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Dissertation vs Thesis: The Differences that Matter

Updated: January 24, 2023

Published: April 26, 2020

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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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What is the Difference Between a Dissertation and a Thesis?

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What is the difference between a thesis and a dissertation

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

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?

Dissertation vs 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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Dissertation vs Thesis: Your 2024 Guide

Chriselle Sy

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 .

difference between thesis & dissertation

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.

difference between thesis & dissertation

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 .

difference between thesis & dissertation

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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difference between thesis & dissertation

  • February 8, 2024
  • Academic Advice , Education Advice

Dissertation vs Thesis: Understanding the Key Differences

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dissertation-vs-thesis

Embarking on an academic journey often involves deciphering the complexities of advanced research projects like dissertations and theses. While these terms might seem interchangeable, they possess distinctive changes in the world of higher education. A fundamental distinction between a thesis and a dissertation lies in their approach to research. A thesis typically involves synthesizing existing research and knowledge in your field, while a dissertation requires conducting original research, addressing research gaps, and making a substantive contribution to the academic domain. 

As you continue your higher education journey in academia, it’s critical to decipher the fundamental differences between dissertation and thesis that set them apart.

What Is a Thesis?

A thesis is a long-term academic research paper that presents an in-depth review of existing research on a specific subject. It requires extensive research, data collection, analysis, and critical interpretation of the findings. Although some undergraduate programs may mandate a thesis, it is more commonly expected in postgraduate studies, such as upon completing a master’s degree . 

What Is a Dissertation?

A dissertation is a longer and more comprehensive research project based on original research. It’s a substantial piece of academic writing required for the completion of a doctoral degree . The dissertation is the culmination of years of research, study, and expertise, contributing valuable insights in a particular field of study. 

dissertation-vs-thesis

Dissertation vs Thesis: Key Differences

Both theses and dissertations serve as culminating projects for program graduation, demanding a profound grasp of the research subject and analytical skills to substantiate findings. Despite these commonalities, significant differences set them apart. The key differences include: 

Academic and Research Requirements

The academic requirements for a doctoral dissertation are clearly defined hypotheses, a detailed methodology section, rigorous data analysis, and a critical discussion of the results in the context of existing literature.

In contrast, the requirements for a master’s thesis include a thorough literature review, methodology, data analysis, and a conclusion that summarizes the findings.

Research requirements are also more extensive for dissertations compared to theses, as they include conducting original experiments and studies.

Length and Complexity

The length of a dissertation or a thesis varies according to the topic and the method of analysis, or it can vary based on the departmental requirements. Usually, a master’s thesis is around 40-80 pages, sometimes up to 100 pages. A dissertation, however, is significantly longer, ranging from 100 to 300 pages and sometimes up to 400. 

Dissertations and theses also vary on the level of complexity. While the thesis requires a thorough literature review and analysis of existing research, it’s less complex than a dissertation. Moreover, the original research is limited, contrary to dissertations involving extensive original research (experiments and studies). 

Research Objectives

The research objectives are an essential component that can guide the research project and highlight the specific goals to achieve. Moreover, they outline the grounds for pursuing a particular topic.

However, they can vary depending on the academic level and the nature of the research. In a master’s thesis, the research objectives usually focus on addressing specific research questions related to the chosen topic, to deepen the understanding of existing theories within the field of study. Contrarily, in a doctoral dissertation, the research objectives are broader and are formulated to address complex research gaps, propose new theories, and contribute to the academic field. 

Timeframe and Milestones

The timeframe depends on internal factors like the student’s work pace and personal circumstances and external factors like the complexity of the subject, availability of resources, and academic level. While we can’t give a definitive answer, it usually takes a couple of semesters or 1-2 years to complete a master’s thesis. On the contrary, a doctoral dissertation is more time-consuming and can take 4-7 years to complete. 

Although there are many similarities between the milestones for completing a thesis and a dissertation, such as topic selection, literature review, and data collection, their differences lie in the higher complexity of doctoral dissertations, including original research, review by the advisory committee, and publication. 

Review and Approval Process

The review and approval process is vital to evaluate the quality of research, analysis, and presentation. Although the overall process is similar for both a master’s thesis and a doctoral dissertation, the scrutiny applied to dissertations is notably more rigorous. For a master’s thesis, a committee of professors or advisors within the university’s department evaluates the thesis for adherence to academic standards, clarity, and coherence. Following the review, approval is granted to the thesis if the evaluators are content with the student’s work. On the other hand, for a doctoral dissertation, the review process includes a committee of experts in the field, often external reviewers, to assess the dissertation’s quality, methodology, and contribution to the academic field. The approval process is more challenging as it may require defending the dissertation orally and answering questions from the committee members and to a broader audience than a master’s thesis presentation.

Potential for Publication

Lastly, one of the main differences between a dissertation and a thesis is the potential for publication. As the dissertation is more extensive and requires original research contributing to the academic field, theses are less likely to be published in a peer-reviewed journal. Although a master’s thesis is more narrowly focused, it can still be published as a single article. In contrast, a doctoral dissertation is generally equivalent to at least three articles. 

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The Scope of Dissertation vs Thesis

While both require extensive research and dedication, the thesis has a narrower scope on a specific topic within the field of study. It aims to illustrate the student’s mastery of the subject matter, ability to synthesize existing research, and ability to present coherent arguments. On the other hand, the dissertation has a broader scope , encompassing a comprehensive analysis of a complex research problem or exploring interconnected topics in the field. It aims to showcase the student’s expertise and ability to conduct original and independent research and contribute new knowledge in the field. 

As we draw the curtain in exploring the factors that differentiate a thesis and a dissertation, it becomes evident that both academic endeavors are crucial in unraveling discoveries. A master’s thesis showcases analytical finesse and a deep understanding of existing theories. And a doctoral dissertation displays new groundbreaking insights, original research, and innovative methodologies. Therefore, while they may have substantial differences, they remain a driving force in shaping the future of academia. 

Frequently Asked Questions (FAQs): What is the main difference between a dissertation and a thesis?

While many factors differentiate a dissertation and a thesis, the main difference is their academic level. A thesis is usually required at the end of a master’s degree program. In contrast, a dissertation is necessary to complete a doctoral degree.

How long does it take to complete a thesis or a dissertation?

The time it takes to complete a thesis or a dissertation depends on the complexity of the research, the availability of resources, and the student’s work pace. Usually, it takes a couple of semesters to complete a thesis at the end of a master’s program. In contrast, completing a doctoral dissertation can take four to seven years.

Is there a difference in the level of research expected in a dissertation vs a thesis?

Although a thesis requires a significant amount of research literature review and analysis of existing studies, a dissertation demands a higher level of original research through identifying research gaps, developing new hypotheses, conducting experiments, and collecting and analyzing data. 

Are there any specific publication or accessibility differences between dissertations and theses?

Yes, there are specific publication and accessibility differences between dissertations and theses. Doctoral dissertations are usually published and made public through university libraries or digital repositories. Whereas a master’s thesis is less frequently published in academic journals compared to doctoral dissertations. Theses are often made available within the university’s library or department.

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What’s the Difference Between a Dissertation vs. Thesis?

If you plan to pursue an advanced degree, you may be wondering about the differences between dissertation vs. thesis projects.

What's the Difference Between a Dissertation vs. Thesis

Most candidates in master’s or PhD programs are required to complete a final project in the form of a thesis or dissertation before graduating.

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Because both a master’s thesis and a doctoral dissertation consist of in-depth research, analysis, and writing, some people use the terms interchangeably. They are separate assignments, though, that are completed at different stages in a student’s academic journey.

What’s the Difference Between a Dissertation vs. Thesis?

students working on their research-based project

Students enrolled in masters degree programs typically write a thesis, whereas doctoral students complete a dissertation.

Although these projects are both research-based and are usually required for graduation, they have different lengths, requirements, and timeframes. Knowing how to distinguish between them is vital for anyone hoping to attend graduate school.

What Is a Thesis?

Woman taking Master's degree, researching for her thesis

A thesis is a scholarly paper that many students write before completing their master’s programs. Most graduate schools require students to submit a thesis that reflects the breadth and depth of their knowledge of the field and demonstrates their advanced research skills.

To create a thesis, students begin by selecting a topic of interest and conducting extensive research in that area. That information serves as the basis for a lengthy paper that describes the student’s position on the subject and presents evidence proving their assertion. Although it’s not common, some undergraduate schools also require students to write a short thesis.

What Is a Dissertation?

Man taking PhD degree, working on his dissertation

A dissertation is a doctoral-level project that is a standard feature of PhD programs. When completing a dissertation, a student will conduct original or expanded research that can contribute to their field and solidify their status as a scholar.

So, what’s a dissertation and how long does it take to write one? Dissertations are often hundreds of pages in length and are completed over several years. They reflect that a student not only understands the current state of the field but also has a unique approach to the subject matter. After writing a dissertation, a student must defend it to a committee and faculty chair, who determine whether it is acceptable.

A number of universities now offer doctorate programs without dissertations but have a capstone project for completion. Common programs are DBA degrees or doctoral programs in education with no dissertation online or on campus.

Differences Between a Dissertation vs. Thesis

Woman writing outlines for her thesis

A dissertation and thesis are distinct in important ways, including:

  • Academic level . A thesis is generally the final project required for a master’s degree. Students complete a dissertation during their doctoral programs.
  • Research requirements . Writing a thesis involves reviewing and compiling information from reputable sources. To complete a dissertation, students must also present new information based on original research.
  • Length . The difference in the length of a PhD dissertation vs. masters thesis is noteworthy. A thesis is typically between 50 and 100 pages in length and is written during the final year of a master’s degree program. A dissertation is generally 100 to 400 pages long and may involve several years of work.
  • Completion process . Students submit their thesis projects to a group of two or more faculty mentors. Dissertation projects culminate with an oral defense, where the student answers questions from a committee of various faculty members.

The difference between dissertation and thesis projects depends on where you’re studying. For instance, in the United Kingdom, master’s students complete a dissertation, and PhD students write a doctoral thesis.

Similarities Between a Thesis vs. Dissertation

Man writing his dissertation

Much like the similarity between a dissertation vs. capstone , a thesis is usually accomplished as a partial requirement for an academic degree. A thesis and a dissertation usually share these common features:

  • Purpose . Thesis and dissertation projects are designed to indicate whether a student is ready to graduate.
  • Required skills . To successfully write a dissertation or thesis, students often have strong writing, analytical, research, and editing skills.
  • Process . To complete either project, students select a focused research area, review existing sources, and write a long paper summarizing their findings and analysis.
  • Expectations . Students cannot commit plagiarism or act unethically.
  • Benefits . Completing a thesis or dissertation helps students gain a more thorough understanding of their field, narrow down their career goals, and demonstrate their achievements.

If you intend to complete a doctoral dissertation, you may have the opportunity to expand on the research from your master’s thesis or select a new area of interest.

Theses and Dissertations

Friends researching together for their theses

There may be a difference between a thesis and a dissertation in terms of when students complete them, how long they are, and what type of research they involve, but they are both beneficial academically and professionally.

These projects provide students with an opportunity to gain expertise in their fields and prepare for their careers. Graduates also sometimes publish their work as journal articles or books. Having a record of publications may strengthen your candidacy for future positions. Writing a dissertation or thesis is challenging, but it can be a valuable experience.

You can take the next step in your educational journey today by researching accredited master’s and PhD programs.

difference between thesis & dissertation

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 researcher working on her thesis

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: 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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Thesis Vs. Dissertation — Know the difference and similarities!

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The academic world is filled with many different types of writing assignments, each with its own unique set of requirements and expectations. One common source of confusion for students is the distinction between a thesis and a dissertation. Both are long-form academic works, but there are several key differences between the two that are important to understand.

In Shakespeare’s day, a candidate for a master’s degree would write a thesis, an original paper in which he maintained a certain proposition. Whereas, completion of a doctoral program required submission and defense of a dissertation. He would read his thesis to his committee, after which he sat in silence while two faculty members gave point-by-point refutations of everything the candidate said.

The focus here was on the student’s ideas and his ability to arrange and express them clearly. If a student wished to advance further in academia he could pursue a dissertation. This was more of a  literature review . He would read widely in a particular area and write up his findings, discussing the various authorities and their opinions. The point was to demonstrate that he was well-versed in the literature of the field. While the confusion between the two terms is understandable, we shall tackle the dissertation vs. thesis topic in this article and provide unambiguous insights on it.

Table of Contents

What Is a Thesis?

A thesis is a critically written scholarly piece of research work. Typically, it is submitted by students graduating from a master’s program. The purpose of a thesis is to allow students to showcase their knowledge and expertise within the subject matter they have been studying as part of the program.

What Is a Dissertation?

A dissertation is a comparatively lengthier piece of scholarly writing that accounts for your research work throughout the doctoral program. A researcher earns the Ph.D. after submitting and defending his/her dissertation. It includes all information about the original research or expanded research on a new or existing topic conducted by the Ph.D. candidate.

Dissertation vs. Thesis: Differences

  • The primary difference between a thesis and a dissertation is the time when they are completed. As mentioned earlier, a thesis is presented at the culmination of a master’s program, whereas, a dissertation is presented to earn a Ph.D.
  • A thesis is a compilation of research ensuring that the researcher is well-informed and has knowledge about the research topic learned in the study program. On the other hand, a dissertation provides an opportunity for the researcher to contribute new theories and information to the existing literature in the research field.
  • A thesis is a presentation of learned and existing information, while the purpose of a dissertation is to develop a unique concept and defend it based on theoretical and practical results.
  • A master’s thesis is approximately 100 pages in length. However, a Ph.D. dissertation should be much longer than a thesis and must include background and research information. A dissertation must include your research proposal, grant proposal, literature review , ideation of research topic, and every other minute detail about your research. Ideally, a dissertation inclusive of all details mentioned above should be three times the length of a master’s thesis.

Dissertation vs. Thesis: Similarities

  • Both a thesis and a dissertation are considered final projects and are required to graduate from respective programs.
  • The thesis and dissertation both require a deep and accurate understanding of the research problem.
  • Both forms of scholarly written pieces must address specific research questions.
  • Academic writing skills are imperative for a thesis as well as a dissertation.
  • Ethical practices must be followed while collating and documenting research data.
  • Plagiarism is not accepted in either.
  • Both require analytical skills to support the findings.
  • It is essential that both undergo intense dissertation/ thesis editing  and  critical proofreading  before final submission.

Dissertation vs. Thesis: Europe

In Europe, the original distinction between a thesis and a dissertation has been largely retained. A doctoral thesis is a focused piece of original research that is performed to obtain a Ph.D. A dissertation is part of a broader post-graduate research project.

smartshorts_2

However, the thesis has evolved since original research nowadays requires plenty of background research . So, a thesis will contain extensive citations and references to earlier work, although the focus remains on the original work that comes out of it.

Dissertation vs. Thesis: USA

In the United States, the definition of a thesis is almost the opposite of that in Europe. Because a thesis is shorter than a dissertation it gradually came to mean a preliminary degree on the way to a doctorate. A thesis is now performed to earn a Master’s degree. In scientific fields, a master’s candidate takes advanced coursework and gains hands-on experience in a research project but does not direct the project to the same extent that he would in a doctoral program. In a master’s project, the student’s ideas are welcomed and expected but the focus is on obtaining technical expertise, not doing original research. Engineering students commonly obtain Master’s degrees and seldom go on to get PhDs. In other fields such as Chemistry, the opposite is true, with a Master’s degree no longer being required as the first step for a doctorate. Almost everyone I know who received a Master’s degree in Chemistry got one because they dropped out of graduate school and wrote their truncated research as a Master’s project.

In a Nutshell

Needless to say, the dissertation vs. thesis facts are real. Therefore, using one term instead of another is not acceptable as an academic. One must remember the purpose of each and use them accordingly. However, one is not undermined by the other. Whether you are writing a thesis or a dissertation, both must be done with the same seriousness. Both require critical technical and soft skills. Improving your time management and academic writing skills plays a major role in acing both forms of scholarly writing.

How do you decipher dissertation vs. thesis? Should the interchanged usage of these terms be acceptable? How is your approach to writing a thesis different from that of a dissertation? What are the other differences associated with the thesis and dissertation? Let us know in the comments section below!

Frequently Asked Questions

"Dissertation" and "thesis" are used interchangeably but differ in: Academic Level: Thesis for master's, dissertation for doctoral degrees (US). Scope and Depth: Thesis shorter, demonstrates mastery; dissertation extensive, original research. Originality: Thesis may involve original analysis; dissertation presents significant new insights. Time and Effort: Dissertations require more resources and time than theses.

The length of a dissertation varies depending on factors like academic discipline, research topic, institution, and country. Generally, dissertations are longer than theses, ranging from 10,000 to over 100,000 words. However, word count alone does not reflect the quality or depth of the research. Guidelines from the academic institution should be consulted for specific requirements.

The length of a thesis varies depending on factors like academic discipline, research topic, institution, and country. Generally, the word count ranges from around 10,000 to 50,000 words. Specific guidelines from the academic institution should be consulted for precise requirements.

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Dissertation vs Thesis vs Capstone Project What’s the difference?

By: Derek Jansen (MBA) | Expert Reviewed By: Dr. Eunice Rautenbach | October 2020

At Grad Coach, we receive questions about dissertation and thesis writing on a daily basis – everything from how to find a good research topic to which research methods to use  and how to analyse the data.

One of the most common questions we receive is “what’s the difference between a dissertation and thesis?” . If you look around online, you’ll find a lot of confusing and often contrasting answers. In this post we’ll clear it up, once and for all…

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difference between thesis & dissertation

Dissertation vs Thesis: Showdown Time

Before comparing dissertations to theses, it’s useful to first understand what both of these are and what they have in common .

Dissertations and theses are both formal academic research projects . In other words, they’re academic projects that involve you undertaking research in a structured, systematic way. The research process typically involves the following steps :

  • Asking a well-articulated and meaningful research question (or questions).
  • Assessing what other researchers have said in relation to that question (this is usually called a literature review – you can learn more about that up here).
  • Undertaking your own research using a clearly justified methodology – this often involves some sort of fieldwork such as interviews or surveys – and lastly,
  • Deriving an answer to your research question based on your analysis.

In other words, theses and dissertations are both formal, structured research projects that involve using a clearly articulated methodology to draw out insights and answers to your research questions . So, in this respect, they are, for the most part, the same thing.

But, how are they different then?

Well, the key difference between a dissertation and a thesis is, for the most part, the level of study – in other words, undergrad, master or PhD. By extension, this also means that the complexity and rigorousness of the research differs between dissertations and theses.

Dissertations and theses are both academic research projects that involve undertaking research in a structured, systematic way.

So, which is which?

This is where it gets a bit confusing. The meaning of dissertation or thesis varies depending on the country or region of study. For example, in the UK, a dissertation is generally a research project that’s completed at the end of a Masters-level degree, whereas a thesis is completed for a Doctoral-level degree.

Conversely, the terminology is flipped around in the US (and some other countries). In other words, a thesis is completed for a Masters-level degree, while a dissertation is completed for PhD (or any other doctoral-level degree).

Simply put, a dissertation and a thesis are essentially the same thing, but at different levels of study . The exact terminology varies from country to country, and sometimes it even varies between universities in the same country. Some universities will also refer to this type of project as a capstone project . In addition, some universities will also require an oral exam or viva voce , especially for doctoral-level projects. 

Given that there are more than 25,000 universities scattered across the globe, all of this terminological complexity can cause some confusion. To be safe, make sure that you thoroughly read the brief provided by your university for your dissertation or thesis, and if possible, visit the university library to have a look at past students’ projects . This will help you get a feel for your institution’s norms and spot any nuances in terms of their specific requirements so that you can give them exactly what they want.

The key difference between a dissertation and a thesis is, for the most part, simply the level of study - i.e. undergrad vs postgrad.

Let’s recap

Dissertations and theses are both formal academic research projects . The main difference is the level of study – undergrad, Masters or PhD. Terminology tends to vary from country to country, and even within countries.

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Know the Differences & Comparisons

Difference Between Thesis and Dissertation

thesis vs dissertation

Different countries define the words thesis and dissertation differently, i.e. in some countries they are used interchangeably, while in some 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. In India, PhD scholars have to submit a thesis, while M.Phil students submit a dissertation.

So, the meaning of the two words varies from country to country. Broadly speaking, in a master’s degree course, all the students have to submit their thesis, which is nothing but the final project, to obtain their degree, whereas one needs to submit a dissertation, to acquire doctorate degree.

Come let’s move further to understand the difference between thesis and dissertation.

Content: Thesis Vs Dissertation

Comparison chart, similarities, research process, definition of thesis.

The word ‘thesis’ is originated from the Greek language which means “ something put forth “. Thesis implies a research document in written or printed form, prepared after conducting novel research on a particular topic and submitted to the university, for an academic degree.

Basically, it is meant to profess “ what the candidate believes and what they aim to prove .” Thesis prepared by the students should be good enough to indicate the actual thought behind the research, rather than just retelling the existing facts. And to do so, students need to collect a plethora of information and a lot of background reading, to have sufficient knowledge about the subject, to develop questions.

Students who pursue a master’s degree or professional degree course, are required to complete the thesis in their last semester, under the guidance of an Assistant Professor.

While preparing the thesis, first of all, the candidate needs to research the topic, for which he/she formulates a proposition, on the basis of the research work previously performed in the concerned field. The student analyzes this research work and gives his/her opinion thereon, on the information collected, and the way information is associated with the topic of study.

Attributes of an Ideal Thesis

  • It should never be in the first person and does not contain vague language.
  • It has to be contestable, i.e. putting forward a questionable, or arguable point with which people often disagree.
  • It should be provocative.
  • It declares the conclusion on the basis of evidence and facts, with certainty.
  • It assumes and disproves counter-arguments.
  • It should be complete, specific and focused.

Definition of Dissertation

The dissertation is a Latin term which refers to “ discussion “. In common terms, a dissertation is a structured research work, in which the Doctorate in Philosophy (PhD) scholars have to demonstrate their findings with a logical argument, as an answer to the proposition chosen by them.

The dissertation is prepared at the end of the PhD program , under a guide, who teaches, instructs and guides the candidate, regarding the selection of the topic, which is not just interesting but unique, original and contestable.

It is a kind of assessment which checks the researching skills and the knowledge of the students and their ability to defend the argument, which forms the basis for their final grade. It includes abstract, introduction, methodology, literature review, findings, discussion, conclusion and recommendation .

The candidate uses the research of other people, as a guide to arrive at and prove/disprove the own novel hypothesis, theory or concept. It takes years to complete the research work, i.e. to gather information, to compile the information in written form, to edit the material and cite the document.

The dissertation is based on original research, in the sense that the candidates have to decide the topic relating to his/her field of study, on which no primary research has been conducted, and arrive at a hypothesis, to perform original research so as to prove or disprove the hypothesis.

Key Differences Between Thesis and Dissertation

The difference between thesis and dissertation are discussed hereunder:

  • Thesis refers to an extraordinary piece of writing prepared after a deep research on a topic as a part of university or degree program, wherein a particular idea or concept is put forward as a statement for further discussion. On the other hand, the dissertation implies a document that compiles research, which is a primary requirement for the doctoral program, to prove one’s findings.
  • With the thesis, the student makes additions to the existing research, whereas with dissertation the student contributes to the novel discovery in the specific field of study.
  • The thesis is all about claiming a hypothesis, whereas dissertation describes or explains, how the researcher proves or disproves the hypothesis.
  • While the thesis is submitted at the end of the Graduate or Master’s degree program, as a final project, the submission of the dissertation is done at the end of the Doctorate program.
  • The objective of the thesis is to check the candidate’s ability to critically think the topic and to intellectually discuss the information in-depth. On the contrary, the dissertation aims at showcasing the candidate’s capacity as a research scholar, i.e. the student’s ability in identifying the area of interest, exploring the topic, compiling the research work, developing questions and defending.
  • When it comes to the length or size of the document, the dissertation is lengthier than a thesis, as the former is about 400 pages, while the latter extends to 100 pages.

While pursuing a higher degree course, the student needs to submit his/her research work, i.e. thesis or dissertation. Both present the candidate’s research and findings on the specific topic. Further, both are prepared under the guidance of an expert in the concerned field.

  • Process of research starts with the preparation of a thesis or dissertation, which helps a student to excel in different areas, if they follow the research process, in a proper way.
  • Formulating research proposal to explore a particular research question.
  • Ascertaining and accessing resources, needed to perform the research work.
  • Observe, analyse and review the existing research work.
  • Opting a suitable research methodology.
  • Preparing a report on the project, indicating the objective, method, findings, conclusion and recommendation.
  • Interpreting the findings and generalizing the results.

The two types of research work, usually end up with an oral defence in front of the panel of examiners, wherein they ask the student, question relating to their study, findings and final paper. Its main aim is to check the student’s ability to defend their research work.

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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.

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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.

Example of a dissertation structure in history

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.

Example of a dissertation structure in political philosophy

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.

Example of a dissertation structure in literature

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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.

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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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Caulfield, J. (2022, May 05). What Is a Dissertation? | 5 Essential Questions to Get Started. Scribbr. Retrieved 3 June 2024, from https://www.scribbr.co.uk/thesis-dissertation/what-is-a-dissertation/

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Other students also liked, how to choose a dissertation topic | 8 steps to follow, how to write a dissertation proposal | a step-by-step guide, what is a literature review | guide, template, & examples.

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Masters Thesis vs. PhD Dissertation: Key Differences

difference between thesis & dissertation

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.

dissertation vs thesis comparison chart

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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Dissertation vs Thesis

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  • Apr 21, 2023

Find out the Difference Between Thesis and Dissertation (1)

Many students get confused between a Dissertation and a Thesis. A thesis is an academic essay or a research paper that is written as a part of a higher degree. The aim of a thesis is to prove your opinion through a statement. It has a specific length limit and takes less time to complete. It is extremely important for a student to complete and submit their thesis on time to obtain a Master’s Degree. On the other hand, a dissertation is an academic piece of writing based on one’s independent research. It is meant to be submitted as a part of one’s PhD , Bachelor’s or Master’s Degree. It can take several months or even years to complete a dissertation. It prepares students to develop problem-solving, project management and numerical skills.  Read the whole blog to understand the difference between a thesis and a dissertation, its structure, types of dissertations, thesis and dissertation in India , US , EU and more.

Also Read: What is Research Proposal?

This Blog Includes:

Difference between a dissertation and a thesis, major difference between a dissertation and a thesis, structure of a dissertation, structure of a thesis, similarities between a dissertation and a thesis.

The main difference is the purpose of the submission. A Dissertation is meant to be submitted with the aim of projecting the student’s skills and experience throughout the course of their doctoral program. While a Thesis is meant to be submitted to complete one’s master’s degree. 

  • A Dissertation consumes more time to complete while a thesis can be completed in even 2 weeks as it comes with a specific length.
  • A dissertation is completely based on original research; there is no place for secondary research sources.
  • A thesis includes primary and secondary sources; there is no need to analyze a particular field of study.
  • A thesis requires argumentation to prove a particular point while a dissertation needs a lot of background research. A thesis includes a viewpoint of the findings while a dissertation requires students to extrapolate their findings. 
  • A thesis is more of an academic research paper while a dissertation is a lot lengthier than a thesis and is required to be submitted in the form of a book.

The primary distinction between a thesis and a dissertation is that a thesis is based on previously conducted research.

A dissertation, on the other hand, will almost certainly require the doctorate student to conduct their own research and analysis. Another significant distinction is that a thesis is for master’s students and a dissertation is for PhD students.

Structure of Dissertation vs Thesis

The structural difference between the two lies in the length of the document. A dissertation is a lot lengthier than a thesis which is meant to be at least 100 pages long. The outline of both a dissertation and a thesis is quite similar. Below mentioned are the structures:

The structure must include the 5 chapters of a dissertation that are mentioned below:

  • Chapter I: Introduction
  • Chapter II: Review of Literature
  • Chapter III:  Research Methodology 
  • Chapter IV:  Result Presentation
  • Chapter V: Summary, Implications and Conclusions

Here is the typical outline of a Thesis for your reference:

  • Introduction
  • Problem Statement
  • Purpose/Aim/ResearchQuestions
  • Review of Literature
  • Methodology
  • Significance/Implications (Results of the Discussion)
  • Overview of Chapter (Conclusion)
  • Recommendation
  • A dissertation and a thesis are extremely important to get the respective degree.
  • The aim of both a dissertation and a thesis is to test a student’s research abilities.
  • An obvious similarity between the two is the structure/outline that is followed by both.
  • Another similarity is the Guidance, teachers and supervisors are assigned to personally guide the students by helping them through the course of the research.
  • Plagiarism is meant to be followed strictly while writing a thesis and a dissertation 

Some people use the word dissertation as a synonym for a thesis which is not correct. The purpose of a dissertation and a thesis is what makes it complex to understand the difference between the two. This blog has covered almost everything you needed to know about the difference between the two. However, both of them have a lot of similarities but are done for obtaining different degrees. While writing any of them, remember that it is only adding to your skills. The aim is to improve your academic and research skills.

Dissertation vs Thesis in Different Countries

Those who are pursuing a PhD are required to submit a thesis while the ones pursuing an MPhil must submit a dissertation.

A thesis must be submitted to complete a PhD Degree while a dissertation is supposed to be part of a research project.

The purpose of submitting a dissertation and a thesis is completely different. A dissertation is an independent research project to obtain a Doctoral Degree in the US, while a thesis is a shorter research project that is required to obtain a Master’s Degree.

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A master’s dissertation is generally between 15,000 and 20,000 words.

The top PhD subjects include physical therapy, education, administration, chemistry, political science and technology.

Yes, you can complete a PhD Degree in 2 years.

Because it is based on original research, a doctoral dissertation has greater breadth, depth, and intention than a master’s thesis. A master’s thesis is typically 100 pages long, and a doctorate dissertation can be 400-500 pages long.

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  • Difference Between Thesis and Dissertation: Key Differences
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Difference between dissertation and thesis: Similarities and differences

Tips on writing and planning thesis, recommendations on writing a high-quality dissertation, what is the difference between a thesis and a dissertation: final thoughts.

Dissertation and thesis are often thought to be the same thing. Nevertheless, in many countries the difference between thesis and dissertation is huge. In some universities, thesis and dissertation have the same meaning. So what is the difference between thesis? In this article, you will find out everything you need to know about both types of literary works.

What is the difference between thesis and dissertation? Before taking a look at distinctions, first, let’s see what the similarities between both documents are.

  • Both thesis and dissertation have the same meaning in many universities and can be interchangeable.
  • Thesis and dissertation have similar time frames when the work has to be done and submitted. And if it is not done by some period of time, it will result in the loss of points.
  • In order to get a certain type of degree, you need to write a thesis or dissertation, and then defend it.
  • If students are working on any of these papers, they should not steal the words of other writers. If a professor detects plagiarism , neither a thesis or dissertation will be accepted.
  • Before writing actual papers, a student has to create a proposal for a thesis or dissertation. A goal of the proposal is to describe the purpose of the future paper.

Here are some of the differences between thesis and dissertation:

  • In many universities, thesis and dissertation are meant for getting different degrees. The thesis is written to get a Master’s degree when the dissertation is usually for the Ph.D. degree .
  • A dissertation requires much more research than a thesis, which makes the dissertation a more complex paper.
  • The dissertation is usually longer than a thesis.
  • For the dissertation, you will have to focus on a more specific topic that you have studied.

If you are trying to find out what is the difference between thesis and dissertation, you should know a thing or two about writing both types of work. Here are some of the tips on composing a good thesis:

  • Know the topic of your paper. Many students fail to pose a specific question that they are going to answer in the thesis, and this is where the problems begin. Set the goal of your thesis.
  • Instead of writing everything at once, divide your thesis into smaller parts. This advice is also suitable for writing your dissertation. It’s going to be much easier to write something if it is separated into a few pieces.
  • Don’t just blindly trust your thesis supervisor. Even though it is a person with much more experience than you have (mostly), don’t listen to every advice they give you. Trust your own feelings and knowledge, and don’t do something just because someone else thinks it’s a good idea.
  • Come up with counter-arguments. In your thesis, you will try to prove your point of view. In order to convince someone about anything, you need to know what the counterarguments are and how to react to them.

A thesis requires some thinking and researching, but in the end, you will be proud of yourself. The thesis is a great way to get a scholarship or grant, so do your best to write it well!

Here are some tips on how to create an amazing dissertation:

  • Never wait until the last moment to start writing your dissertation. A dissertation requires a lot of work, and if you wait until the deadline, you will not be able to write a good paper.
  • Use samples of other dissertations to see how others handled this task. You should never compare your work with others. Check out how graduated students mastered the dissertation, and learn from their experience.
  • Work on the structure of your dissertation. Create a plan for your dissertation and try to stick to it.
  • When writing a dissertation, leave your introduction for the last moment. After you are done with the rest of the text, you will know exactly how to present your topic in the beginning.

What is the difference between thesis and dissertation? Hard to say. But for many students dissertation is often more complicated, Writing a dissertation is difficult, but not impossible: just do your best.

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Difference Between Thesis and Dissertation

• Categorized under Language | Difference Between Thesis and Dissertation

thesis

In some universities, dissertation and thesis are seen as the same thing, however, there are a number of differences between the two. Usually a thesis is submitted at the end of one’s master’s degree, and dissertation is submitted at the end of a PhD.

In thesis, you have to conduct your own research, which has to be original; while for a dissertation, you have to synthesize any information that is collected. As well, in a dissertation you can post your own thoughts. Yet another difference between the two, lies in the fact that these two terms are for different degrees. If you have written a thesis, you will get a higher degree, while a dissertation may a part of the process required to obtain the degree.

So, when you are writing a thesis, you have to ensure that you include the hypothesis, which is quite new, and your thesis should be about the research that you have conducted. In case you are writing a dissertation, you have to ensure that you have a good knowledge of the recent discoveries. Basically, you have to infer new conclusions on what you have read and evaluated.

Thesis writing usually takes place when you have reached the last two years of your student life (while doing a PhD). You won’t need to write a thesis if you are doing a master’s degree. However, if your aim is to obtain a doctor’s degree, then you have to write dissertations. Although, in the USA, you write a dissertation if you are doing a PhD, while you write a thesis if you have are enrolled in a master’s program. On the other hand, in the UK, you have to write a thesis if you are doing a PhD, while you have to write a dissertation if you are enrolled in a master’s program.

When you are writing a thesis you usually get scholarships.

There is also a difference between the thesis/dissertation and dissertation statement. The thesis statement is more focused on your primary argument, and it presents the readers with what you are actually trying to prove. It tells your various states of point, and in the end, summarizes the argument.

In a master’s thesis or dissertation you have to conduct research on a specific topic to present your point. In a PhD thesis or dissertation you have to conduct original research, and add novel findings to the already existing literature.

1. A thesis is submitted at the end of one’s master’s degree, and a dissertation is submitted at the end of a PhD.

2. For a thesis, you have conduct original research, while for a dissertation you have to synthesize already existing literature.

3. Thesis analysis is added to the already existing literature, while dissertation is an analysis of the existing literature.

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Cite APA 7 Kumar, M. (2016, June 8). Difference Between Thesis and Dissertation. Difference Between Similar Terms and Objects. http://www.differencebetween.net/language/difference-between-thesis-and-dissertation/. MLA 8 Kumar, Manisha. "Difference Between Thesis and Dissertation." Difference Between Similar Terms and Objects, 8 June, 2016, http://www.differencebetween.net/language/difference-between-thesis-and-dissertation/.

15 Comments

Thanks so much for your submission here. Looking at various definitions of different scholars and contributors on this subject matter ” Thesis vs Dissertation”, they all have the same definitions for each of these words. The problem is which of the Degrees should the definitions apply?. Everybody agrees that: 1. A thesis is concise about 100+pgs, does not consume time and demands the students to conduct a hypothesis based on their secondary research.It is also meant to get scholarship. 2. A dissertation is lengthy about 300+pgs, It is usually written in form of a book for academic purposes. It is comprised of arguments and theories based on original research. In view of these little differences I highlighted above, it can only appeal to common sense to know that “Dissertation” should apply to Ph.D degree looking at what these two words stand for in comparison with what it demands to get the degrees – Masters and Ph.D. I appreciate your scholarship on this issue and it is very in-dept.

Difference between thesis and dissertation

In summary the things are not correct that make confusion in front of reader. In my opinion this is more correct

Correct: 1. A thesis is submitted at the end of Ph.D degree , and a dissertation is submitted at the end of Masters degree.

2. For a thesis, you have conduct original research with large sample size , while for a dissertation you have to synthesize already existing literature as well as do a original research with small sample size.

3. Thesis analysis is added to the already existing literature as well as with the new data collection give the conclusion and possible solution, while dissertation is an analysis of the existing literature with positive views.

A clear and concise submission devoid of any controversy or ambiguity

Which one shud we follow…..the information given in this website contradicts to ur reply or comment to the author of this info….

So may i know which one is correct

An informative and beneficial website which helps a lot foriegn students which contains helping tips and informations for getting admissions in verious degree programs all over the world.

Hello Abdul

It is informative site for the interview purpose also, so many things are clear here briefly.

Looks like the first paragraph may required some rewriting.

hold that, Second para as well.

The writer is very confused. A dissertation is the written document you write to defend your thesis (e.g., claim).

In the US: When discussing work product in pursuit of a higher-level degree, I believe that the terms can be used somewhat interchangeably, in reference to scholarly work. The word thesis is used more often and seems to encompass both oral and written theoretical work.

Generally speaking, however, at the culmination of the PhD degree, one produces a DISSERTATION. which is a lengthy WRITTEN documentation of the research contributions the student has made to his or her field, and how the student’s research fits into the larger picture of research already conducted by others. My daughter, who is at the end of her PhD study, just submitted a final draft of her dissertation to her PhD committee a week ago.

A PhD student like my daughter can put forth and work on a number of THESES during his or her PhD study. Both in the Masters degree and the PhD, the student proposes and researches theses (theories, propositions, proposals). In her PhD defense two days ago, my daughter presented (and defended) to her committee 3 THESES out of her original research work. The first hour and a half was public, and we were allowed to attend. The second hour was behind closed doors, where her committee questioned her more closely about her research contributions to her field.

Differences between Masters-level theses and PhD level theses: Masters-degree candidates often work on and eventually defend their work on one thesis (theory, proposition, proposal). The resulting thesis paper is about the size of a fully-documented research paper. The PhD candidacy lasts 2-3 times as long as the time needed to obtain a Masters degree. The PhD student learns much more than the Masters degree student about conducting original research in one’s field, and to that end, the PhD student often advances and works on multiple theses (theories, propositions, proposals) that support an original thesis that is larger or more novel in scope than many Masters-degree theses.

Obtaining a Masters degree sometimes involves writing and presenting a thesis paper, which includes the outcomes of the student’s thesis work plus references to current and prior research in the field of study. To obtain a PhD, one must usually contribute something original and important to existing research, so the final paper (which is the length of a book) includes both references to existing prior research and, more importantly, a detailed discussion and analysis of the PhD candidate’s research contributions in her or his field.

T0 sum, the written form of the research conducted in the Masters degree is usually called a thesis paper in the US. The written form of the research conducted in the PhD degree is usually called a dissertation in the US. In both situations, theses are the theories and propositions that drive the research work.

By the way, my daughter was successful in her thesis defense. Her dissertation is in the final stages of editing and will be published soon.

Hi D Best, Thanks for yor detailed elaboration of these two terms, really appreciate it. And congratulations to your daughter on completing her PhD!! 🙂 You must be very proud of her! I wish your family great success in future as well.

Very thanks for this clarification. In some contexts, the word “thesis” or a cognate is used for part of a bachelor’s or master’s course, while “dissertation” is normally applied to a doctorate, while in other contexts, the reverse is true. So I think the difference between thesis and dissertation is not so important.

So in simple and plain terms, both terms may refer to either of the meanings depending on your lenses. Semantics!

I wrote a book report in 5th grade. I be smart and stuff.

I just wanted to let you know that this article is inaccurate. Many (if not most) PhD students do original research.

Best, Nicholas

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Infographics are increasingly used as visual communication tools for conveying health information to diverse audiences. However, research is lacking on how specific infographic design factors influence learning outcomes. This study aimed to determine the comparative effectiveness of automatically advanced (Group A) versus manually advanced (Group B) infographics for promoting breast cancer awareness and knowledge. A mixed-methods quasi-experimental pretest-posttest design was utilized. The sample comprised 42 participants for analysis. Of these, the majority, 41 persons self-reported as female, with one participant indicating their gender as 'other.' Participant ages ranged from 25 to 55 years (M = 40.5, SD = 7.62). Most participants were well-educated, with graduate degrees or other advanced education beyond a bachelor's degree. Participants were randomly assigned to either the automatically advanced infographic group (Group A) or the manually advanced infographic group (Group B). Results indicated that Group B had significantly higher scores on the knowledge post-test compared to Group A, suggesting improved recall and comprehension of key information. There were no significant differences in cognitive load ratings or viewing duration between the groups. Qualitative feedback from participants suggested that Group B's manually advanced infographic facilitated better self-pacing and absorption of content. While the study's findings provide preliminary evidence supporting the efficacy of manually advanced infographics in learning complex health information, limitations are acknowledged. The research contributes to the design of patient education materials and underscores the necessity for further investigations across varied populations and health topics to understand the impact of infographic design more comprehensively on learning and behavior.

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  1. Dissertation vs Thesis: The Differences that Matter

    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 ...

  2. What is the Difference Between a Dissertation and a Thesis?

    The main difference between a dissertation and thesis is the scope of the research. A dissertation develops unique and original concepts in a particular field of research, whereas a thesis is usually a culmination of existing research. The main purpose of a writing a dissertation is to add new findings to the existing literature in that field ...

  3. Dissertation vs Thesis: Your 2024 Guide

    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).

  4. Dissertation vs Thesis: Understanding the Key Differences

    Lastly, one of the main differences between a dissertation and a thesis is the potential for publication. As the dissertation is more extensive and requires original research contributing to the academic field, theses are less likely to be published in a peer-reviewed journal. Although a master's thesis is more narrowly focused, it can still ...

  5. Dissertation vs Thesis: Understanding the Key Differences

    The primary difference between a dissertation and a thesis lies in their purpose and structure. A dissertation aims to contribute new knowledge to a specific field of study and is typically a more extensive and comprehensive project. It involves an in-depth exploration of a research problem or question, often requiring the collection and ...

  6. What is the difference between a dissertation and a thesis?

    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.

  7. What's the Difference Between a Dissertation vs. Thesis?

    The difference in the length of a PhD dissertation vs. masters thesis is noteworthy. A thesis is typically between 50 and 100 pages in length and is written during the final year of a master's degree program. A dissertation is generally 100 to 400 pages long and may involve several years of work. Completion process.

  8. What Is a Thesis?

    Revised on April 16, 2024. A thesis is a type of research paper based on your original research. It is usually submitted as the final step of a master's program or a capstone to a bachelor's degree. Writing a thesis can be a daunting experience. Other than a dissertation, it is one of the longest pieces of writing students typically complete.

  9. Thesis vs. Dissertation: What's the difference?

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

  10. Dissertation Vs Thesis: How Are They Different

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

  11. Dissertation vs. Thesis: A Comparison

    The primary difference between a thesis and a dissertation is the time when they are completed. As mentioned earlier, a thesis is presented at the culmination of a master's program, whereas, a dissertation is presented to earn a Ph.D. A thesis is a compilation of research ensuring that the researcher is well-informed and has knowledge about ...

  12. Dissertation vs. Thesis: A Comparison

    The primary difference between a dissertation vs thesis is the degree programs that require these projects. Students in a master's degree program will write a thesis, whereas students in a doctoral degree program will complete a dissertation. Another difference between the two projects is that a dissertation usually requires an oral defense ...

  13. Dissertation vs Thesis vs Capstone Project

    In other words, a thesis is completed for a Masters-level degree, while a dissertation is completed for PhD (or any other doctoral-level degree). Simply put, a dissertation and a thesis are essentially the same thing, but at different levels of study. The exact terminology varies from country to country, and sometimes it even varies between ...

  14. What is the Difference Between a Thesis and a Dissertation?

    The main difference between a thesis and a dissertation is when they are completed. The thesis is a project that marks the end of a master's program, while the dissertation occurs during doctoral study. The two are actually quite different in their purpose, as well. A thesis is a compilation of research that proves you are knowledgeable about ...

  15. Difference Between Thesis and Dissertation (with Similarities and

    The difference between thesis and dissertation are discussed hereunder: Thesis refers to an extraordinary piece of writing prepared after a deep research on a topic as a part of university or degree program, wherein a particular idea or concept is put forward as a statement for further discussion. On the other hand, the dissertation implies a ...

  16. Dissertation vs thesis: what's the difference?

    Thesis and dissertation: a brief history . As the two terms blend, it is becoming harder to recognise the difference between 'thesis' and 'dissertation'. The appearance of the new 'thesis dissertation' catch-all doesn't help much either. Historical usage offers a much-needed point of clarity.

  17. What Is a Dissertation?

    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 ...

  18. Masters Thesis vs. PhD Dissertation: Key Differences

    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 ...

  19. What is the difference between a thesis and a dissertation?

    13. I have seen some sites that distinguish a dissertation as what is written as the requirements of a doctoral degree. Others that distinguish a thesis as a document written for the fulfillment of any degree (Bachelors, Masters or Doctoral) while a dissertation is a more general name for a document where someone is presenting findings.

  20. Difference Between Thesis and Dissertation

    What is the difference between Masters thesis and dissertation? Because it is based on original research, a doctoral dissertation has greater breadth, depth, and intention than a master's thesis. A master's thesis is typically 100 pages long, and a doctorate dissertation can be 400-500 pages long.

  21. Difference Between Thesis and Dissertation: Key Differences

    In many universities, thesis and dissertation are meant for getting different degrees. The thesis is written to get a Master's degree when the dissertation is usually for the Ph.D. degree. A dissertation requires much more research than a thesis, which makes the dissertation a more complex paper. The dissertation is usually longer than a thesis.

  22. Difference Between Thesis and Dissertation

    A thesis is submitted at the end of one's master's degree, and a dissertation is submitted at the end of a PhD. 2. For a thesis, you have conduct original research, while for a dissertation you have to synthesize already existing literature. 3. Thesis analysis is added to the already existing literature, while dissertation is an analysis of ...

  23. What are the key differences between a Master's thesis and a ...

    The basic difference between both documents lies primarily in their scope and purpose. Range and intensity: A Master's thesis generally is shorter and deals with highlighting the mastery of the specific subject matter within a respective sphere, whereas the doctoral dissertation is based on a lengthy pattern and grabs original study that contributes new concepts about the field.

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    The objective of the experiments conducted for this dissertation was to investigate the effects of exogenous enzymes on nutrient digestibility for broiler chickens and growing pigs. These experiments covered the effects of phytase, protease, and carbohydrases on the nutrient availability of various diet types and ingredients, as well as evaluations of regression methods for determining ...

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    The transportation system is facing serious safety concerns at work zones and intersections, which are two major areas where accidents and fatalities occur. In addition, slow improvement in transportation industry workers' performance is also a bottleneck to overall productivity. This dissertation aims to integrate artificial intelligence and human factors to improve the safety of mobile ...

  27. Effectiveness of Using Automatically Advanced Vs. Manually Advanced

    There were no significant differences in cognitive load ratings or viewing duration between the groups. Qualitative feedback from participants suggested that Group B's manually advanced infographic facilitated better self-pacing and absorption of content. ... thesis. posted on 2024-05-02, 17:18 authored by Asefeh Kardgar Asefeh Kardgar.