Delimitations in research: meaning, types, and examples

Updated 14 January 2026

Written by Steven Robinson

Table of contents
  • Scope and delimitation of the study: definition and importance
    • Why is it needed?
  • Types of scope of research
    • 1. Geographical.
    • 2. Temporal.
    • 3. Disciplinary.
    • 3. Population.
    • 4. Research objectives.
  • Types of delimitations of a study
    • 1. Exclusion of variables.
    • 2. Methodological delimitations.
    • 3. Sample size restrictions.
    • 4. Time constraints.
    • 5. Delimitations of literature review.
  • Delimitations vs limitations
  • Guidelines on writing scope and delimitation of the study
    • How do you write the project’s scope?
    • How to write delimitations?
  • Final thoughts

Working on an academic paper can quickly become overwhelming when you’re faced with a massive amount of data and information to sift through. When kicking off a project, one of the first questions you need to get a handle on is “what exactly is the scope of a study and where are its limits?” Figuring out a clear definition of your project’s boundaries and what you can reasonably cover is key to keeping the whole thing manageable, relevant and actually producing some real results.

This guide aims to give a rundown on the concept of delimitations in research and why knowing what they are is so important. We’ll be looking at the different types of delimitations and how they can make or break the validity and usefulness of a piece of research. By getting a better understanding of what delimitations are, you’ll be better able to put together well thought out papers that clearly define what they’re looking at and also spot the weak points in other people’s work.

Scope and delimitation of the study: definition and importance

These terms refer to the specific parameters and boundaries the researcher sets to define what the study will cover and what it will not. What is scope in research? It outlines the extent of the exploration, including the subject matter, geographic area, time frame, and population to be studied. The delimitation meaning includes the choices made by the researcher regarding the study’s design and methods, specifying what aspects are intentionally excluded from a chemistry lab report or any other academic work.

Scope and delimitation are established during the early stages of the research process, usually when designing the research proposal. These elements are included in the introduction of a thesis and are significant for setting reader expectations and providing context for the investigation.

Why is it needed?

We looked at what delimitations are in a research study and now it’s time to figure out why they’re so important.

  • Manageability: By drawing a clear line in the sand, the researcher stops their exploration from getting too wild and woolly. That way, they can avoid turning the whole thing into a mess that’s hard to follow – all depth and clarity go out the window if it’s too broad.
  • Relevance: Defining what your study’s all about and the delimitations helps you keep your paper on track and talking about the stuff that really matters, like the questions you’re trying to answer or the hypotheses you’re testing. This means your argument stays on point and doesn’t wander off on a tangent.
  • Validity: Clear boundaries help you make your work sound more legit by showing exactly how you’re trying to solve the problem. This makes it easier for people to get your study in perspective and understand what the limitations really are.
  • Transparency: Clear boundaries help you make your work sound more legit by showing exactly how you’re trying to solve the problem. This makes it easier for people to get your study in perspective and understand what the limitations really are.
  • Resource allocation: Knowing where you want to look helps you make the most of your time, money, and other resources – you can throw everything at the most important bits of your study, not just whatever happens to be floating around.

In a nutshell, all these bits of the investigation plan help give your writing a bit of direction and focus. They get established right at the start of the research process and are vital for keeping your study manageable, relevant, valid, transparent, and using the right resources.

Types of scope of research

1. Geographical.

Example: An investigation focused on the impact of climate change on coastal communities in Southeast Asia. Here, the geographical scope specifies the regions within Southeast Asia where data will be collected and analyzed.

2. Temporal.

Example: A scholarly work examining changes in consumer behavior during the COVID-19 pandemic from March to December 2020. The temporal scope sets the time frame for data collection and analysis, focusing specifically on the pandemic period.

3. Disciplinary.

Example: An academic paper exploring the application of artificial intelligence in diagnosing medical conditions in the field of healthcare informatics. The disciplinary scope of study specifies the field (healthcare informatics) within which artificial intelligence applications are evaluated.

3. Population.

Example: A survey was conducted among university students in a specific city to understand their attitudes towards online learning platforms. The population scope identifies the specific group or demographic (university students in a particular city) the study targets.

4. Research objectives.

Example: Investigating the effectiveness of a new teaching method on enhancing student engagement in high school mathematics classes. The scope of research objectives defines the specific goals and aims of the scholarly work, focusing on how the teaching method impacts student engagement in a particular subject area.

Types of delimitations of a study

1. Exclusion of variables.

Example: A study on employee productivity excludes factors such as personal health issues unrelated to work. This delimitation clarifies the specific variables that the study will not consider, focusing solely on work-related productivity factors.

2. Methodological delimitations.

Example: Research using only qualitative methods to explore patients’ subjective experiences in a hospital setting. Methodological delimitations specify the research methods (qualitative) that will be employed to gather and analyze data, reflecting the study’s focus on subjective experiences.

3. Sample size restrictions.

Example: An assessment of customer satisfaction limits its sample size to 200 respondents due to resource constraints. This delimitation establishes the maximum number of participants (200 respondents) that will be included in the inquiry based on practical considerations such as time, budget, and data analysis capacity.

4. Time constraints.

Example: The evaluation of the historical impact of technological advancements in the automotive industry focuses on developments from 1990 to 2020. Time limitations define the specific period (1990 to 2020) during which historical data and events related to technological advancements in the automotive industry will be analyzed.

5. Delimitations of literature review.

Example: A response paper on the effectiveness of mindfulness-based therapies in treating anxiety limits the review to studies published within the last decade. In this case, the time frame is specified (last decade) within which relevant literature and studies on mindfulness-based therapies for anxiety treatment will be analyzed, ensuring the review’s currency and relevance.

Delimitations vs limitations

These concepts are totally different, though students often confuse them. They are interconnected as they both refer to the boundaries within a study but represent different factors of those boundaries. What are limitations in research? They pertain to the shortcomings or constraints of your case study report, arising from practical or theoretical restrictions that were encountered during the research process. These could include the following factors:

  • a narrow sampling range;
  • lack of access to certain data;
  • unforeseen challenges in data collection and analysis;
  • lack of previous research on the topic;
  • lack of technology or instruments;
  • financial and funding constraints.

Limitations often creep in, and it’s up to the researcher to be honest about them because they can seriously skew the results and undermine the validity & reliability of the findings.

On the flip side, delimitations in research refer to those invisible fences the researcher sets up through deliberate choices about the focus and scope of the study. These choices determine what’s in and out, what gets looked at and what doesn’t, who’s in the population and who’s not, and what research methods will be used.

In other words, delimitations are what keep the study on track and manageable – it’s what keeps the researcher focused on what they want to achieve and stops them from getting too sidetracked & sidestepped. They also reveal the choices you make about where to concentrate your effort and what to cut loose – what to zoom in on and what to ignore.

To delve deeper into research aims and questions, which help explain delimitations, you can refer to our write my paper website. We clarify the differences between limitations and delimitations and give examples of formulating clear and focused research aims and questions that will guide your study effectively. With this knowledge, you can design a more robust and well-thought-out project, address its inherent constraints, and clearly define its intended scope.

Guidelines on writing scope and delimitation of the study

Discover some recommendations about correctly completing these sections of your academic papers.

How do you write the project’s scope?

When you learn how to start a research proposal, it’s crucial to understand how to define your project’s focus. A good scope statement addresses six key questions:

  • Why:

The purpose, objectives, and aims of the exploration. It establishes the study’s reason and what the researcher hopes to achieve.

  • What:

The subject and included variables. This defines what will be investigated, outlining the specific elements and factors that will be examined.

  • Where:

The setting of the study. This specifies where the data will be collected and defines to which entity the information will belong, ensuring clarity about the geographical or contextual limits.

  • When:

The timeframe for data collection. This indicates the period during which the study will occur, providing a temporal context for the project.

  • Who:

The population and sampling size for generalizations. This identifies the group or demographic that will be studied, ensuring that the sampling size is sufficient for making generalizations.

  • How:

The research design, methods, tools, and analysis techniques. This details how the research will be conducted, including whether it will be experimental, qualitative, or a case study and the specific methods and tools used.

In this paragraph, it’s essential to explain why certain variables were omitted from the research focus and whether these omissions were due to delimitations or a scope limitation. This helps provide a comprehensive understanding of the study’s boundaries and any constraints faced.

To begin writing your scope, you may use the following prompts:

  • The study focuses on…
  • The project covers…
  • The work aims to…

How to write delimitations?

Now that you know the answer to “What is delimitation?”, you understand that this aspect is within the researcher’s control and reflects the boundaries set intentionally. Readers need to know why specific parameters were established, what alternative options were considered, and why those alternatives were rejected. Linking these decisions back to your research question is essential, as all delimitations should result from efforts to make the project more relevant to its scope. Therefore, these elements are usually considered together when writing academic papers.

You may use the following prompts to begin completing this section:

  • The project does not cover…
  • The following has been excluded from this exploration…
  • This work is limited to…

Understanding and setting the scope and research delimitations are fundamental to ensuring its success. These elements help maintain the focus and manageability of the project, providing clarity for the researcher and the readers. You can produce more robust, relevant, and credible studies by addressing these elements thoughtfully and thoroughly. But if you feel concerned about how to deal with this section, do not hesitate to pay to write research paper and get professional support from our writing specialists with extensive experience in this field.

Final thoughts

Delimitations are pivotal in shaping the research scope and focus, ensuring that studies remain manageable and aligned with their objectives. By clearly defining these boundaries, researchers can enhance their work’s clarity, validity, and reliability. Understanding and effectively communicating study constraints is a critical skill for any student engaged in academic work, as it helps to set realistic expectations and provides a framework for evaluating the study’s findings.

Should you need assistance in writing any part of your project, EduBirdie is here to help. Our expert team is dedicated to providing the support and guidance you need to produce high-quality, well-defined writing. Whether you are struggling with formulating your research restrictions or need help refining your thesis scope, EduBirdie is ready to assist you every step of the way.

Steven Robinson
Steven Robinson

Steven Robinson is an academic writing expert with a degree in English literature. His expertise and patient approach help students communicate their ideas effectively. On EduBirdie's blog, he offers practical guides on essays, research papers, and more. Steven enjoys playing chess in his free time, sharpening his strategic mind and focus.

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