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IMRAD (Introduction, Methods, Results and Discussion)
Academic research papers in STEM disciplines typically follow a well-defined I-M-R-A-D structure: Introduction, Methods, Results And Discussion (Wu, 2011). Although not included in the IMRAD name, these papers often include a Conclusion.
Introduction
The Introduction typically provides everything your reader needs to know in order to understand the scope and purpose of your research. This section should provide:
- Context for your research (for example, the nature and scope of your topic)
- A summary of how relevant scholars have approached your research topic to date, and a description of how your research makes a contribution to the scholarly conversation
- An argument or hypothesis that relates to the scholarly conversation
- A brief explanation of your methodological approach and a justification for this approach (in other words, a brief discussion of how you gather your data and why this is an appropriate choice for your contribution)
- The main conclusions of your paper (or the “so what”)
- A roadmap, or a brief description of how the rest of your paper proceeds
The Methods section describes exactly what you did to gather the data that you use in your paper. This should expand on the brief methodology discussion in the introduction and provide readers with enough detail to, if necessary, reproduce your experiment, design, or method for obtaining data; it should also help readers to anticipate your results. The more specific, the better! These details might include:
- An overview of the methodology at the beginning of the section
- A chronological description of what you did in the order you did it
- Descriptions of the materials used, the time taken, and the precise step-by-step process you followed
- An explanation of software used for statistical calculations (if necessary)
- Justifications for any choices or decisions made when designing your methods
Because the methods section describes what was done to gather data, there are two things to consider when writing. First, this section is usually written in the past tense (for example, we poured 250ml of distilled water into the 1000ml glass beaker). Second, this section should not be written as a set of instructions or commands but as descriptions of actions taken. This usually involves writing in the active voice (for example, we poured 250ml of distilled water into the 1000ml glass beaker), but some readers prefer the passive voice (for example, 250ml of distilled water was poured into the 1000ml beaker). It’s important to consider the audience when making this choice, so be sure to ask your instructor which they prefer.
The Results section outlines the data gathered through the methods described above and explains what the data show. This usually involves a combination of tables and/or figures and prose. In other words, the results section gives your reader context for interpreting the data. The results section usually includes:
- A presentation of the data obtained through the means described in the methods section in the form of tables and/or figures
- Statements that summarize or explain what the data show
- Highlights of the most important results
Tables should be as succinct as possible, including only vital information (often summarized) and figures should be easy to interpret and be visually engaging. When adding your written explanation to accompany these visual aids, try to refer your readers to these in such a way that they provide an additional descriptive element, rather than simply telling people to look at them. This can be especially helpful for readers who find it hard to see patterns in data.
The Discussion section explains why the results described in the previous section are meaningful in relation to previous scholarly work and the specific research question your paper explores. This section usually includes:
- Engagement with sources that are relevant to your work (you should compare and contrast your results to those of similar researchers)
- An explanation of the results that you found, and why these results are important and/or interesting
Some papers have separate Results and Discussion sections, while others combine them into one section, Results and Discussion. There are benefits to both. By presenting these as separate sections, you’re able to discuss all of your results before moving onto the implications. By presenting these as one section, you’re able to discuss specific results and move onto their significance before introducing another set of results.
The Conclusion section of a paper should include a brief summary of the main ideas or key takeaways of the paper and their implications for future research. This section usually includes:
- A brief overview of the main claims and/or key ideas put forth in the paper
- A brief discussion of potential limitations of the study (if relevant)
- Some suggestions for future research (these should be clearly related to the content of your paper)
Sample Research Article
Resource Download
Wu, Jianguo. “Improving the writing of research papers: IMRAD and beyond.” Landscape Ecology 26, no. 10 (November 2011): 1345–1349. http://dx.doi.org/10.1007/s10980-011-9674-3.
Further reading:
- Organization of a Research Paper: The IMRAD Format by P. K. Ramachandran Nair and Vimala D. Nair
- George Mason University Writing Centre’s guide on Writing a Scientific Research Report (IMRAD)
- University of Wisconsin Writing Centre’s guide on Formatting Science Reports
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How to Organize a Paper: The IMRaD Format
What is the IMRaD Format?
The IMRaD (often pronounced “im-rad”) format is a scientific writing structure that includes four or five major sections: introduction (I); research methods (M); results (R); analysis (a); and discussion (D). The IMRaD format is the most commonly used format in scientific article and journal writing and is used widely across most scientific and research fields.
When Do I Use the IMRaD Format?
If you are writing a paper where you are conducting objective research in order answer a specific question, the IMRaD format will most likely serve your purposes best. The IMRaD format is especially useful if you are conducting primary research (such as experimentation, questionnaires, focus groups, observations, interviews, and so forth), but it can be applied even if you only conduct secondary research (which is research you gather from reading sources like books, magazines, journal articles, and so forth.)
The goal of using the IMRaD format is to present facts objectively, demonstrating a genuine interest and care in developing new understanding about a topic; when using this format, you don’t explicitly state an argument or opinion, but rather, you rely on collected data and previously researched information in order to make a claim.
While there are nuances and adjustments that would be made to the following document types, the IMRaD format is the foundational structure many research-driven documents:
- Recommendation reports
- Plans (such as an integrated marketing plan or project management plan)
How Does the IMRaD Format Work?
As mentioned above, the IMRaD format includes four or five major sections. The little “a” has had multiple interpretations over the years; some would suggest it means nothing other than “and,” as in “Introduction, Methods, Results, and Discussion,” but others have argued that the “a” should be viewed as “Analysis” in papers where the “Results” section may not be immediately clear and a section that analyzes the results is important for reader comprehension. Either way, the “a” often remains in lower-case to indicate that, while it’s often important, it isn’t always necessary. Below, we’ll review the five major sections, with “a” given equal weight to the other sections.
Note that these five sections should always go in the order listed below:
- Statement of the topic you are about to address
- Current state of the field of understanding (often, we call this a literature review and it may even merit having its own section)
- Problem or gap in knowledge (what don’t we know yet or need to know? what does the field still need to understand? what’s been left out of previous research? is this a new issue that needs some direction?)
- Forecast statement that explains, very briefly, what the rest of the paper will entail, including a possible quick explanation of the type of research that needs to be conducted
- Separate each type of research you conducted (interviews, focus groups, experiments, etc.) into sub-sections and only discuss one research method in each sub-section (for clarity and organization, it’s important to not talk about multiple methods at once)
- Be very detailed about your process. If you interviewed people, for example, we need to know how many people you interviewed, what you asked them, what you hoped to learn by interviewing them, why chose to interview over other methods, why you interviewed those people specifically (including providing they demographic information if it’s relevant), and so forth. For other types of data collection, we need to know what your methods were–how long you observed; how frequently you tested; how you coded qualitative data; and so forth.
- Don’t discuss what the research means. You’ll use the next two sections–Analysis and Discussion–to talk about what the research means. To stay organized, simply discuss your research methods. This is the single biggest mistake when writing research papers, so don’t fall into that trap.
- Results: The results section is critical for your audience to understand what the research showed. Use this section to show tables, charts, graphs, quotes, etc. from your research. At this point, you are building your reader towards drawn conclusions, but you are not yet providing a full analysis. You’re simply showing what the data says. Follow the same order as the Methods section–if you put interviews first, then focus groups second, do the same in this section. Be sure, when you include graphics and images, that you label and title every table or graphic (“ Table 3: Interview Results “) and that you introduce them in the body of your text (“As you can see in Figure 1 , seventy-nine percent of respondents…”)
- Analysis: The analysis section details what you and others may learn from the data. While some researchers like to combine this section with the Discussion section, many writers and researchers find it useful to analyze the data separately. In the analysis section, spend time connecting the dots for the reader. What do the interviews say about the way employers think about their employees? What do the observations say about how employees respond to workplace criticism? Can any connections be made between the two research types? It’s important in the Analysis section that you don’t draw conclusions that the research findings don’t suggest. Always stick to what the research says.
- Discussion: Finally, you conclude this paper by suggesting what new knowledge this provides to the field. You’ll often want to note the limitations of your study and what further research still needs to be done. If something alarming or important was discovered, this is where you highlight that information. If you use the IMRaD format to write other types of papers (like a recommendation report or a plan), this is where you put the recommendations or the detailed plan.
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Structure of a Research Paper
Structure of a Research Paper: IMRaD Format
I. The Title Page
- Title: Tells the reader what to expect in the paper.
- Author(s): Most papers are written by one or two primary authors. The remaining authors have reviewed the work and/or aided in study design or data analysis (International Committee of Medical Editors, 1997). Check the Instructions to Authors for the target journal for specifics about authorship.
- Keywords [according to the journal]
- Corresponding Author: Full name and affiliation for the primary contact author for persons who have questions about the research.
- Financial & Equipment Support [if needed]: Specific information about organizations, agencies, or companies that supported the research.
- Conflicts of Interest [if needed]: List and explain any conflicts of interest.
II. Abstract: “Structured abstract” has become the standard for research papers (introduction, objective, methods, results and conclusions), while reviews, case reports and other articles have non-structured abstracts. The abstract should be a summary/synopsis of the paper.
III. Introduction: The “why did you do the study”; setting the scene or laying the foundation or background for the paper.
IV. Methods: The “how did you do the study.” Describe the --
- Context and setting of the study
- Specify the study design
- Population (patients, etc. if applicable)
- Sampling strategy
- Intervention (if applicable)
- Identify the main study variables
- Data collection instruments and procedures
- Outline analysis methods
V. Results: The “what did you find” --
- Report on data collection and/or recruitment
- Participants (demographic, clinical condition, etc.)
- Present key findings with respect to the central research question
- Secondary findings (secondary outcomes, subgroup analyses, etc.)
VI. Discussion: Place for interpreting the results
- Main findings of the study
- Discuss the main results with reference to previous research
- Policy and practice implications of the results
- Strengths and limitations of the study
VII. Conclusions: [occasionally optional or not required]. Do not reiterate the data or discussion. Can state hunches, inferences or speculations. Offer perspectives for future work.
VIII. Acknowledgements: Names people who contributed to the work, but did not contribute sufficiently to earn authorship. You must have permission from any individuals mentioned in the acknowledgements sections.
IX. References: Complete citations for any articles or other materials referenced in the text of the article.
- IMRD Cheatsheet (Carnegie Mellon) pdf.
- Adewasi, D. (2021 June 14). What Is IMRaD? IMRaD Format in Simple Terms! . Scientific-editing.info.
- Nair, P.K.R., Nair, V.D. (2014). Organization of a Research Paper: The IMRAD Format. In: Scientific Writing and Communication in Agriculture and Natural Resources. Springer, Cham. https://doi.org/10.1007/978-3-319-03101-9_2
- Sollaci, L. B., & Pereira, M. G. (2004). The introduction, methods, results, and discussion (IMRAD) structure: a fifty-year survey. Journal of the Medical Library Association : JMLA , 92 (3), 364–367.
- Cuschieri, S., Grech, V., & Savona-Ventura, C. (2019). WASP (Write a Scientific Paper): Structuring a scientific paper. Early human development , 128 , 114–117. https://doi.org/10.1016/j.earlhumdev.2018.09.011
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What is IMRaD?
IMRaD is an acronym for Introduction , Methods , Results , and Discussion . It describes the format for the sections of a research report. The IMRaD (or IMRD) format is often used in the social sciences, as well as in the STEM fields.
Credit: IMRD: The Parts of a Research Paper by Wordvice Editing Service on YouTube
Outline of Scholarly Writing
With some variation among the different disciplines, most scholarly articles of original research follow the IMRD model, which consists of the following components:
Introduction
- Statement of Problem (i.e. "the Gap")
- Plan to Solve the Problem
Method & Results
- How Research was Done
- What Answers were Found
- Interpretation of Results (What Does It Mean?)
- Implications for the Field
This form is most obvious in scientific studies, where the methods are clearly defined and described, and data is often presented in tables or graphs for analysis.
In other fields, such as history, the method and results may be embedded in a narrative, perhaps describing and interpreting events from archival sources. In this case, the method is the selection of archival sources and how they were interpreted, while the results are the interpretation and resultant story.
In full-length books, you might see this general pattern followed over the entire book, within each chapter, or both.
Credit: Howard-Tilton Memorial Library at Tulane University. This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License .
IMRAD Format
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The IMRaD (often pronounced “im-rad”) format is the most commonly used format in scientific article and journal writing and is used widely across most scientific and research fields.
What is an IMRaD report? “IMRaD” format refers to a paper that is structured by four main sections: Introduction, Methods, Results, and Discussion. This format is often used for lab reports as well as for reporting any planned, systematic research in the social sciences, natural sciences, or engineering and computer sciences.
The Introduction typically provides everything your reader needs to know in order to understand the scope and purpose of your research. This section should provide: Context for your research (for example, the nature and scope of your topic)
The IMRaD (often pronounced “im-rad”) format is a scientific writing structure that includes four or five major sections: introduction (I); research methods (M); results (R); analysis (a); and discussion (D).
Reports of research studies usually follow the IMRAD format. IMRAD (Introduction, Methods, Results, [and] Discussion) is a mnemonic for the major components of a scientific paper. These elements are included in the overall structure outlined below.
What is IMRaD? IMRaD is an acronym for Introduction, Methods, Results, and Discussion. It describes the format for the sections of a research report. The IMRaD (or IMRD) format is often used in the social sciences, as well as in the STEM fields.