results through proposed decisions, processes, or outcomes. Its unique approach to information makes it possible for others to glean specific points of wisdom that encourage growth.

Several case study method advantages and disadvantages can appear when researchers take this approach.

List of the Advantages of the Case Study Method

1. It requires an intensive study of a specific unit. Researchers must document verifiable data from direct observations when using the case study method. This work offers information about the input processes that go into the hypothesis under consideration. A casual approach to data-gathering work is not effective if a definitive outcome is desired. Each behavior, choice, or comment is a critical component that can verify or dispute the ideas being considered.

Intensive programs can require a significant amount of work for researchers, but it can also promote an improvement in the data collected. That means a hypothesis can receive immediate verification in some situations.

2. No sampling is required when following the case study method. This research method studies social units in their entire perspective instead of pulling individual data points out to analyze them. That means there is no sampling work required when using the case study method. The hypothesis under consideration receives support because it works to turn opinions into facts, verifying or denying the proposals that outside observers can use in the future.

Although researchers might pay attention to specific incidents or outcomes based on generalized behaviors or ideas, the study itself won’t sample those situations. It takes a look at the “bigger vision” instead.

3. This method offers a continuous analysis of the facts. The case study method will look at the facts continuously for the social group being studied by researchers. That means there aren’t interruptions in the process that could limit the validity of the data being collected through this work. This advantage reduces the need to use assumptions when drawing conclusions from the information, adding validity to the outcome of the study over time. That means the outcome becomes relevant to both sides of the equation as it can prove specific suppositions or invalidate a hypothesis under consideration.

This advantage can lead to inefficiencies because of the amount of data being studied by researchers. It is up to the individuals involved in the process to sort out what is useful and meaningful and what is not.

4. It is a useful approach to take when formulating a hypothesis. Researchers will use the case study method advantages to verify a hypothesis under consideration. It is not unusual for the collected data to lead people toward the formulation of new ideas after completing this work. This process encourages further study because it allows concepts to evolve as people do in social or physical environments. That means a complete data set can be gathered based on the skills of the researcher and the honesty of the individuals involved in the study itself.

Although this approach won’t develop a societal-level evaluation of a hypothesis, it can look at how specific groups will react in various circumstances. That information can lead to a better decision-making process in the future for everyone involved.

5. It provides an increase in knowledge. The case study method provides everyone with analytical power to increase knowledge. This advantage is possible because it uses a variety of methodologies to collect information while evaluating a hypothesis. Researchers prefer to use direct observation and interviews to complete their work, but it can also advantage through the use of questionnaires. Participants might need to fill out a journal or diary about their experiences that can be used to study behaviors or choices.

Some researchers incorporate memory tests and experimental tasks to determine how social groups will interact or respond in specific situations. All of this data then works to verify the possibilities that a hypothesis proposes.

6. The case study method allows for comparisons. The human experience is one that is built on individual observations from group situations. Specific demographics might think, act, or respond in particular ways to stimuli, but each person in that group will also contribute a small part to the whole. You could say that people are sponges that collect data from one another every day to create individual outcomes.

The case study method allows researchers to take the information from each demographic for comparison purposes. This information can then lead to proposals that support a hypothesis or lead to its disruption.

7. Data generalization is possible using the case study method. The case study method provides a foundation for data generalization, allowing researches to illustrate their statistical findings in meaningful ways. It puts the information into a usable format that almost anyone can use if they have the need to evaluate the hypothesis under consideration. This process makes it easier to discover unusual features, unique outcomes, or find conclusions that wouldn’t be available without this method. It does an excellent job of identifying specific concepts that relate to the proposed ideas that researchers were verifying through their work.

Generalization does not apply to a larger population group with the case study method. What researchers can do with this information is to suggest a predictable outcome when similar groups are placed in an equal situation.

8. It offers a comprehensive approach to research. Nothing gets ignored when using the case study method to collect information. Every person, place, or thing involved in the research receives the complete attention of those seeking data. The interactions are equal, which means the data is comprehensive and directly reflective of the group being observed.

This advantage means that there are fewer outliers to worry about when researching an idea, leading to a higher level of accuracy in the conclusions drawn by the researchers.

9. The identification of deviant cases is possible with this method. The case study method of research makes it easier to identify deviant cases that occur in each social group. These incidents are units (people) that behave in ways that go against the hypothesis under consideration. Instead of ignoring them like other options do when collecting data, this approach incorporates the “rogue” behavior to understand why it exists in the first place.

This advantage makes the eventual data and conclusions gathered more reliable because it incorporates the “alternative opinion” that exists. One might say that the case study method places as much emphasis on the yin as it does the yang so that the whole picture becomes available to the outside observer.

10. Questionnaire development is possible with the case study method. Interviews and direct observation are the preferred methods of implementing the case study method because it is cheap and done remotely. The information gathered by researchers can also lead to farming questionnaires that can farm additional data from those being studied. When all of the data resources come together, it is easier to formulate a conclusion that accurately reflects the demographics.

Some people in the case study method may try to manipulate the results for personal reasons, but this advantage makes it possible to identify this information readily. Then researchers can look into the thinking that goes into the dishonest behaviors observed.

List of the Disadvantages of the Case Study Method

1. The case study method offers limited representation. The usefulness of the case study method is limited to a specific group of representatives. Researchers are looking at a specific demographic when using this option. That means it is impossible to create any generalization that applies to the rest of society, an organization, or a larger community with this work. The findings can only apply to other groups caught in similar circumstances with the same experiences.

It is useful to use the case study method when attempting to discover the specific reasons why some people behave in a specific way. If researchers need something more generalized, then a different method must be used.

2. No classification is possible with the case study method. This disadvantage is also due to the sample size in the case study method. No classification is possible because researchers are studying such a small unit, group, or demographic. It can be an inefficient process since the skills of the researcher help to determine the quality of the data being collected to verify the validity of a hypothesis. Some participants may be unwilling to answer or participate, while others might try to guess at the outcome to support it.

Researchers can get trapped in a place where they explore more tangents than the actual hypothesis with this option. Classification can occur within the units being studied, but this data cannot extrapolate to other demographics.

3. The case study method still offers the possibility of errors. Each person has an unconscious bias that influences their behaviors and choices. The case study method can find outliers that oppose a hypothesis fairly easily thanks to its emphasis on finding facts, but it is up to the researchers to determine what information qualifies for this designation. If the results from the case study method are surprising or go against the opinion of participating individuals, then there is still the possibility that the information will not be 100% accurate.

Researchers must have controls in place that dictate how data gathering work occurs. Without this limitation in place, the results of the study cannot be guaranteed because of the presence of bias.

4. It is a subjective method to use for research. Although the purpose of the case study method of research is to gather facts, the foundation of what gets gathered is still based on opinion. It uses the subjective method instead of the objective one when evaluating data, which means there can be another layer of errors in the information to consider.

Imagine that a researcher interprets someone’s response as “angry” when performing direct observation, but the individual was feeling “shame” because of a decision they made. The difference between those two emotions is profound, and it could lead to information disruptions that could be problematic to the eventual work of hypothesis verification.

5. The processes required by the case study method are not useful for everyone. The case study method uses a person’s memories, explanations, and records from photographs and diaries to identify interactions on influences on psychological processes. People are given the chance to describe what happens in the world around them as a way for researchers to gather data. This process can be an advantage in some industries, but it can also be a worthless approach to some groups.

If the social group under study doesn’t have the information, knowledge, or wisdom to provide meaningful data, then the processes are no longer useful. Researchers must weigh the advantages and disadvantages of the case study method before starting their work to determine if the possibility of value exists. If it does not, then a different method may be necessary.

6. It is possible for bias to form in the data. It’s not just an unconscious bias that can form in the data when using the case study method. The narrow study approach can lead to outright discrimination in the data. Researchers can decide to ignore outliers or any other information that doesn’t support their hypothesis when using this method. The subjective nature of this approach makes it difficult to challenge the conclusions that get drawn from this work, and the limited pool of units (people) means that duplication is almost impossible.

That means unethical people can manipulate the results gathered by the case study method to their own advantage without much accountability in the process.

7. This method has no fixed limits to it. This method of research is highly dependent on situational circumstances rather than overarching societal or corporate truths. That means the researcher has no fixed limits of investigation. Even when controls are in place to limit bias or recommend specific activities, the case study method has enough flexibility built into its structures to allow for additional exploration. That means it is possible for this work to continue indefinitely, gathering data that never becomes useful.

Scientists began to track the health of 268 sophomores at Harvard in 1938. The Great Depression was in its final years at that point, so the study hoped to reveal clues that lead to happy and healthy lives. It continues still today, now incorporating the children of the original participants, providing over 80 years of information to sort through for conclusions.

8. The case study method is time-consuming and expensive. The case study method can be affordable in some situations, but the lack of fixed limits and the ability to pursue tangents can make it a costly process in most situations. It takes time to gather the data in the first place, and then researchers must interpret the information received so that they can use it for hypothesis evaluation. There are other methods of data collection that can be less expensive and provide results faster.

That doesn’t mean the case study method is useless. The individualization of results can help the decision-making process advance in a variety of industries successfully. It just takes more time to reach the appropriate conclusion, and that might be a resource that isn’t available.

The advantages and disadvantages of the case study method suggest that the helpfulness of this research option depends on the specific hypothesis under consideration. When researchers have the correct skills and mindset to gather data accurately, then it can lead to supportive data that can verify ideas with tremendous accuracy.

This research method can also be used unethically to produce specific results that can be difficult to challenge.

When bias enters into the structure of the case study method, the processes become inefficient, inaccurate, and harmful to the hypothesis. That’s why great care must be taken when designing a study with this approach. It might be a labor-intensive way to develop conclusions, but the outcomes are often worth the investments needed.

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Longitudinal Studies

Longitudinal Studies are studies in which data is collected at specific intervals over a long period of time in order to measure changes over time. This post provides one example of a longitudinal study and explores some the strengths and limitations of this research method.

With a longitudinal study you might start with an original sample of respondents in one particular year (say the year 2000) and then go back to them every year, every five years, or every ten years, aiming to collect data from the same people. One of the biggest problems with Longitudinal Studies is the attrition rate, or the subject dropout rate over time.

The Millennium Cohort Study

One recent example of a Longitudinal study is the Millennium Cohort Study, which stretched from 2000 to 2011, with an initial sample of 19 000 children.

The study tracked children until the age of 11 and has provide an insight into how differences in early socialisation affect child development in terms of health and educational outcomes.

The study also allowed researchers to make comparisons in rates of development between children of different sexes and from different economic backgrounds.

Led by the Centre for Longitudinal Studies at the Institute of Education , it was funded by the Economic and Social Research Council and government departments. The results below come from between 2006 and 2007, when the children were aged five.

Selected Findings

• The survey found that children whose parents read to them every day at the age of three were more likely to flourish in their first year in primary school, getting more than two months ahead not just in language and literacy but also in maths
• Children who were read to on a daily basis were 2.4 months ahead of those whose parents never read to them in maths, and 2.8 months ahead in communication, language and literacy.
• Girls were consistently outperforming boys at the age of five, when they were nine months ahead in creative development – activities like drama, singing and dancing, and 4.2 months ahead in literacy.
• Children from lower-income families with parents who were less highly educated were less advanced in their development at age five. Living in social housing put them 3.2 months behind in maths and 3.5 months behind in literacy.

The strengths of longitudinal studies

• They allow researchers to trace developments over time, rather than just taking a one-off ‘snapshot’ of one moment.
• By making comparisons over time, they can identify causes. The Millennium Cohort study, for example suggests a clear correlation between poverty and its early impact on low educational achievement

The limitations of longitudinal studies

• Sample attrition – people dropping out of the study, and the people who remain in the study may not end up being representative of the starting sample.
• People may start to act differently because they know they are part of the study
• Because they take a long time, they are costly and time consuming.
• Continuity over many years may be a problem – if a lead researcher retires, for example, her replacement might not have the same rapport with respondents.

Related Posts

Explaining Social Class Differences in Educational Through Longitudinal Studies

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