dissertation research styles

The 7 Types of Dissertations Explained: Which One is Right for You?

Your dissertation is a pretty big deal and likely represents years of hard slog studying your subject of expertise.

But did you know there are 7 different types of dissertation ?

The purpose of this article is to demystify the various types of dissertations you might encounter or choose to undertake during your advanced studies. Armed with this knowledge, you can select the most appropriate methodology and framework for your research interests and academic requirements.

Each type of dissertation serves a different academic purpose and requires a unique approach and structure. In this article, we’ll take a look at these differences in detail, providing clear explanations and examples from a range of academic disciplines. By the end of this article, you should have a thorough understanding of the options available for your dissertation and be better prepared to select a path that aligns with your research goals and academic ambitions.

Remember, regardless of what type of dissertation you ultimately decide to pursue, best dissertation proofreading can make all the difference between a pass and a fail.

7 Types of Dissertation

Empirical dissertations.

So, let’s dive right in with empirical dissertations—arguably the most hands-on type of dissertation out there. If you’re studying a field like psychology, biology, or social sciences, you’re probably going to become very familiar with this approach.

What exactly is an empirical dissertation?

It’s all about gathering data. You’ll be conducting your own experiments, surveys, or observations, making this type extremely engaging (and a bit daunting). Essentially, you’re collecting new data from the world or from people, rather than relying on existing data from other studies.

The structure of an empirical dissertation is pretty straightforward but involves rigorous methodology. Typically, it will include an introduction to set up your SMART research question , a literature review to justify why this question needs answering, a methodology section that details how you’ve gone about your data collection, a results chapter presenting your findings, and a discussion that ties everything back to your research question and explores the implications.

This type of dissertation not only tests your ability to conduct research and analyze data but also challenges you to apply theoretical knowledge in practical scenarios. By the end of an empirical dissertation, you should not only have answers to your original questions but also a solid chunk of real-world experience under your belt.

Best suited to: Students who are ready to roll up their sleeves and get their hands dirty.

Theoretical Dissertations

Now, shifting gears, let’s talk about theoretical dissertations. If the empirical dissertation is the hands-on, muddy boots kind of research, the theoretical dissertation is its more contemplative, indoor cousin. Perfect for those of you in fields like philosophy, literature, or certain branches of sociology and psychology, where concrete data might not be the main focus.

What’s the deal with theoretical dissertations? They revolve around developing, exploring, or expanding on existing theories. Instead of collecting new data, you invest your time and effort studying existing research and theoretical frameworks to build an argument or propose a new theory or perspective on an old one.

The structure of a theoretical dissertation generally includes a comprehensive introduction where you lay out your thesis or theory, followed by a detailed literature review that supports and provides the foundation for your thesis. After this, you’ll move into a discussion or analysis section, where you critically analyze your thesis in the light of existing theories and literature. The aim here is to offer a fresh or refined perspective that contributes to the existing body of knowledge.

This type of dissertation is a test of your analytical skills and your ability to synthesize complex ideas into a coherent argument. It’s less about creating new paths and more about mapping the ones already laid out in new ways.

Best suited to: Students who love theory and thrive on crafting arguments.

Case Study Dissertations

Next up, it’s case study dissertations. This type of dissertation is especially attractive if you’re someone who loves storytelling with a purpose or is drawn to in-depth analysis of specific events, individuals, or organizations. It’s a favorite in disciplines like business, education, psychology, and social sciences, where a single case can lead to the development of new theories and concepts.

A case study dissertation involves an intensive investigation of a particular individual, group, organization, or event. You’ll get to the nitty gritty of the specifics, examining various aspects of the case to understand its implications and applications. This method allows you to apply theoretical concepts in a real-world context, providing rich insights that aren’t always accessible through broader surveys or experiments.

The structure of a case study dissertation usually starts with an introduction to the chosen case, followed by a literature review that sets the theoretical framework. You then proceed to a detailed methodology section explaining how you collected and analyzed your data. The core of your dissertation will likely be the case analysis chapter, where you dissect the case in relation to your research question. Finally, you’ll conclude with a discussion of how the case impacts the wider field and what new understandings it brings to the fore.

Best suited to: Those who are meticulous and have a keen eye for detail, a case study dissertation allows you to explore the intricacies of a specific example while contributing to broader academic debates.

Comparative Dissertations

Next up is the comparative dissertation. This type is tailor-made for the analytically minded who love drawing connections and distinctions between different elements. It’s particularly prevalent in fields like law, education, political science, and international relations, where understanding differences and similarities across cases, laws, or educational methods can provide critical insights.

Essentially, a comparative dissertation involves systematically comparing and contrasting two or more entities. These could be policies, theories, populations, or even historical periods, depending on your study area. The goal is to identify patterns or discrepancies that reveal underlying principles or suggest new interpretations of data.

The structure of a dissertation of this nature typically includes a dissertation abstract followed by an introduction that defines the entities being compared and poses your research question. This is followed by a literature review that frames the theoretical bases for comparison. The methodology section should clearly outline the criteria and methods for comparison, ensuring transparency and replicability. The subsequent chapters will then detail the comparative analysis, discussing each entity individually before bringing them together for a comprehensive comparison. Finally, the conclusion synthesizes the findings, highlighting the significance of the differences and similarities discovered.

Best suited to: Those who can juggle multiple themes and variables without losing sight of the overarching question, a comparative dissertation challenges you to remain objective and balanced in your analysis.

Project-Based Dissertations

Project-based dissertations are more practical in nature. This type of dissertation is particularly appealing if you’re inclined towards applying your theoretical knowledge to create something tangible or solve a real-world problem. It’s a common choice in fields like engineering, computer science, and applied arts, where the end product can be a piece of software, an engineering prototype, or a design project.

What makes a project-based dissertation stand out? It centers around a project that you will plan, execute, and manage through the duration of your dissertation process. This could involve designing a new gadget, developing a software program, or creating a marketing plan for a startup. The focus is on applying the skills and knowledge you’ve acquired through your studies to produce a project that has practical and theoretical implications.

The structure of a project-based dissertation generally includes an introduction to the project, its objectives, and its relevance to your field. Following this, you’ll provide a literature review that supports the theories and methodologies you intend to use. The methodology section should detail your project plan, resources, and the processes you will follow. The main body of the dissertation will describe the project development and implementation phases in detail. Finally, the conclusion will evaluate the project’s success, its impact, and potential future developments or applications.

Best suited to: The innovative and the practical, a project-based dissertation allows you to showcase your ability to deliver a concrete outcome that demonstrates your professional capabilities.

Narrative Dissertations

If you’re drawn to writing and storytelling, a narrative dissertation might be right up your alley. This type is particularly popular in fields such as creative arts, literature, and education, where personal narratives or creative elements can be used to explore and communicate complex ideas.

What does a narrative dissertation involve? It’s about crafting a dissertation that primarily uses narrative techniques to convey research findings or explore scholarly questions. This could mean writing in a first-person perspective, incorporating fictional elements, or structuring the dissertation like a series of interconnected stories or essays.

The structure of a narrative dissertation often deviates from the traditional format. It begins with an introduction that sets the stage for the narrative journey. The literature review might be woven into the narrative itself, providing contextual background as the story unfolds. The methodology section explains how narrative methods will be used to explore the research question. The main body is where the narrative takes center stage, presenting research through personal reflections, storytelling, or hypothetical scenarios. The conclusion then ties all narrative threads together, reflecting on the insights gained and their broader implications.

Best suited to: those who think and express themselves best through stories, a narrative dissertation allows you to engage with your topic in a deeply personal and creative way.

Systematic Review Dissertations

Systematic review dissertations are perfect if you’re keen on synthesizing existing research to draw comprehensive conclusions about a specific topic. This type is particularly valuable in fields like healthcare, psychology, and social sciences, where summarizing and evaluating existing studies can provide powerful insights and inform practice and policy.

A systematic review dissertation involves a rigorous and structured approach to reviewing literature. You’ll gather all relevant data from previously published studies to answer a specific research question. The focus is on transparency and reproducibility, employing predefined methods to minimize bias and provide reliable results.

The structure of a systematic review dissertation typically begins with an introduction that outlines the research question and its significance. This is followed by a methodologically detailed section that explains the criteria for selecting studies, the search strategy used, and the methods for data extraction and synthesis. The results section then presents a detailed analysis of the studies included in the review, often using quantitative methods like meta-analysis. The discussion interprets these findings, considering their implications for the field and any limitations. The conclusion suggests areas for further research and summarizes the contributions made by the review.

Best suited to: Those with a keen eye for detail and a systematic approach to research, a systematic review dissertation can significantly impact by clarifying and summarizing existing knowledge.

Methodological Considerations

Choosing the right type of dissertation is an important decision in your academic journey, and several factors should guide your selection. This section aims to help you navigate these choices, ensuring that the methodology and framework you choose align perfectly with your research goals, available resources, and time constraints.

First, consider your discipline’s requirements and norms. Different fields favor different types of dissertations, so understanding what is expected and respected in your area of study is crucial. Next, think about your own strengths and interests. Choose a dissertation type that not only meets academic criteria but also excites you and plays to your strengths, whether they lie in empirical research, theoretical exploration, practical application, or creative expression.

Resource availability is another critical factor. Some types of dissertations, like empirical and project-based, may require access to specific equipment, software, or locations, which can be a deciding factor. Time constraints are also essential to consider; some dissertations, particularly those involving extensive data collection and analysis, may require more time than others.

Finally, discuss your ideas with your advisor or mentor. They can provide valuable insights and feedback that can help you refine your choice and ensure that you are prepared to tackle the challenges ahead. With the right preparation and understanding of what each type of dissertation entails, you can make an informed decision that sets the stage for a successful and rewarding research endeavor.

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Understanding The Different Styles OfDissertation Writing Across Disciplines

When it comes to dissertation writing, one size does not fit all. Different academic disciplines demand distinct writing styles, research methodologies, and approaches to presenting findings. While the goal of a dissertation is to contribute original research to a field of study, the way in which this is achieved varies greatly depending on whether you are in the sciences, social sciences, humanities, or business. In this article, we will explore the differences in dissertation writing across these disciplines to provide a better understanding of the expectations in each.

Scientific Dissertations: Emphasizing Data and Experimentation

In the sciences, dissertations typically focus on empirical  research methodologies  and experimentation. The scientific method guides the structure of the dissertation, and the emphasis is placed on providing clear, replicable results. Key sections of a scientific dissertation include:

Introduction  – Introduces the research question and its significance.

Literature Review  – Summarizes existing research and identifies gaps the study aims to address.

Methods  – Describes the experimental design, including data collection and analysis techniques.

Results  – Presents the findings, often in the form of charts and graphs.

Discussion  – Interprets the results and relates them to the initial research question.

Conclusion  – Summarizes the findings and suggests future research directions.

The tone of a scientific dissertation is objective and formal, with little room for subjective interpretation. Precision and clarity are essential, and students must carefully document their procedures and results to ensure the study can be replicated. Have a look at  gradcoach.com  to know much about it.

Social Sciences: Balancing Qualitative and Quantitative Approaches

Social science dissertations, such as those in psychology, sociology, or political science, often involve a mix of qualitative and quantitative research methods. These dissertations emphasize understanding human behavior, social patterns, and institutional dynamics. While they may include statistical data, they also often feature interviews, case studies, or surveys.

In these fields, the writing style is slightly more flexible, allowing for both numerical data and narrative explanations. Key sections include:

Introduction  – Defines the research question and theoretical framework.

Literature Review  – Contextualizes the research by examining previous studies.

Methodology  – Explains the research methods (e.g., surveys, interviews, experiments).

Findings/Results  – Presents the data collected during the study.

Discussion  – Interprets the data, often focusing on social implications.

Conclusion  – Reflects on the research question and its implications for society.

Because social sciences deal with complex and often subjective human behaviors, the writing tends to be more narrative-driven than in the hard sciences.

Humanities: Argumentative and Analytical Dissertations

In the humanities, dissertations take on a more argumentative or analytical structure. Fields such as history, philosophy, and literature place less emphasis on empirical research and more on critical analysis, interpretation, and argumentation. Dissertations in these disciplines often resemble long-form essays rather than scientific reports.

A humanities dissertation may follow this structure:

Introduction  – Introduces the research question or thesis statement.

Literature Review  – Provides an overview of relevant theories and texts.

Analysis  – Critically examines texts, events, or theories.

Conclusion  – Synthesizes the argument and  discusses broader implications .

Humanities dissertations are typically more subjective and require the writer to engage with texts or ideas in a nuanced way.

If you’re feeling overwhelmed by the demands of dissertation writing, don’t worry—help is available. At GradCoach, we offer expert thesis helperservices to guide you through every step of the process. Whether you need assistance with research, writing, or editing, our team is here to ensure your dissertation is a success. Visit here to learn more about how we can support you with your dissertation journey.

Make your dissertation writing journey smoother with a trusted thesis helpertoday!

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What is a thesis?

What is a dissertation, getting started, staying on track, thesis abstract, lit(erature) review.

A thesis is a long-term project that you work on over the course of a semester or a year. Theses have a very wide variety of styles and content, so we encourage you to look at prior examples and work closely with faculty to develop yours. 

Before you begin, make sure that you are familiar with the dissertation genre—what it is for and what it looks like.

Generally speaking, a dissertation’s purpose is to prove that you have the expertise necessary to fulfill your doctoral-degree requirements by showing depth of knowledge and independent thinking.

The form of a dissertation may vary by discipline. Be sure to follow the specific guidelines of your department.

• PhD This site directs candidates to the GSAS website about dissertations , with links to checklists,  planning, formatting, acknowledgments, submission, and publishing options. There is also a link to guidelines for the prospectus . Consult with your committee chair about specific requirements and standards for your dissertation.
• DDES This document covers planning, patent filing, submission guidelines, publishing options, formatting guidelines, sample pages, citation guidelines, and a list of common errors to avoid. There is also a link to guidelines for the prospectus .
• Scholarly Pursuits (GSAS) This searchable booklet from Harvard GSAS is a comprehensive guide to writing dissertations, dissertation-fellowship applications, academic journal articles, and academic job documents.

Finding an original topic can be a daunting and overwhelming task. These key concepts can help you focus and save time.

Finding a topic for your thesis or dissertation should start with a research question that excites or at least interests you. A rigorous, engaging, and original project will require continuous curiosity about your topic, about your own thoughts on the topic, and about what other scholars have said on your topic. Avoid getting boxed in by thinking you know what you want to say from the beginning; let your research and your writing evolve as you explore and fine-tune your focus through constant questioning and exploration.

Get a sense of the broader picture before you narrow your focus and attempt to frame an argument. Read, skim, and otherwise familiarize yourself with what other scholars have done in areas related to your proposed topic. Briefly explore topics tangentially related to yours to broaden your perspective and increase your chance of finding a unique angle to pursue.

Critical Reading

Critical reading is the opposite of passive reading. Instead of merely reading for information to absorb, critical reading also involves careful, sustained thinking about what you are reading. This process may include analyzing the author’s motives and assumptions, asking what might be left out of the discussion, considering what you agree with or disagree with in the author’s statements and why you agree or disagree, and exploring connections or contradictions between scholarly arguments. Here is a resource to help hone your critical-reading skills:

https://guides.library.harvard.edu/sixreadinghabits  

https://youtu.be/BcV64lowMIA

Conversation

Your thesis or dissertation will incorporate some ideas from other scholars whose work you researched. By reading critically and following your curiosity, you will develop your own ideas and claims, and these contributions are the core of your project. You will also acknowledge the work of scholars who came before you, and you must accurately and fairly attribute this work and define your place within the larger discussion. Make sure that you know how to quote, summarize, paraphrase ,  integrate , and cite sources to avoid plagiarism and to show the depth and breadth of your knowledge.

A thesis is a long-term, large project that involves both research and writing; it is easy to lose focus, motivation, and momentum. Here are suggestions for achieving the result you want in the time you have.

The dissertation is probably the largest project you have undertaken, and a lot of the work is self-directed. The project can feel daunting or even overwhelming unless you break it down into manageable pieces and create a timeline for completing each smaller task. Be realistic but also challenge yourself, and be forgiving of yourself if you miss a self-imposed deadline here and there.

Your program will also have specific deadlines for different requirements, including establishing a committee, submitting a prospectus, completing the dissertation, defending the dissertation, and submitting your work. Consult your department’s website for these dates and incorporate them into the timeline for your work.

Accountability

Sometimes self-imposed deadlines do not feel urgent unless there is accountability to someone beyond yourself. To increase your motivation to complete tasks on schedule, set dates with your committee chair to submit pre-determined pieces of a chapter. You can also arrange with a fellow doctoral student to check on each other’s progress. Research and writing can be lonely, so it is also nice to share that journey with someone and support each other through the process.

Common Pitfalls

The most common challenges for students writing a dissertation are writer’s block, information-overload, and the compulsion to keep researching forever.

There are many strategies for avoiding writer’s block, such as freewriting, outlining, taking a walk, starting in the middle, and creating an ideal work environment for your particular learning style. Pay attention to what helps you and try different things until you find what works.

Efficient researching techniques are essential to avoiding information-overload. Here are a couple of resources about strategies for finding sources and quickly obtaining essential information from them.

https://owl.purdue.edu/owl/subject_specific_writing/writing_in_literature/writing_in_literature_detailed_discussion/reading_criticism.html

https://students.dartmouth.edu/academic-skills/learning-resources/learning-strategies/reading-techniques

Finally, remember that there is always more to learn and your dissertation cannot incorporate everything. Follow your curiosity but also set limits on the scope of your work. It helps to create a folder entitled “future projects” for topics and sources that interest you but that do not fit neatly into the dissertation. Also remember that future scholars will build off of your work, so leave something for them to do.

An abstract is a short (approximately 200-word) summary or overview of your research project. It provides enough information for a reader to know what they will find within the larger document, such as your purpose, methodology, and results or conclusion. It may also include a list of  keywords. An abstract is an original document, not an excerpt, and its contents and organization may vary by discipline.

A literature review establishes a set of themes and contexts drawn from foundational research and materials that relate to your project. It is an acknowledgment that your scholarship doesn’t exist in a vacuum. With the review, you identify patterns and trends in the literature to situate your contribution within the existing scholarly conversation.

What is a literature review? A literature review (or lit review, for short) is a critical analysis of published scholarly research (the "literature") related to a specific topic. Literature here means body of work, which traditionally was done in written form and may include journal articles, books, book chapters, dissertations and thesis, or conference proceedings. In the case of design, however, literature has an expanded breadth since the body of work is oftentimes not represented by words. A design review may include plans, sections, photographs, and any type of media that portrays the work.

A literature review may stand on its own or may be inside a larger work, usually in the introductory sections. It is thorough but not exhaustive--there will always be more information than you can reasonably locate and include. Be mindful of your scope and time constraints and select your reviewed materials with care. A literature review

• summarizes the themes and findings of works in an area
• compares and contrasts relevant aspects of literature on a topic
• critically assesses the strengths and omissions of the source material
• elaborates on the implications of their findings for one's own research topic

What does a literature review look like? Each discipline has its own style for writing a literature review; urban planning and design lit reviews may look different than those from architecture, and design lit reviews will look significantly different than reviews from the biological sciences or engineering. Look at published journal articles within your field and note how they present the information.

• Introduction: most scholarly articles and books will have a literature review within the introductory sections. Its precise location may vary, but it is most often in the first few paragraphs or pages.

Dedicated literature reviews: these are stand-alone resources unto themselves. You can search for "literature review" and a topic, and you may find that one already exists. These literature reviews are useful as models within your field, for finding additional sources to explore, and for beginning to map the general relationships within the scholarly conversation around your topic. Be mindful not to plagiarize the source material.

Database search tip : Add the phrase "literature review" to your search to find published literature reviews.

Browsing through theses and dissertations of the past can help to get a sense of your options and gain inspiration but be careful to use current guidelines and refer to your committee instead of relying on these examples for form or formatting.

Theses at the Frances Loeb Library  is a research guide to finding p ast GSD theses.

DASH Digital Access to Scholarship at Harvard.

HOLLIS Harvard Library’s catalog provides access to ProQuest Dissertations & Theses Global .

MIT Architecture has a list of their graduates’ dissertations and theses.

Rhode Island School of Design has a list of their graduates’ dissertations and theses.

University of South Florida has a list of their graduates’ dissertations and theses.

Harvard GSD has a list of projects, including theses and professors’ research.

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