what is the difference between essay and dissertation

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Dissertation vs Essay – A Complete Guide to Understanding The Difference

Published by Ellie Cross at January 26th, 2023 , Revised On October 9, 2023

A dissertation and essay are required in order to graduate from college. Essays are typically used to demonstrate that a student has learned the material covered in their class, while dissertations are used to prove that the student has done more than skim through the material.

Dissertation committees usually require at least one dissertation paper from every student who completes their degree. Essays and dissertations can also be used as an entrance exam into graduate school.

What is a Dissertation?

A dissertation is a research document that lays out your analysis of a particular topic. It often includes an introduction, a literature review, data analysis, and conclusions. Because the goal of a dissertation is to provide original scholarly work, it must be well-researched and well-organized.

What is an Essay?

Essays are a unique form of writing that requires much thought and analysis. They can be used to explore an issue or to argue a point. Essays can be on any topic, but they are generally longer than other types of writing and are more likely to use examples.

Dissertation vs Essay: What’s the Difference?

There are many differences between dissertations and essays. Essays are typically shorter and focus on a specific topic. Dissertations, on the other hand, can be much longer, covering a wide range of topics.

Additionally, dissertations often require more research than essays. Dissertations may be submitted to colleges as either original work or a reprint of an earlier article or book.

A dissertation is an exhaustive examination of a specific topic, while an essay is more like exploring a topic. Dissertations typically require more research than essays and may also be longer. The focus of a dissertation may be narrower than that of an essay, and the writing may be more rigorous. Finally, dissertations are typically submitted to a peer-review process, whereas essays are not usually subject to such evaluation.

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Thesis Statement  

An essay must have a clear and concise thesis statement. A dissertation may include a thesis statement, but it is not required.

The purposes of an essay can differ from those of a dissertation. Essays are typically used for academic writing, while dissertations are used for research papers. An essay may be written for personal enjoyment or academic purposes, such as earning a degree. A dissertation, on the other hand, is typically used to obtain a degree or to win a scholarship.

The essay is to communicate information and ideas, while the purpose of a dissertation is to explore a specific topic in depth. 

Writing Style

There are some important differences between these two types of writing. For example, essays typically require less research than dissertations. Additionally, essays often use more informal language, while dissertations are usually written in scholarly prose. 

The language of an essay is often conversational and less formal than the language of a dissertation. While both types of writing require strong research skills, the tone and style of an essay will be more personal, while that of a dissertation may be more objective.

There are many factors to consider when determining the length of a project. Essays are generally shorter than dissertations. The average essay length is 2,000-2,500 words, while the average dissertation is 10,000-15,000. There are a few exceptions to this rule, however. 

Some research papers are shorter than 2,000 words, and some dissertations exceed 15,000. Therefore, it is important to determine your project’s specific word count requirement to maintain appropriate writing standards .

The main difference between these lengths is that an essay is typically shorter and aims to communicate information quickly. At the same time, a dissertation is longer and seeks to explore a complex topic in depth.  

While there is no set rule on how long an essay should be, it is generally helpful to keep your paragraphs short so that readers can easily follow your argument. Additionally, use concise language and avoid flowery descriptions to keep your essay on target.

Structure  

Essays are typically divided into paragraphs that flow together, while dissertations may be more detailed and have more subsections.

Both types of papers require proper citation formatting.

In order to write effectively, it is important to research your topic thoroughly.

Essays are written in various personal, formal, and scholarly voices.

Need Help in Writing an Essay or Dissertation? 

If you have trouble writing an essay or dissertation, don’t hesitate to seek essay help . There are a number of professional writers who can help you get your work done more effectively and efficiently. 

ResearchProspect is one of the best essay and writing companies in the UK. They provide high-quality essay and dissertation writing services that meet your needs and expectations. Their experienced writers have the knowledge and skills to produce quality essays and dissertations. 

They understand that your time is valuable, which is why they offer a wide range of affordable options at reasonable prices. So, contact them today to learn more about their unique dissertation or essay writing services – we believe you won’t be disappointed!

Frequently Asked Questions

How to differentiate between an essay and dissertation.

An essay is shorter, typically around 1500-5000 words, while a dissertation is a long-form academic work, often 10,000 words or more, with original research and in-depth analysis.

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What Exactly Is A Dissertation (Or Thesis)?

If you’ve landed on this article, chances are you’ve got a dissertation or thesis project coming up (hopefully it’s not due next week!), and you’re now asking yourself the classic question, “what the #%#%^ is a dissertation?”…

In this post, I’ll break down the basics of exactly what a dissertation is, in plain language. No ivory tower academia.

So, let’s get to the pressing question – what is a dissertation?

A dissertation (or thesis) = a research project

Simply put, a dissertation (or thesis – depending on which country you’re studying in) is a research project . In other words, your task is to ask a research question (or set of questions) and then set about finding the answer(s). Simple enough, right?

Well, the catch is that you’ve got to undertake this research project in an academic fashion , and there’s a wealth of academic language that makes it all (look) rather confusing (thanks, academia). However, at its core, a dissertation is about undertaking research (investigating something). This is really important to understand, because the key skill that your university is trying to develop in you (and will be testing you on) is your ability to undertake research in a well-structured structured, critical and academically rigorous way.

This research-centric focus is significantly different from assignments or essays, where the main concern is whether you can understand and apply the prescribed module theory. I’ll explain some other key differences between dissertations or theses and assignments a bit later in this article, but for now, let’s dig a little deeper into what a dissertation is.

A dissertation (or thesis) is a process.

Okay, so now that you understand that a dissertation is a research project (which is testing your ability to undertake quality research), let’s go a little deeper into what that means in practical terms.

The best way to understand a dissertation is to view it as a process – more specifically a research process (it is a research project, after all). This process involves four essential steps, which I’ll discuss below.

Step 1 – You identify a worthy research question

The very first step of the research process is to find a meaningful research question, or a set of questions. In other words, you need to find a suitable topic for investigation. Since a dissertation is all about research, identifying the key question(s) is the critical first step. Here’s an example of a well-defined research question:

“Which factors cultivate or erode customer trust in UK-based life insurance brokers?”

This clearly defined question sets the direction of the research . From the question alone, you can understand exactly what the outcome of the research might look like – i.e. a set of findings about which factors help brokers develop customer trust, and which factors negatively impact trust.

But how on earth do I find a suitable research question, you ask? Don’t worry about this right now – when you’re ready, you can read our article about finding a dissertation topic . However, right now, the important thing to understand is that the first step in the dissertation process is identifying the key research question(s). Without a clear question, you cannot move forward.

Step 2 – You review the existing research

Once the research question is clearly established, the next step is to review the existing research/literature (both academic and professional/industry) to understand what has already been said with regard to the question. In academic speak, this is called a literature review .

This step is critically important as, in all likelihood, someone else has asked a similar question to yours, and therefore you can build on the work of others . Good academic research is not about reinventing the wheel or starting from scratch – it’s about familiarising yourself with the current state of knowledge, and then using that as your basis for further research.

Simply put, the first step to answering your research question is to look at what other researchers have to say about it. Sometimes this will lead you to change your research question or direction slightly (for example, if the existing research already provides a comprehensive answer). Don’t stress – this is completely acceptable and a normal part of the research process.

Step 3 – You carry out your own research

Once you’ve got a decent understanding of the existing state of knowledge, you will carry out your own research by collecting and analysing the relevant data. This could take to form of primary research (collecting your own fresh data), secondary research (synthesising existing data) or both, depending on the nature of your degree, research question(s) and even your university’s specific requirements.

Exactly what data you collect and how you go about analysing it depends largely on the research question(s) you are asking, but very often you will take either a qualitative approach (e.g. interviews or focus groups) or a quantitative approach (e.g. online surveys). In other words, your research approach can be words-based, numbers-based, or both . Don’t let the terminology scare you and don’t worry about these technical details for now – we’ll explain research methodology in later posts .

Step 4 – You develop answers to your research question(s)

Combining your understanding of the existing research (Step 2) with the findings from your own original research (Step 3), you then (attempt to) answer your original research question (s). The process of asking, investigating and then answering has gone full circle.

Of course, your research won’t always provide rock-solid answers to your original questions, and indeed you might find that your findings spur new questions altogether. Don’t worry – this is completely acceptable and is a natural part of the research process.

So, to recap, a dissertation is best understood as a research process, where you are:

• Ask a meaningful research question(s)
• Carry out the research (both existing research and your own)
• Analyse the results to develop an answer to your original research question(s).

Depending on your specific degree and the way your university designs its coursework, you might be asking yourself “but isn’t this just a longer version of a normal assignment?”. Well, it’s quite possible that your previous assignments required a similar research process, but there are some key differences you need to be aware of, which I’ll explain next.

Same same, but different…

While there are, naturally, similarities between dissertations/theses and assignments, its important to understand the differences  so that you approach your dissertation with the right mindset and focus your energy on the right things. Here, I’ll discuss four ways in which writing a dissertation differs substantially from assignments and essays, and why this matters.

Difference #1 – You must decide (and live with) the direction.

Unlike assignments or essays, where the general topic is determined for you, for your dissertation, you will (typically) be the one who decides on your research questions and overall direction. This means that you will need to:

• Find a suitable research question (or set of questions)
• Justify why its worth investigating (in the form of a research proposal )
• Find all the relevant existing research and familiarise yourself with the theory

This is very different from assignments, where the theory is given to you on a platter, and the direction is largely pre-defined. Therefore, before you start the dissertation process, you need to understand the basics of academic research, how to find a suitable research topic and how to source the relevant literature.

Difference #2 – It’s a long project, and you’re on your own.

A dissertation is a long journey, at least compared to assignments. Typically, you will spend 3 – 6 months writing around 15,000 – 25,000 words (for Masters-level, much more for PhD) on just one subject. Therefore, successfully completing your dissertation requires a substantial amount of stamina .

To make it even more challenging, your classmates will not be researching the same thing as you are, so you have limited support, other than your supervisor (who may be very busy). This can make it quite a lonely journey . Therefore, you need a lot of self-discipline and self-direction in order to see it through to the end. You should also try to build a support network of people who can help you through the process (perhaps alumni, faculty or a private coach ).

Difference #3 – They’re testing research skills.

We touched on this earlier. Unlike assignments or essays, where the markers are assessing your ability to understand and apply the theories, models and frameworks that they provide you with, your dissertation will be is assessing your ability to undertake high-quality research in an academically rigorous manner.

Of course, your ability to understand the relevant theory (i.e. within your literature review) is still very important, but this is only one piece of the research skills puzzle. You need to demonstrate the full spectrum of research skills.

It’s important to note that your research does not need to be ground-breaking, revolutionary or world-changing – that is not what the markers are assessing. They are assessing whether you can apply well-established research principles and skills to a worthwhile topic of enquiry. Don’t feel like you need to solve the world’s major problems. It’s simply not going to happen (you’re a first-time researcher, after all) – and doesn’t need to happen in order to earn good marks.

Difference #4 – Your focus needs to be narrow and deep.

In your assignments, you were likely encouraged to take a broad, interconnected, high-level view of the theory and connect as many different ideas and concepts as possible. In your dissertation, however, you typically need to narrow your focus and go deep into one particular topic. Think about the research question we looked at earlier:

The focus is intentionally very narrow – specifically the focus is on:

• The UK only – no other countries are being considered.
• Life insurance brokers only – not financial services, not vehicle insurance, not medical insurance, etc.
• Customer trust only – not reputation, not customer loyalty, not employee trust, supplier trust, etc.

By keeping the focus narrow, you enable yourself to deeply probe whichever topic you choose – and this depth is essential for earning good marks. Importantly, ringfencing your focus doesn’t mean ignoring the connections to other topics – you should still acknowledge all the linkages, but don’t get distracted – stay focused on the research question(s).

So, as you can see, a dissertation is more than just an extended assignment or essay. It’s a unique research project that you (and only you) must lead from start to finish. The good news is that, if done right, completing your dissertation will equip you with strong research skills, which you will most certainly use in the future, regardless of whether you follow an academic or professional path.

Wrapping up

Hopefully in this post, I’ve answered your key question, “what is a dissertation?”, at least at a big picture-level. To recap on the key points:

• A dissertation is simply a structured research project .
• It’s useful to view a dissertation as a process involving asking a question, undertaking research and then answering that question.
• First and foremost, your marker(s) will be assessing your research skills , so its essential that you focus on producing a rigorous, academically sound piece of work (as opposed to changing the world or making a scientific breakthrough).
• While there are similarities, a dissertation is different from assignments and essays in multiple ways. It’s important to understand these differences if you want to produce a quality dissertation.

In this post, I’ve gently touched on some of the intricacies of the dissertation, including research questions, data types and research methodologies. Be sure to check out the Grad Coach Blog  for more detailed discussion of these areas.

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34 Comments

Hello Derek

Yes, I struggle with literature review and am highly frustrated (with myself).

Thank you for the guide that you have sent, especially the apps. I am working through the guide and busy with the implementation of it.

Hope to hear from you again!

Regards Micheal

Great to hear that, Michael. All the best with your research!

Thank you. That was quite something to move forward with. Despite the fact that I was lost. I will now be able to do something with the information given.

That’s great, Pheladi. Good luck!

Thank you so much for your videos and writing research proposal and dissertation. These videos are useful. I was struggling, but now I am starting to write. I hope to watch your more videos to learn more about the dissertation.

Before this post, I didn’t know where to start my research, today I have some light and do certain % of my research. I may need for direction on literature review. Big thanks to you.

Very very good Derek

Thanks immensely Derek

You’re welcome 🙂 Good luck with your dissertation/thesis.

Thank you Derek for widening my scope on research, this can be likened to a blind man whose eyes can now see.

Remain bless sir🙏

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Hello Derek,

I got stuck in the concept paper because I changed my topic. Now I don’t know where to pick up the pieces again. How can I focus and stay on track. I am getting scared.

Thank you so much Derek, I am a new comer, learning for the first time how to write a good research. These in information’s to me is a mind opener, I hope to learn more from you in the future, Thanks and God bless.

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On cybersecurity Analytics research to banking transactions

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This is like a light at the end of the tunnel. You are a lifesaver. Thank you once again.

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Your website is very helpful for writing thesis. A big well done to the team. Do you have a website for paper writing and academic publishing or how to publish my thesis, how to land a fully funded PhD, etc. Just the general upward trajectory in the academia. Thank you

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This topic is intended for my MPhil. Work (The perception of parents on Technical and Vocational Education, the impact on educational policy). May you consider the suitability of the topic for me and refine if the need be. Thank you,

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i have gone through the notes and it is interesting. All i need now is a pdf file that contain a whole dissertation writing inclusive of chapter 1 to 5 on motivation as a topic… thanks

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I got stuck in my writing because I need to change my topic. I am getting scared as I have a semester left 🙁

Thanks for such an educational opportunity and support

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• Dissertation

What Is a Dissertation? | 5 Essential Questions to Get Started

Published on 26 March 2020 by Jack Caulfield . Revised on 5 May 2022.

A dissertation is a large research project undertaken at the end of a degree. It involves in-depth consideration of a problem or question chosen by the student. It is usually the largest (and final) piece of written work produced during a degree.

The length and structure of a dissertation vary widely depending on the level and field of study. However, there are some key questions that can help you understand the requirements and get started on your dissertation project.

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Table of contents

When and why do you have to write a dissertation, who will supervise your dissertation, what type of research will you do, how should your dissertation be structured, what formatting and referencing rules do you have to follow, frequently asked questions about dissertations.

A dissertation, sometimes called a thesis, comes at the end of an undergraduate or postgraduate degree. It is a larger project than the other essays you’ve written, requiring a higher word count and a greater depth of research.

You’ll generally work on your dissertation during the final year of your degree, over a longer period than you would take for a standard essay . For example, the dissertation might be your main focus for the last six months of your degree.

Why is the dissertation important?

The dissertation is a test of your capacity for independent research. You are given a lot of autonomy in writing your dissertation: you come up with your own ideas, conduct your own research, and write and structure the text by yourself.

This means that it is an important preparation for your future, whether you continue in academia or not: it teaches you to manage your own time, generate original ideas, and work independently.

Prevent plagiarism, run a free check.

During the planning and writing of your dissertation, you’ll work with a supervisor from your department. The supervisor’s job is to give you feedback and advice throughout the process.

The dissertation supervisor is often assigned by the department, but you might be allowed to indicate preferences or approach potential supervisors. If so, try to pick someone who is familiar with your chosen topic, whom you get along with on a personal level, and whose feedback you’ve found useful in the past.

How will your supervisor help you?

Your supervisor is there to guide you through the dissertation project, but you’re still working independently. They can give feedback on your ideas, but not come up with ideas for you.

You may need to take the initiative to request an initial meeting with your supervisor. Then you can plan out your future meetings and set reasonable deadlines for things like completion of data collection, a structure outline, a first chapter, a first draft, and so on.

Make sure to prepare in advance for your meetings. Formulate your ideas as fully as you can, and determine where exactly you’re having difficulties so you can ask your supervisor for specific advice.

Your approach to your dissertation will vary depending on your field of study. The first thing to consider is whether you will do empirical research , which involves collecting original data, or non-empirical research , which involves analysing sources.

Empirical dissertations (sciences)

An empirical dissertation focuses on collecting and analysing original data. You’ll usually write this type of dissertation if you are studying a subject in the sciences or social sciences.

• What are airline workers’ attitudes towards the challenges posed for their industry by climate change?
• How effective is cognitive behavioural therapy in treating depression in young adults?
• What are the short-term health effects of switching from smoking cigarettes to e-cigarettes?

There are many different empirical research methods you can use to answer these questions – for example, experiments , observations, surveys , and interviews.

When doing empirical research, you need to consider things like the variables you will investigate, the reliability and validity of your measurements, and your sampling method . The aim is to produce robust, reproducible scientific knowledge.

Non-empirical dissertations (arts and humanities)

A non-empirical dissertation works with existing research or other texts, presenting original analysis, critique and argumentation, but no original data. This approach is typical of arts and humanities subjects.

• What attitudes did commentators in the British press take towards the French Revolution in 1789–1792?
• How do the themes of gender and inheritance intersect in Shakespeare’s Macbeth ?
• How did Plato’s Republic and Thomas More’s Utopia influence nineteenth century utopian socialist thought?

The first steps in this type of dissertation are to decide on your topic and begin collecting your primary and secondary sources .

Primary sources are the direct objects of your research. They give you first-hand evidence about your subject. Examples of primary sources include novels, artworks and historical documents.

Secondary sources provide information that informs your analysis. They describe, interpret, or evaluate information from primary sources. For example, you might consider previous analyses of the novel or author you are working on, or theoretical texts that you plan to apply to your primary sources.

Dissertations are divided into chapters and sections. Empirical dissertations usually follow a standard structure, while non-empirical dissertations are more flexible.

Structure of an empirical dissertation

Empirical dissertations generally include these chapters:

• Introduction : An explanation of your topic and the research question(s) you want to answer.
• Literature review : A survey and evaluation of previous research on your topic.
• Methodology : An explanation of how you collected and analysed your data.
• Results : A brief description of what you found.
• Discussion : Interpretation of what these results reveal.
• Conclusion : Answers to your research question(s) and summary of what your findings contribute to knowledge in your field.

Sometimes the order or naming of chapters might be slightly different, but all of the above information must be included in order to produce thorough, valid scientific research.

Other dissertation structures

If your dissertation doesn’t involve data collection, your structure is more flexible. You can think of it like an extended essay – the text should be logically organised in a way that serves your argument:

• Introduction: An explanation of your topic and the question(s) you want to answer.
• Main body: The development of your analysis, usually divided into 2–4 chapters.
• Conclusion: Answers to your research question(s) and summary of what your analysis contributes to knowledge in your field.

The chapters of the main body can be organised around different themes, time periods, or texts. Below you can see some example structures for dissertations in different subjects.

• Political philosophy

This example, on the topic of the British press’s coverage of the French Revolution, shows how you might structure each chapter around a specific theme.

This example, on the topic of Plato’s and More’s influences on utopian socialist thought, shows a different approach to dividing the chapters by theme.

This example, a master’s dissertation on the topic of how writers respond to persecution, shows how you can also use section headings within each chapter. Each of the three chapters deals with a specific text, while the sections are organised thematically.

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Like other academic texts, it’s important that your dissertation follows the formatting guidelines set out by your university. You can lose marks unnecessarily over mistakes, so it’s worth taking the time to get all these elements right.

Formatting guidelines concern things like:

• line spacing
• page numbers
• punctuation
• title pages
• presentation of tables and figures

If you’re unsure about the formatting requirements, check with your supervisor or department. You can lose marks unnecessarily over mistakes, so it’s worth taking the time to get all these elements right.

How will you reference your sources?

Referencing means properly listing the sources you cite and refer to in your dissertation, so that the reader can find them. This avoids plagiarism by acknowledging where you’ve used the work of others.

Keep track of everything you read as you prepare your dissertation. The key information to note down for a reference is:

• The publication date
• Page numbers for the parts you refer to (especially when using direct quotes)

Different referencing styles each have their own specific rules for how to reference. The most commonly used styles in UK universities are listed below.

You can use the free APA Reference Generator to automatically create and store your references.

APA Reference Generator

The words ‘ dissertation ’ and ‘thesis’ both refer to a large written research project undertaken to complete a degree, but they are used differently depending on the country:

• In the UK, you write a dissertation at the end of a bachelor’s or master’s degree, and you write a thesis to complete a PhD.
• In the US, it’s the other way around: you may write a thesis at the end of a bachelor’s or master’s degree, and you write a dissertation to complete a PhD.

The main difference is in terms of scale – a dissertation is usually much longer than the other essays you complete during your degree.

Another key difference is that you are given much more independence when working on a dissertation. You choose your own dissertation topic , and you have to conduct the research and write the dissertation yourself (with some assistance from your supervisor).

Dissertation word counts vary widely across different fields, institutions, and levels of education:

• An undergraduate dissertation is typically 8,000–15,000 words
• A master’s dissertation is typically 12,000–50,000 words
• A PhD thesis is typically book-length: 70,000–100,000 words

However, none of these are strict guidelines – your word count may be lower or higher than the numbers stated here. Always check the guidelines provided by your university to determine how long your own dissertation should be.

At the bachelor’s and master’s levels, the dissertation is usually the main focus of your final year. You might work on it (alongside other classes) for the entirety of the final year, or for the last six months. This includes formulating an idea, doing the research, and writing up.

A PhD thesis takes a longer time, as the thesis is the main focus of the degree. A PhD thesis might be being formulated and worked on for the whole four years of the degree program. The writing process alone can take around 18 months.

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Thesis vs. Dissertation: What’s the difference?

Thesis and dissertation are extensive research papers that differ in terms of their requirements, length, and purpose, with the former being associated with a master's degree and the latter with a doctoral degree, but are often used interchangeably.

Updated on September 15, 2023

A thesis and a dissertation are both extensive research papers, and both require literature searches and novel findings, but the two differ in various ways. Their definitions also differ across regions. Typically, in North America, a thesis is required for the completion of a master’s degree, while a dissertation is required for the completion of a doctoral degree. The former is long, while the latter is longer and more intensive.

Despite these differences, the two terms are often used interchangeably, especially among those who haven’t completed one or the other. Here, we’ll compare the components, length, and purpose of these two academic documents to clearly understand the differences between these important papers in the life of a graduate student.

What’s a thesis?

The term “thesis” explained here is generally consistent with how the word is used in North America to describe this substantive research paper.

A thesis is an extended argument (PDF). It is a research-based document that displays the student’s/author’s knowledge and understanding of a specific subject within their field of study. It generally presents findings on a particular topic. 

See this and this (PDFs) for examples. These superb master’s theses from Canada will give you an idea of the size and format of these papers.

Who would write a thesis?

You generally write a thesis if you’re undertaking a research-oriented master's degree program (as opposed to a practical program, which may require a capstone, internship, exam, etc.). 

The thesis is the essential part of a program’s research component, demonstrating the student's ability to critically analyze the literature and complete independent research. The process of writing a thesis involves exploring a specific research question, conducting a comprehensive literature review, collecting and analyzing data, and presenting findings in a structured and cohesive way.

A thesis' specific requirements and expectations differ depending on the academic institution, department, and program.

Components of a thesis

A thesis is typically presented in chapters. How many chapters will vary, but a common structure is:

• Introduction: Presents the research topic, purpose, and objectives, setting the context for the work.
• Literature review: Comprehensive survey of existing scholarly material related to the research topic, highlighting key theories and findings.
• Methodology: Describes the methods, procedures, and tools used in doing the research.
• Research: The actual performing of the study, collecting, and analyzing data relevant to the research question.
• Findings and conclusions: Gives the results obtained and explains their significance in relation to the research question.
• Limitations and future research: Outlines the study’s shortcomings and suggests potential areas for future investigation.

Within that structure, and in addition to those parts, a thesis may also include: 

• Cover page: Contains the thesis title, author's name, institution, department, date, and other relevant information
• Abstract : A brief summary of the thesis, highlighting the research objectives, methods, key findings, and conclusions.
• Certificates of own work
• Certificate of readiness to be included in the library
• Certificate that the research has not been presented to another university
• Acknowledgments
• Table of contents: List of the main sections, subsections, and corresponding page numbers.
• Index of figures and tables
• References: A comprehensive list of all the sources cited in the thesis, following a specific citation style (e.g., APA, MLA).
• Appendices (optional): Additional materials include:
• Abbreviations and/or acronyms used
• Questionnaire or interview schedule/s (if used)
• Data acquired in the form of transcripts or numeric tables
• Research protocol
• Ethics protocol

What’s a dissertation?

This is also viewed from a North American perspective, where a dissertation is usually the main research work toward completing a research-based doctoral program.

A dissertation is a comprehensive and in-depth research project completed as part of the requirements for a doctoral degree. It’s a substantial piece of original work that contributes new knowledge to a specific field of study.  Naturally, when it’s completed as the major requirement for earning a PhD, it’s longer, more detailed, and the expectations are higher.

Dissertations themselves can add to the literature in the field. For this reason, some students choose to publish them and have them indexed. The research and the data acquired while working on a dissertation can potentially lead to more publications and help define the researcher’s growing area of expertise.

See this and this (PDFs)  top-ranking dissertation on ProQuest for good examples.

Who would write a dissertation?

Completion and defense of a dissertation is a standard requirement for doctoral students to earn a PhD or another doctorate such as an EdD or DM. But some specialized degrees, such as a PsyD (Doctor of Psychology), JD (Juris Doctor) or DPT (Doctor of Physical Therapy) may have practice-based requirements in place of a research project, as these courses of study are geared more toward practical application.

Components of a dissertation

A dissertation’s components are generally the same as those of a thesis. You can look at the list above for a thesis to see what typically goes into a dissertation. But, if compared with a master’s thesis, most aspects are longer and more rigorous.

The word count requirements for theses can vary significantly, but doctoral dissertations often range 40,000–80,000 words or, per Harvard , 100–300 pages.

Differences between a thesis and a dissertation

As already touched on, the key differences are in where the two documents are used, length, and rigor. There are also regional differences.

A thesis typically demonstrates a master’s degree program student's grasp and presentation of a specific subject in their field of study. It normally involves a literature review, data analysis, and original research, but it is usually shorter and less comprehensive than a dissertation. The standards for rigor and novelty may also be lower.

A dissertation requires more extensive research, original contributions to the field, and a deeper exploration of the research topic. A dissertation is typically the output associated with a doctoral degree program.

The main differences in structure between a thesis and a dissertation are in the scope and complexity.

The word count requirement for theses and dissertations can vary depending on the institution and program.

A thesis is usually 20,000–40,000 words. However, there have been cases of mathematics dissertations that were only a few pages long!

Doctoral dissertations may range 60,000 to upward of 100,000 words, and exceed 100 pages. Many universities, however, seek around 80,000 words.

Oversight and process

A thesis may simply be submitted to the student's instructor, though rigorous thesis programs require a committee and defense. A dissertation will nearly always require the student to choose a chair, a committee, and then go through a more rigorous defense and revision (if necessary).

• Committee: Master's thesis committees usually have fewer members (typically 2–3) than doctoral dissertation committees (often 4–5, or even more).
• Guidance: Master's students often receive more detailed direction from advisers than doctoral students, who are expected to work more independently.
• Review: Dissertation reviews are typically more rigorous, often involving external reviewers, while thesis reviews are usually internal.
• Defense: A dissertation defense is generally more intense and formal, as it often involves a presentation to the wider academic community, while a thesis defense might be more confined and informal.
• Revision: The revision process for a doctoral dissertation is typically more extensive, given the larger scope of the project and higher stakes involved, compared with those for a master's thesis.

Regional differences

The terms' use varies among (and even within) countries. Here are some general regional differences:

In the United Kingdom, a thesis is commonly associated with both master's and doctoral degree programs. For example, the University College London  refers to a thesis for EngD, MPhil, MD(Res), and PhD degrees. At the University of Nottingham , a dissertation is written for a research master’s degree.

In Australia and New Zealand , “thesis” is generally used to refer to a substantial research project completed for a higher degree, though not limited to a master’s (you’ll find ample references to a “PhD thesis”).

In Latin American countries,  the thesis is commonly used to refer to both master's and doctoral research projects.

Closing thoughts

Both theses and dissertations are necessary documents for students in graduate programs. Despite the differences in expectations, and even in definitions of these papers, the student-author must do a diligent and rigorous job to earn their degree.

Here are a few helpful resources if you want to get into greater detail:

• Writing the Winning Thesis or Dissertation: A Step-By-Step Guide
• 100 PhD rules of the game to successfully complete a doctoral dissertation (PDF)
• Theses and Dissertations: A Guide to Writing in Social and Physical Sciences

Perfect the English on your thesis or dissertation

Whether you’re submitting a thesis or a dissertation, if it’s in English, it should:

• Have no grammatical or spelling mistakes
• Use field-appropriate language
• Concisely and clearly communicate your research.

That’s what AJE expert editors will do for you. Within days, you can receive an expert English edit of your work. The editor will be familiar with your field of study and will comprehensively improve both the language quality and the delivery of your message. Look into AJE English Editing .

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Dissertation vs Thesis: The Differences that Matter

Updated: January 24, 2023

Published: April 26, 2020

As a graduate student, you will have many different types of challenging coursework and assignments. However, the biggest project that you’ll work on when earning your master’s or doctoral degree will be your thesis or dissertation . The differences between a dissertation vs thesis are plenty. That’s because each of these pieces of writing happen at different times in one’s educational journey.

Let’s break down what a dissertation and thesis are so that you have a strong handle on what’s expected. For both a thesis and a dissertation, there is an obvious fluency and understanding of the subject one studies.

Let’s take a look at their similarities and differences.

Photo by  Glenn Carstens-Peters  on  Unsplash

What is a dissertation.

When you enter a doctoral program to earn a PhD, you will learn a lot about how to conduct your own research. At the culmination of your degree program, you’ll produce a dissertation.

A dissertation is a lengthy piece of written work that includes original research or expanded research on a new or existing topic. As the doctoral student, you get to choose what you want to explore and write about within your field of study.

What is a Thesis?

A thesis is also a scholarly piece of writing, but it is for those who are graduating from a master’s program. A thesis allows students to showcase their knowledge and expertise within the subject matter they have been studying.

Main Differences Between a Thesis vs. Dissertation

The biggest difference between a thesis and a dissertation is that a thesis is based on existing research.

On the other hand, a dissertation will more than likely require the doctoral student to conduct their own research and then perform analysis. The other big difference is that a thesis is for master’s students and the dissertation is for PhD students.

Structural Differences Between a Thesis and a Dissertation

Structurally, the two pieces of written analysis have many differences.

• A thesis is at least 100 pages in length
• A dissertation is 2-3x that in length
• A thesis expands upon and analyzes existing research
• A dissertation’s content is mostly attributed to the student as the author

Research Content and Oral Presentation

Once completed, some programs require students to orally present their thesis and dissertation to a panel of faculty members.

Typically, a dissertation oral presentation can take several hours. On the other hand, a thesis only takes about an hour to present and answer questions.

Let’s look at how the two scholarly works are similar and different:

Similarities:

• Each is considered a final project and required to graduate
• Both require immense understanding of the material
• Written skills are key to complete both
• Neither can be plagiarized
• Both are used to defend an argument
• Both require analytical skills
• You will have to draft, rewrite, and edit both pieces of writing
• For both, it is useful to have another person look over before submission
• Both papers are given deadlines

Differences:

• A dissertation is longer than a thesis
• A dissertation requires new research
• A dissertation requires a hypothesis that is then proven
• A thesis chooses a stance on an existing idea and defends it with analysis
• A dissertation has a longer oral presentation component

The Differences in Context: Location Matters

The united states.

In the US, everything that was previously listed is how schools differentiate between a thesis and a dissertation. A thesis is performed by master’s students, and a dissertation is written by PhD candidates.

In Europe, the distinction between a thesis and dissertation becomes a little more cloudy. That’s because PhD programs may require a doctoral thesis to graduate. Then, as a part of a broader post-graduate research project, students may complete a dissertation.

Photo by  Russ Ward  on  Unsplash

The purpose behind written research.

Each piece of writing is an opportunity for a student to demonstrate his or her ability to think critically, express their opinions in writing, and present their findings in front of their department.

Graduate degrees take a lot of time, energy, and hard work to complete. When it comes to writing such lengthy and informative pieces, there is a lot of time management that is involved. The purpose of both a thesis and a dissertation are written proof that you understand and have mastered the subject matter of your degree.

Degree Types

A doctoral degree, or PhD, is the highest degree that one can earn. In most cases, students follow the following path to achieve this level of education: Earn a bachelor’s degree, then a master’s, and then a PhD. While not every job title requires this deep educational knowledge, the salaries that come along with each level of higher education increase accordingly.

Earning Your Degree

Whether you are currently a prospective student considering earning your higher education degree or a student enrolled in a master’s or doctoral program, you know the benefits of education.

However, for some, earning a traditional degree on-campus doesn’t make sense. This could be because of the financial challenges, familial obligations, accessibility, or any other number of reasons.

For students who are seeking their higher education degrees but need a flexible, affordable, and quality alternative to traditional college, take a look at the programs that the University of the People has to offer.

University of the People is an entirely online, US accredited and tuition-free institution dedicated to higher education. You can earn your Master’s in Business Administration or your Master’s in Education . Not to mention, there are a handful of associate’s and bachelor’s degree programs to choose from as well.

If you want to learn more, get in touch with us !

The Bottom Line

Regardless of where and when you earn your master’s or doctoral degree, you will likely have to complete a thesis or dissertation. The main difference between a thesis and dissertation is the level at which you complete them. A thesis is for a master’s degree, and a dissertation is for a doctoral degree.

Don’t be overwhelmed by the prospect of having to research and write so much. Your educational journey has prepared you with the right time management skills and writing skills to make this feat achievable!

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Dissertation vs Thesis: Your 2024 Guide

If you’ve been thinking about going to graduate school, you may be familiar with the application requirements, rigorous academic schedule, and thesis or dissertation you’ll be expected to complete. So, what exactly is the difference between a thesis and a dissertation? While there are similarities, there’s a clear difference between the two. In our guide, we compare dissertation vs thesis. Discover more about both – and what you can expect during your graduate program. Let’s get started!

• Table of Contents

What Is a Thesis?

A thesis is an academic paper or project that’s completed towards the end of a master’s degree program . It is typically completed as the capstone project , meaning it’s the final project required for a student to graduate.

Students need to select a narrow, specific topic within – or relating to – their field of study. Once they’ve selected a topic, students must conduct an in-depth review of existing research on their chosen subjects. The next step is to formulate an academic argument, an assertion they’ll need to support or prove with said research.

Therefore, a thesis is akin to an in-depth research paper. It’s comprised of research that essentially proves what a student has learned during their program.

What Is a Typical Thesis Structure?

A thesis generally follows a rigid structure that’s decided by the program, department, or university. Here is an example of a thesis structure:

• The Title Page
• Summary of Thesis Abstract
• Table of Maps and Figures
• The Thesis Body (Sometimes divided into chapters)
• The Results or Conclusion

Who Needs to Complete a Thesis?

Most master’s degree programs require students to complete a thesis. While some undergraduate programs may also require a thesis, these are generally shorter and narrower in scope.

Some programs will also require a master’s student to defend their thesis in front of a panel or committee.

What Is a Dissertation?

What is “the PhD paper” called? Some people refer to it as a PhD thesis, but it’s most commonly known as a dissertation in the US. Dissertations are the capstone project required at the tail end of a PhD program . It is almost always required, except for a select few one-year PhD programs .

Much like a thesis, dissertations are also academic papers that aim to prove a student’s expertise – while adding to the current body of knowledge – in their field. Thus, a student must look at existing research and conduct their own research .

Basically, it’s the magnum opus of a doctoral journey in the United States. A dissertation isn’t just a long research paper; it’s a beast of a project. It demands extensive research, originality, and the ability to make a meaningful contribution to your chosen field. Think of it as a research odyssey guided by a seasoned mentor. Once you’ve conquered this scholarly quest and defended your findings, you’ll proudly emerge with your hard-earned doctoral degree, a testament to your dedication and scholarly prowess.

A dissertation typically comes after a PhD student completes their required courses and passes their qualifying exams. In some programs, the dissertation process is embedded into the coursework. In such cases, students receive a jump start on their work, allowing them to potentially finish their program earlier.

What Does a Dissertation Do?

PhD candidates must present a new theory or hypothesis. Alternatively, they must present their research to question (or disprove) the existing accepted theory on their chosen subject. Students may choose to tackle their topic from a new angle or take their research in a different direction.

Most programs will require students to defend their dissertations. During the defense, candidates must be able to justify the methodology of their research and the results and interpretation of their findings. Defenses are typically oral presentations in front of a dissertation committee , where the students are asked questions or presented with challenges.

Although the defense may seem daunting, PhD students work closely with their advisors to prepare for their dissertations. Students receive feedback and advice to guide their dissertations in their chosen direction.

What Is the Typical Dissertation Structure? 

Dissertations follow a rigid structure typically set by the program, department, or university. Here is an example format:

• The Acknowledgments Page
• The Abstract
• Introduction
• The Literature Review & Theoretical Framework
• The Methodology
• Findings/Results
• Discussions of the Findings, including analysis, interpretation, and applications
• The Conclusion
• List of References
• Any Appendices

What Is a Doctoral Thesis?

A doctoral thesis is a substantial piece of scholarly work that marks the pinnacle of a doctoral degree program, such as a PhD. Think of it as the academic grand finale. Its primary mission? To showcase the candidate’s mastery in their chosen field and their knack for delving deep into research.

In a nutshell, a doctoral thesis is a mammoth project that calls for originality. You’ve got to dig, investigate, gather data, crunch numbers, and present real data-supported findings. All this hard work usually happens under the watchful eye of a knowledgeable mentor. Once you’ve conquered this scholarly mountain and defended your thesis successfully, you’ll be proudly awarded your well-deserved doctoral degree. It’s the hallmark of your expertise and contribution to your field.

And how does a doctoral thesis differ from a dissertation? That’s mainly a geographic explanation. While they’re largely similar in scope and purpose, when comparing a doctoral thesis vs. a dissertation:

• A dissertation is the PhD capstone requirement in the US .
• A doctoral thesis is the PhD capstone requirement in Europe .

Related Reading: The Easiest PhDs

Dissertation vs. Thesis: The Similarities

In the master’s thesis vs dissertation discussion, there are plenty of similarities. Both are lengthy academic papers that require intense research and original writing. They’re also capstone projects which are completed at the tail end of their respective programs.

Students must work closely with their respective committees (e.g., faculty members, advisors, professionals) who provide feedback and guidance on their research, writing, and academic arguments. Both thesis and dissertation committees have a committee chair with whom the students work closely.

In some ways, the requirements for theses and dissertations are quite similar. They require a skillful defense of a student’s academic arguments. What’s more, both papers require critical thinking and good analytical reasoning, as well as in-depth expertise in the chosen field of study.

Students must also invest a significant amount of time into both projects while also being able to accept and action feedback on their work.

Dissertation vs. Thesis: The Differences

What are the differences between a PhD dissertation vs. thesis? The first and most distinct difference is the degree program requiring a PhD dissertation or thesis. A dissertation is typically the capstone project for a doctorate, while a thesis is the capstone project for a master’s degree program (or undergraduate program).

Candidates will have to defend their dissertation during an oral presentation in front of their committee. Only some master’s theses require this.

During a thesis, students typically conduct research by reviewing existing literature and knowledge on their chosen subject. During a dissertation, students must do their own research and prove their theory, concept, or hypothesis. They should also expect to develop a unique concept and defend it based on the practical and theoretical results achieved from their rigorous research.

Theses are also typically shorter (around 40 to 80 pages). Dissertations, however, are much longer (between 100 and 300 pages). Of course, the actual length of the paper may depend on the topic, program, department, or university.

Related Reading : PhD Candidate vs Student: What’s the Difference? 

Dissertations and Theses: US vs. Europe

Whether you’re in the US or Europe, dissertations and theses are similar. However, European requirements and conventions differ slightly:

Doctoral Thesis

To ensure your PhD graduation, a dissertation is generally required. Doctoral theses in Europe are much like a PhD dissertation in the US : You must complete your own research and add to the existing body of knowledge in your field.

Master’s Dissertation

It may seem odd to require a dissertation for master’s degree programs, but in Europe, this is exactly what you’ll need. A master’s dissertation is a broader post-graduate program research project , though it’s most typically required for master’s programs.

Frequently Asked Questions

Here are a few of the most common questions we hear about the meaning of thesis vs. dissertation.

Is a Thesis and a Dissertation the Same?

Yes and no. In some ways, a dissertation and a thesis are the same. For example, both require original writing, critical skills, analytical thinking, plenty of research, and lots of academic effort. However, a thesis is more commonly reserved for master’s – and some undergraduate – programs. Dissertations are generally required by PhD programs in the United States.

Additionally, a thesis typically calls for heavy research and compilation of existing knowledge and literature on a subject. A dissertation requires candidates to conduct their own research to prove their own theory, concept, or hypothesis – adding to the existing body of knowledge in their chosen field of study.

How Long Is a Thesis vs. a Dissertation?

One of the primary differences between thesis and dissertation papers is their length. While a thesis might be anywhere from 40 to 80 pages long, a dissertation can easily run from 100 to 300. It’s important to note that these numbers depend on the specific program and university.

Does a PhD Require a Thesis or a Dissertation?

It all depends on where you are! While a US-based PhD requires you to complete a dissertation, a thesis (or “doctoral thesis”) is more commonly required for PhD candidates in Europe. In the US, a thesis is more commonly reserved for master’s degree programs and occasionally undergraduate programs. In Europe, a “master’s dissertation” is typically required for the completion of a master’s degree.

So, there you have it: an in-depth comparison of the dissertation vs. thesis academic requirements. Now that you know the primary similarities and differences between the two, it might become easier to decide your academic path. Just remember, you may be able to find a master’s program without a thesis or a doctorate without a dissertation requirement if you prefer. Good luck!

Are you ready to jump into your doctorate? Find out if you need a master’s degree to get a PhD .

Chriselle Sy

Chriselle has been a passionate professional content writer for over 10 years. She writes educational content for The Grad Cafe, Productivity Spot, The College Monk, and other digital publications.  When she isn't busy writing, she spends her time streaming video games and learning new skills.

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What is the Difference Between a Dissertation and a Thesis?

Find your perfect postgrad program search our database of 30,000 courses.

And to make it even more confusing, some institutions or departments will even use the terms differently!

But what are we all really talking about when we refer to a dissertation or a thesis? And does the term you use actually impact on what you actually end up writing?

This article covers the main differences between a dissertation and thesis, and how the terms may differ depending on the course, university and location.

What is a dissertation?

A dissertation is a piece of academic writing centred around original research. In their dissertations, students review existing research but also build on this with unique hypotheses and approaches.

A dissertation can be used to disprove a previous theory or take existing theories and research in a new direction. It is a large research project that is usually completed at the end of the academic year.

Usually, a dissertation starts with a dissertation proposal , which is approved by a study supervisor. The student then completes the research and writes up the methodology , findings, evaluations and conclusions from the research.

Dissertations can be undertaken by both undergraduate and postgraduate students. At undergraduate level the word count is around 5,000 to 8,000 and at postgraduate level it is usually 10,000 to 15,000.

What is a thesis?

A thesis is an academic paper covering an in-depth review of existing research in a particular discipline. It will involve an academic argument, although it doesn’t usually require original research from the student. The existing research is used to support and evaluate the proposed argument.

A thesis is not usually required at undergraduate level and is more common at postgraduate level.

This large piece of written-up research is usually completed at the end of a masters degree. Some masters courses require a thesis to graduate.

Differences between a dissertation vs thesis

The main purpose of a writing a dissertation is to add new findings to the existing literature in that field with original research. Whereas theses tend to evaluate existing findings, as their purpose is to demonstrate knowledge and skills within the course’s subject matter.

In terms of how long it takes to complete a thesis or dissertation project, a thesis is typically shorter than a dissertation since there are fewer original research aspects involved. This means that it will probably take less time. However, this can differ depending on the university and the course.

Dissertations sometimes require an oral presentation, known as a viva , where findings are showcased to academics who ask questions about the research. Theses usually do not require this.

The root of the words 

The word ‘dissertation’ originates from the Latin word ‘dissertare’, meaning to continue to discuss and the Latin word ‘disserere’ which means to examine and discuss .

The word ‘thesis’ originally comes from the Greek word ‘tithenai’, which means to place or position. This later evolved into the Latin ‘thesis’, which had two meanings: an abstract question and to put something forward .

Similarities between a dissertation vs thesis

Although there are some key differences between a dissertation and a thesis, there are also similarities.

• Both are generally long pieces of academic writing, much longer than a typical essay.
• Both explore a topic in depth, whether you are conducting totally unique research or structuring an argument based on existing research.
• Both are considered a final project and usually required to graduate from a degree, masters or PhD. Students can graduate without a thesis or dissertation if they choose to complete a postgraduate diploma or postgraduate certificate instead.
• Excellent academic writing skills are highly important for both types of research project.

Is a dissertation harder than a thesis?

Though, the difficulty of a thesis or dissertation depends on your personal skill set. For instance, students that learn better by developing their own research ideas may find a dissertation easier than a thesis.

Difficulty can also depend on the level of the course. For instance, a thesis completed at doctorate level is likely to require more advanced knowledge than a thesis at undergraduate level.

The difficulty of either type of research project can also vary depending on the subject matter and the resources available to you.

Both dissertations and theses can be challenging, but don’t be put off by the thought of having to produce a larger body of work. Your supervisor will be there to support you.

Definitions depend on where you are

The terms ‘dissertation’ and ‘thesis’ are sometimes used interchangeably, and the meanings can differ depending on the country and university.

There are plenty of differences between the variant forms of English, such as British English and American English. Around the world, different English-speaking countries use the words ‘dissertation’ and ‘thesis’ differently. 

Generally, nations with British-based academic systems of university education use dissertation to refer to the body of work at the end of an undergraduate or masters level degree . British-based institutions generally use thesis to refer to the body of work produced at the end of a PhD . 

In countries and institutions that are based on the American system of education, the words tend to be used in reverse. However, institutions and even different departments in the same university can use the words differently. 

If you're in doubt, then stick with the way the university and department you're currently attending use the terms. 

Definitions can depend on the subject

In the UK, the terms ‘dissertation’ and ‘thesis’ are generally applied equally across institutions and subjects. 

However, in the US the meanings can differ between different subject areas. The term ‘thesis’ can be used to describe a piece of original research in US academia, whereas original research is usually referred to as a dissertation in the UK. 

If you’re studying in the US , you may complete a thesis at masters level in another subject area that involves wide-ranging reading and understanding rather than original research and still call it a thesis.

With so much interchangeability between the two terms, it’s understandable that there is often confusion in the debate between a dissertation vs thesis, as there is no clear answer. 

Always read specific course details to understand exactly what’s involved in the research project that you are required to produce.

Examples from US and UK universities

Georgetown University in the US refers to a dissertation and a thesis as both adding to your 'field of knowledge' . The University of Edinburgh recommends that you refer to your individual course handbook for guides to dissertations, so each department will have their own guidelines to using the word dissertation and thesis. At University College London they refer to a thesis as the piece of work at the end of an EngD, MPhil, MD(Res) or PhD, which are all research degrees. 

In conclusion

Ultimately, it doesn't really matter which word you use as both refer to a serious and lengthy piece of work where you can show what you have researched and understood as part of your postgraduate studies.

As long as you are referring to the piece of work that you are compiling in the same way as those in your department then you will avoid confusion.

It is important to check whether the research piece involves original research or expects you to build upon existing research.

Writing a dissertation or a thesis requires a substantial amount of planning and work and you don't want to let yourself down at the last hurdle with poor presentation of your work, so always keep an eye on your course or department guidelines.

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Masters Thesis vs. PhD Dissertation: Key Differences

Whether you are a graduate student just starting out in academia or a professor advising a student, making the distinction between a dissertation and a thesis is critically important to writing a strong dissertation and becoming a stronger writer. Unfortunately, the difference remains unclear since the terms are used interchangeably by graduate students, doctoral researchers, academic publishers & universities.

If you’re not sure whether you’re writing a thesis or a dissertation, this article will help you understand the differences between the two whether you’re a PhD or master’s degree student.

Main Differences Between a Dissertation and a Thesis

While theses and dissertations share many similarities (they are both advanced graduate research papers), they actually refer to two different types of academic writing, and their differences include important concepts such as scope, purpose, length, and research requirements.

Most importantly, the difference between a thesis and a dissertation depends on the level of education. Far beyond being a simple essay, a thesis is for graduate students pursuing a master’s degree while a dissertation is written by doctoral students, also referred to as PhD candidates.

There are a few key differences between a thesis versus a dissertation.

The biggest difference between a thesis and a dissertation is that a thesis makes arguments based on existing research. Meanwhile, a dissertation often requires the PhD candidate to conduct research and then perform an analysis.

More specifically, a thesis often takes the form of a literature review , which is a compilation of research knowledge in a particular field of study that proves one is competent in that subject. On the other hand, a dissertation is a more specific type of research paper written by those working toward a specific doctorate degree that contributes knowledge, theory, or methods to a field of study.

What is a master’s thesis?

A master’s thesis is an academic research paper that requires a greater degree of research than an undergraduate thesis or term paper. It is marked by a higher standard of writing, and students are expected to demonstrate competence, literacy, and mastery of a subject. It usually takes two or three years to complete. Finally, a master’s degree thesis is usually written in order to obtain a research degree and is not intended to be published separately.

What is a PhD dissertation?

A PhD dissertation is a substantial piece of independent research that is required of all students who are pursuing a doctorate degree. It is a piece of original work that has not been published elsewhere and, most importantly, makes a new contribution to the field. This contribution may be a new way of thinking about an existing topic or even a novel theory. The research performed for a dissertation is usually conducted over a period of several years to half a decade.

Features of a Master’s Thesis vs PhD Dissertation

Content and structural differences.

So how is dissertation writing different from thesis writing?

Now that you know the definitions of a dissertation and thesis, let’s dive into some clear ways in which they differ in structure and other main characteristics.

How long is a thesis vs dissertation?

Length is the most obvious factor in differentiating between writing a thesis or dissertation. 

Generally, a doctoral dissertation has greater breadth, depth, and intention than a master’s thesis since it is based on original research. While the standard length of a master’s thesis is around 100 pages , a doctoral dissertation can be upwards of 400-500 pages. 

While most students can finish their PhD dissertation or thesis in as little as 1-2 years, it can take as long as 7 years depending on the school, program, and dissertation topic. As doctoral programs have their own formatting requirements, check with your school or university to find out what you need for your own dissertation or thesis. Most dissertations are organized into chapters, but the number of chapters varies as well.

Differences in research methods

A thesis and dissertation are both graduate-level research reports. This means they require students to investigate and report on a specific topic. But what is the difference in the scale of research between a master’s versus doctoral degree? The answer comes down to how much and what type of data you collect .

Data sources for a thesis vs dissertation

A master’s thesis is limited to secondary or reported knowledge . This knowledge has already been published, analyzed, and scrutinized in the literature. A thesis does not typically offer anything new in that regard. Your purpose is usually to write a comprehensive literature review on a novel or underreported topic using already-reported data.

On the other hand, a doctoral dissertation reports on  novel data  and is published so it can be scrutinized by others. It culminates in your dissertation defense.

The above lists clearly show that a PhD researcher and dissertation writer must have specific hands-on experience about not only the result of others’ research but also how the researchers obtained the data. A dissertation must venture into criticism of how other studies performed their experiments, whereas a master’s student will only report on and evaluate the results.

Differences in research scope 

As mentioned above, a thesis is more of a literature review written to demonstrate competence and mastery of a field of study. In short, you are a reliable “reporter” of information related to that subject. A thesis shows that you know the technical jargon, understand the subject, are familiar with industry tools, and can translate that information to a general audience. This is why a master’s degree is sufficient and often preferred for industry jobs.

In contrast, a doctoral dissertation goes beyond simply using the building blocks of your subject and actually creates new tools, knowledge, and theories to advance the subject as a whole. If a master’s degree holder is like a seasoned Rolling Stone journalist, then a doctorate is the band/musician who actually makes the music.

So should you pursue a thesis or a dissertation?

The benefits of earning a graduate degree are huge. According to the US Census Bureau , those with an advanced degree earn 3.7 times as much as a high school dropout, and 13.1% hold a master’s, professional, or doctorate degree. If you’re a curious undergraduate student thinking of applying to graduate school, which is the right choice?

In short, a dissertation is more focused and in-depth than a thesis. While a doctoral dissertation is based on original research, a thesis is often an extension or review of others’ research in order to demonstrate literacy. Further, a dissertation can be used as the basis or subject of a thesis, but not vice versa.

Editing a Dissertation vs Thesis

So far, we’ve focused a lot on differences such as research and purpose, but in the end, a thesis or dissertation is a written document that requires skill, focus, discipline, subject knowledge, organization, and scheduling. 

For non-native English speakers, the challenge is especially difficult since English is the lingua franca of academia and research. 

How does an editing service improve your dissertation or thesis ?

From body spacing and pagination, to font size and citation formatting, the dissertation guidelines are exhaustive. Even worse, they vary by school. So besides the actual English writing and grammar, graduate students must worry about consistency, formatting, nomenclature, and terminology. That’s quite the burden!

This is why it’s very common for graduate students, especially ESL and foreign ones, to seek out dissertation editing services that specifically cater to the academic needs of researchers and students.

Here are just a few reasons why dissertation proofreading is so helpful and what these editors do:

• Correct grammar, punctuation, syntax, and structural errors
• Offer suggestions to rewrite, remove, and revise writing
• Ensure formatting and nomenclature are consistent
• Knowledgeable academic editors with master’s and PhD degrees
• Free up your time to focus on research, revisions, and content instead of looking for mistakes
• Provide a  language editing certificate , which may be necessary for non-native English-speaking students

Lastly, most PhD advisors recommend that students seek out professional editing services , specifically thesis editing or dissertation editing , since professors prefer to assess the actual research content of a dissertation, not mundane writing errors. Any graduate student reading this knows professors don’t like their time to be wasted! 

Be sure to check out other academic resources on how to improve your academic manuscript and the benefits of proofreading and editing.

And try the Wordvice FREE Citation Generator, which provides citations for four academic formatting styles:  APA Citation Generator , MLA Citation Generator , Chicago Citation Generator , and Vancouver Citation Generator .

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Published by Nicolas at January 17th, 2024 , Revised On January 23, 2024

Dissertation Vs Thesis: How Are They Different

Dissertation vs thesis! What are you writing? 

Table of Contents

Many graduate students from universities in Canada often get confused and mix both terms. While these terms are often used interchangeably, they carry distinct meanings and purposes in academia. Read this blog to fully understand the difference between a thesis and a dissertation. 

What Is A Dissertation

A dissertation is a substantial piece of academic writing typically required to complete a doctoral degree (such as a Ph.D.). It represents an original and significant contribution to the field of study and is usually the culmination of several years of research and study.

What Is A Thesis

A thesis is a scholarly piece of writing, usually at the master’s or undergraduate level, that presents an original research question, methodology, and findings. It represents the culmination of a student’s academic work and demonstrates their ability to contribute to the field of study.

The Evolution Of Dissertation Vs Thesis

The history of the thesis and dissertation dates back several centuries, and the evolution of these academic documents reflects changes in scholarly practices, educational systems, and the expectations of advanced degree programs. 

Medieval Origins

The concept of a scholarly thesis has roots in medieval universities. In the 12th and 13th centuries, institutions like the University of Paris introduced the practice of disputations, where students defended their theses in a public forum. These early theses were often theological or philosophical in nature.

Renaissance And Early Modern Period

During the Renaissance, the practice of defending theses continued to evolve. The 16th and 17th centuries saw an increasing emphasis on empirical observation and scientific inquiry. The thesis became more diverse, covering topics in natural philosophy, mathematics, and other emerging disciplines.

18th And 19th Centuries

The 18th century marked the formalization of the thesis as a requirement for academic degrees. Universities started to mandate the submission of a written document along with the oral defence. This practice became more standardized in the 19th century as universities across Europe and North America adopted similar academic norms.

Evolution Of The Dissertation

The term “dissertation” has its roots in the Latin word “dissertatio,” meaning “discussion.” Dissertations, as we understand them today, emerged in the 19th century, primarily in German universities. Doctoral candidates were required to produce substantial research demonstrating their ability to contribute original knowledge to their field.

20th Century

The 20th century saw a global expansion of higher education and an increase in the number of doctoral programs. The thesis and dissertation became integral components of graduate education worldwide. The structure, format (eg, APA or MLA ), and expectations for these documents varied among disciplines and institutions.

Electronic Theses And Dissertations (ETDs)

With the advent of digital technology in the late 20th century, there was a shift toward electronic submission of theses and dissertations. This made research papers more accessible and facilitated the dissemination of knowledge. Many universities now require the submission of ETDs.

Contemporary Trends In Dissertation Vs Thesis

In the 21st century, the thesis and dissertation continue to evolve. Educational institutions are adapting to new forms of scholarship , interdisciplinary research, and varied modes of dissemination. The focus is often on producing high-quality, original research that contributes significantly to the academic community.

What Is The Difference Between A Dissertation And A Thesis 

Thesis vs dissertation: length and depth.

One of the key differences between a thesis vs dissertation lies in their length and depth of research:

Theses are typically shorter in length, ranging from 50 to 100 pages, depending on the institution and program requirements. The research conducted for a thesis is expected to contribute to the existing literature but may not need to be as exhaustive as that of a dissertation.

Dissertation

Dissertations, being the pinnacle of doctoral research, are substantially longer, often exceeding 100 pages and sometimes reaching several hundred pages. Doctoral candidates are expected to delve deeply into their chosen topic, conducting extensive research and offering a unique contribution to the academic community.

Dissertation Vs Thesis: Scope And Purpose

Another significant distinction between a dissertation vs thesis is the scope and purpose of the research:

The primary goal of a thesis is to demonstrate a student’s understanding of the subject and their ability to conduct independent research within a defined scope. A thesis is often more focused and may be an exploration or analysis of a specific aspect of a broader topic. For example, a finance thesis could be about any topic within the subject. 

Dissertations, being doctoral-level projects, have a broader scope. Doctoral candidates are expected to make an original and substantial contribution to the field, advancing existing knowledge and addressing gaps in the current literature. Dissertations often involve more extensive data collection, analysis, and synthesis of information.

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Dissertation Vs Thesis: The Similarities

While there are distinct differences between a thesis vs dissertation, they also share several similarities, reflecting their common purpose within academic research papers . Here are some key similarities between a dissertation and a thesis.

Research Component

Both dissertations and theses involve original research and scholarly inquiry. Students are expected to engage in a systematic investigation of a chosen topic, demonstrate a deep understanding of existing literature, and contribute new knowledge or insights to their field.

Academic Rigour

Both documents adhere to high standards of academic rigour and integrity. They require meticulous attention to detail, adherence to citation and referencing styles, and a commitment to intellectual honesty.

Formal Structure

Dissertations and theses typically follow a formal structure, including elements such as a thesis statement , an introduction, a literature review, methodology, results, a discussion, and a conclusion. This structured format ensures a comprehensive presentation of the research.

Faculty Guidance

In both cases, students work closely with faculty advisors or mentors throughout the research process. Advisors guide research design, literature review, data analysis, and other aspects of the project.

Oral Defense

A commonality between dissertations and theses is the requirement for an oral defence. In many academic institutions, students must defend their research findings before a committee of faculty members. This defence allows students to articulate their research methods, results, and conclusions, while also responding to questions and critiques.

Degree Requirement

Both a thesis and a dissertation serve as a crucial component for the completion of an academic degree. Thesis is typically associated with master’s programs, while dissertations are a requirement for doctoral degrees. In both cases, successfully completing the research project is essential for obtaining the respective degrees.

Contribution To Knowledge

Whether a thesis or a dissertation, the primary goal is to contribute to the existing body of knowledge in a particular field. Both documents aim to advance understanding, address gaps in the literature, and offer meaningful insights that can inform future research.

Literature Review

A comprehensive literature review is a common element in both dissertations and theses. This section provides context for the research by summarizing and critiquing relevant scholarly works, helping establish the rationale and significance of the study.

Frequently Asked Questions

What is the difference between a dissertation and a thesis.

A thesis is a shorter, master’s-level research document demonstrating mastery of a subject. A dissertation, typically for a doctoral degree, is longer and requires a more extensive, original contribution to the field.

What is the difference between a master thesis and dissertation?

A master’s thesis is a shorter research document showcasing mastery of a specific subject. A dissertation, associated with a doctoral degree, is more extensive, requiring a substantial, original contribution to the field.

Are thesis and dissertation the same thing?

No, a thesis and a dissertation are not the same. A thesis is a research document associated with a master’s degree, demonstrating mastery of a subject. A dissertation is a more extensive research document required for a doctoral degree, emphasizing original contribution to the field.

Where to find thesis and dissertations?

There are several online sources that can help you in finding the perfect thesis and dissertation for your research. ResearchProspect Canada is one of the leading and trustworthy brands, helping students achieve academic excellence.

What is electronic thesis and dissertation?

An Electronic Thesis and Dissertation (ETD) is a digital version of a student’s thesis or dissertation. It is submitted and stored electronically, allowing easy access, distribution, and archiving, reflecting the shift towards digital formats in academia.

How to cite theses and dissertation?

To cite theses and dissertations, follow the citation style specified by your academic institution or the preferred style guide (e.g., APA, MLA, Chicago). Include author, title, publication year, institution, and retrieval information for online sources, ensuring consistency and accuracy.

How to cite pro quest dissertation and theses APA?

To cite a ProQuest dissertation or thesis in APA format, use the following template: Author, A. A. (Year). Title of dissertation/thesis (Publication No.). ProQuest Dissertations and Theses Global. Include the ProQuest publication number for online sources.

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Difference between a research paper, dissertation & thesis

When it comes to writing academic papers, students should have the right skills if they must succeed. Whether it is doing a weekly essay assignment, crafting a term paper, or doing research, the best learners are those who have mastered the art of literary composition. You should also note that understanding how each school paper differs from the other puts you ahead of the pack. Most of the schools, universities and institutions require you to undertake research at some point or another in form of coursework .

Often, students mistake research for term papers or thesis for dissertations. The worst-case scenario is when instead of writing a thesis; you end up with a dissertation paper. Such is an occurrence that often denies students marks. And so, the big question we want to answer in this post is what the differences between research, dissertation, and thesis are? Keep reading to learn more.

First things first note that variations between different types of academic papers could be in the form of writing style , definition, presentation of arguments, not to mention the purpose of writing and level of academia.  You should not expect high school students, for example, to partake in thesis writing. But when it comes to writing research papers, it can happen at any level of academia right from high school through college and university.

Note: There are differences in how these terminologies are used. In few countries they are used interchangeably, while in other countries thesis is related to bachelor’s or master’s degree course and dissertation is used in the context of a doctorate degree, whereas in some countries the reverse is true. For example, in Indian context, PhD students are required to submit a “thesis” whereas M. Phil students are required to submit a dissertation. Thesis is considered to be much longer form of research which is opposite in case of USA.

Differences based on the definition

Definitive differences between academic papers simplify things for a college newbie yet to write his or her academic paper. Now, on defining the thesis, research and dissertation, the following are worth noting:

• A research paper refers to a piece of literary composition, often a class requirement. The most notable aspect of research papers is that before you craft them, you must gather knowledge independently. After collecting data and information, students then put together findings in a descriptive format. Learners must also present their arguments based on their evaluation of a subject under study. A good research paper opens the gates to advanced academic writing which will involve the implementation of findings.
• A dissertation is a paper that students write as a requirement for the conferment of a diploma or degree. In some countries, Ph.D. students also write dissertations.
• A thesis is a paper students craft as a requirement for a degree at college or university level. You do realize that all the three types of academic papers lead to something, often an academic qualification that would see one earn a degree or get admitted to the next level of academia.

Length of paper and methodology

While the methodology of writing these papers is similar, often constituting sections such as introduction, abstract, literature review, research method, presentation/finings, discussions, conclusion and recommendations, the length of each paper does vary. Research papers and dissertations are generally long. However, thesis papers tend to be short hence requiring less time to write. Dissertations and research require a comprehensive study of a study and gathering information/data. You, therefore, spend more time on them before and during writing. You may even use an editing service to help you research, write, and proofread your dissertation properly.

Differences based on knowledge inference and hypothesis

A hypothesis is an educated guess. Before you conduct a study, assumptions have to be made that something will turn out in some way. Most importantly, how the outcome will impact a population informs the construction of a hypothesis/thesis statement. In research and dissertation writing, students must exhibit a rigorous understanding of a subject based on a study. It is on this premise that they must come up with/infer a meaningful conclusion. However, when writing thesis papers, the formulation of a hypothesis comes after researching and writing on a subject.

Differences based on the approach

How students go about crafting research, dissertation and thesis is another way of differentiating the three papers. In writing research and dissertation papers, students must use existing pieces of literature to back their findings. However, thesis papers more often rely on existing research work to prove a point. You can, for example, sample different research papers on climate change to prove your study on the same. Ostensibly, you are using existing and published academic papers to ascertain that phenomena or a problem exist.

Mode of publication and utilization

You should also note that academic papers exhibit differences based on the reason for which they get published and also how people use them. Dissertation papers are like complete and newly published books given their voluminous nature. You could refer to yours as an academic book. It makes you a published author. However, thesis and research work are like articles that shed light on a subject but not as comprehensively as dissertations.

Differences based on the level of academia

While students can write research papers at any level, they are most common at the undergraduate level. Completion of a research paper often leads to the conferment of an undergraduate degree. And when it comes to writing dissertation papers, the bargain is qualifying for a master’s degree, thusly; postgraduate, Mphil or MBA.  It means if you are not writing a dissertation to obtain a postgraduate degree, you do so as a means of enrolling in a postgraduate program. Thesis papers lead to the conferment of a Ph.D. degree or a doctorate as some scholars call it. Students who write thesis papers do so within the last two years of their academic life.

Final Thoughts

Many factors distinguish academic papers. But regardless of the methodology or purpose of these papers, the most important thing is that students showcase their literary skills. Moreover, academic paper tests the knowledge of students on different issues and subjects. Whether it is writing about how past events led to present-day situations or how human activities will lead to something happening in the future, knowledge dispensation helps societies grow.

In the interest of time, research work involved in crafting academic papers is meant to unearth critical findings on a subject and provide solutions to an existing problem. As a rule of the thumb, students who write research, dissertation or thesis papers must demonstrate their understanding of the society and problems that bedevil it. It is through doing so that recommendations for solving a problem become trustworthy, dependable, acceptable and applicable. Most importantly, learners must meet a set academic threshold before writing the above papers.

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The Difference between an Essay and a Thesis

There's a reason you won't be asked to write multiple theses for one class or even in one academic year. While you definitely need to have some knowledge on a topic to write an essay, writing a thesis requires you to become an expert on your topic. In other words, a thesis is a lot of work.

What to Include?

An essay should include an introduction that includes a thesis statement, which is one sentence that summarizes the writer's purpose or point, just as a full thesis does. An essay will then traditionally include three or more body paragraphs with topic sentences that elaborate on the point and a conclusion paragraph that explains how the points made in the body of the essay prove the writer's thesis statement.

Most essays can and do include outside arguments from written pieces of work to help support the writer's conclusions. A short bibliography, or works cited page, should be included at the end of an essay that refers to or quotes other written works.

A thesis traditionally includes an abstract as well as an entire section of several paragraphs that introduce the writer's topic and the outside works a writer will be analyzing to reach their conclusions. The introductory section is followed by a body of writing that examines prior written works on the topic and proposes how to look at the topic from a new angle. A final section should both summarize the points made and explain how the thesis writer synthesized those prior works to form the new and original conclusion the thesis writer has reached on that topic.

An average essay is anywhere from one to five pages long. Five to seven paragraphs, including the introduction and conclusion paragraphs, are sufficient for an essay, although some are longer.

The average thesis for an undergraduate writer is 40 to 60 pages long and an average graduate or doctoral thesis is between 60 to 100 pages.

What's the Point?

The point of an essay can be to tell a story, describe an event or other topic, persuade a reader to agree with a certain viewpoint, or relate information in a strictly factual way.

The point of a thesis is to look at information in a new way and present a comprehensive look at how the topic has been analyzed before. A thesis uses the knowledge learned from an entire college program to create an expert opinion that can be fully explained and supported.