apa style research paper sections

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Writing Research Papers

• Research Paper Structure

Whether you are writing a B.S. Degree Research Paper or completing a research report for a Psychology course, it is highly likely that you will need to organize your research paper in accordance with American Psychological Association (APA) guidelines.  Here we discuss the structure of research papers according to APA style.

Major Sections of a Research Paper in APA Style

A complete research paper in APA style that is reporting on experimental research will typically contain a Title page, Abstract, Introduction, Methods, Results, Discussion, and References sections. 1  Many will also contain Figures and Tables and some will have an Appendix or Appendices.  These sections are detailed as follows (for a more in-depth guide, please refer to " How to Write a Research Paper in APA Style ”, a comprehensive guide developed by Prof. Emma Geller). 2

What is this paper called and who wrote it? – the first page of the paper; this includes the name of the paper, a “running head”, authors, and institutional affiliation of the authors.  The institutional affiliation is usually listed in an Author Note that is placed towards the bottom of the title page.  In some cases, the Author Note also contains an acknowledgment of any funding support and of any individuals that assisted with the research project.

One-paragraph summary of the entire study – typically no more than 250 words in length (and in many cases it is well shorter than that), the Abstract provides an overview of the study.

Introduction

What is the topic and why is it worth studying? – the first major section of text in the paper, the Introduction commonly describes the topic under investigation, summarizes or discusses relevant prior research (for related details, please see the Writing Literature Reviews section of this website), identifies unresolved issues that the current research will address, and provides an overview of the research that is to be described in greater detail in the sections to follow.

What did you do? – a section which details how the research was performed.  It typically features a description of the participants/subjects that were involved, the study design, the materials that were used, and the study procedure.  If there were multiple experiments, then each experiment may require a separate Methods section.  A rule of thumb is that the Methods section should be sufficiently detailed for another researcher to duplicate your research.

What did you find? – a section which describes the data that was collected and the results of any statistical tests that were performed.  It may also be prefaced by a description of the analysis procedure that was used. If there were multiple experiments, then each experiment may require a separate Results section.

What is the significance of your results? – the final major section of text in the paper.  The Discussion commonly features a summary of the results that were obtained in the study, describes how those results address the topic under investigation and/or the issues that the research was designed to address, and may expand upon the implications of those findings.  Limitations and directions for future research are also commonly addressed.

List of articles and any books cited – an alphabetized list of the sources that are cited in the paper (by last name of the first author of each source).  Each reference should follow specific APA guidelines regarding author names, dates, article titles, journal titles, journal volume numbers, page numbers, book publishers, publisher locations, websites, and so on (for more information, please see the Citing References in APA Style page of this website).

Tables and Figures

Graphs and data (optional in some cases) – depending on the type of research being performed, there may be Tables and/or Figures (however, in some cases, there may be neither).  In APA style, each Table and each Figure is placed on a separate page and all Tables and Figures are included after the References.   Tables are included first, followed by Figures.   However, for some journals and undergraduate research papers (such as the B.S. Research Paper or Honors Thesis), Tables and Figures may be embedded in the text (depending on the instructor’s or editor’s policies; for more details, see "Deviations from APA Style" below).

Supplementary information (optional) – in some cases, additional information that is not critical to understanding the research paper, such as a list of experiment stimuli, details of a secondary analysis, or programming code, is provided.  This is often placed in an Appendix.

Variations of Research Papers in APA Style

Although the major sections described above are common to most research papers written in APA style, there are variations on that pattern.  These variations include: 

• Literature reviews – when a paper is reviewing prior published research and not presenting new empirical research itself (such as in a review article, and particularly a qualitative review), then the authors may forgo any Methods and Results sections. Instead, there is a different structure such as an Introduction section followed by sections for each of the different aspects of the body of research being reviewed, and then perhaps a Discussion section. 
• Multi-experiment papers – when there are multiple experiments, it is common to follow the Introduction with an Experiment 1 section, itself containing Methods, Results, and Discussion subsections. Then there is an Experiment 2 section with a similar structure, an Experiment 3 section with a similar structure, and so on until all experiments are covered.  Towards the end of the paper there is a General Discussion section followed by References.  Additionally, in multi-experiment papers, it is common for the Results and Discussion subsections for individual experiments to be combined into single “Results and Discussion” sections.

Departures from APA Style

In some cases, official APA style might not be followed (however, be sure to check with your editor, instructor, or other sources before deviating from standards of the Publication Manual of the American Psychological Association).  Such deviations may include:

• Placement of Tables and Figures  – in some cases, to make reading through the paper easier, Tables and/or Figures are embedded in the text (for example, having a bar graph placed in the relevant Results section). The embedding of Tables and/or Figures in the text is one of the most common deviations from APA style (and is commonly allowed in B.S. Degree Research Papers and Honors Theses; however you should check with your instructor, supervisor, or editor first). 
• Incomplete research – sometimes a B.S. Degree Research Paper in this department is written about research that is currently being planned or is in progress. In those circumstances, sometimes only an Introduction and Methods section, followed by References, is included (that is, in cases where the research itself has not formally begun).  In other cases, preliminary results are presented and noted as such in the Results section (such as in cases where the study is underway but not complete), and the Discussion section includes caveats about the in-progress nature of the research.  Again, you should check with your instructor, supervisor, or editor first.
• Class assignments – in some classes in this department, an assignment must be written in APA style but is not exactly a traditional research paper (for instance, a student asked to write about an article that they read, and to write that report in APA style). In that case, the structure of the paper might approximate the typical sections of a research paper in APA style, but not entirely.  You should check with your instructor for further guidelines.

Workshops and Downloadable Resources

• For in-person discussion of the process of writing research papers, please consider attending this department’s “Writing Research Papers” workshop (for dates and times, please check the undergraduate workshops calendar).

Downloadable Resources

• How to Write APA Style Research Papers (a comprehensive guide) [ PDF ]
• Tips for Writing APA Style Research Papers (a brief summary) [ PDF ]
• Example APA Style Research Paper (for B.S. Degree – empirical research) [ PDF ]
• Example APA Style Research Paper (for B.S. Degree – literature review) [ PDF ]

Further Resources

How-To Videos     

• Writing Research Paper Videos

APA Journal Article Reporting Guidelines

• Appelbaum, M., Cooper, H., Kline, R. B., Mayo-Wilson, E., Nezu, A. M., & Rao, S. M. (2018). Journal article reporting standards for quantitative research in psychology: The APA Publications and Communications Board task force report . American Psychologist , 73 (1), 3.
• Levitt, H. M., Bamberg, M., Creswell, J. W., Frost, D. M., Josselson, R., & Suárez-Orozco, C. (2018). Journal article reporting standards for qualitative primary, qualitative meta-analytic, and mixed methods research in psychology: The APA Publications and Communications Board task force report . American Psychologist , 73 (1), 26.  

External Resources

• Formatting APA Style Papers in Microsoft Word
• How to Write an APA Style Research Paper from Hamilton University
• WikiHow Guide to Writing APA Research Papers
• Sample APA Formatted Paper with Comments
• Sample APA Formatted Paper
• Tips for Writing a Paper in APA Style

1 VandenBos, G. R. (Ed). (2010). Publication manual of the American Psychological Association (6th ed.) (pp. 41-60).  Washington, DC: American Psychological Association.

2 geller, e. (2018).  how to write an apa-style research report . [instructional materials]. , prepared by s. c. pan for ucsd psychology.

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• Formatting Research Papers
• Using Databases and Finding References
• What Types of References Are Appropriate?
• Evaluating References and Taking Notes
• Citing References
• Writing a Literature Review
• Writing Process and Revising
• Improving Scientific Writing
• Academic Integrity and Avoiding Plagiarism
• Writing Research Papers Videos

How to Write a Research Paper in APA Format — A Complete Guide

Completed your research experiments and collated your results? Does it feel like you have crossed a major hurdle in your research journey? No, not even close! What lies next is — publishing your research work for it to reach the science world! The process of publishing a research paper is so intricate, if you miss one aspect, you could end up struggling with revisions and reworks or getting a rejection! Thus, there is a necessity of following an exceptional mode of writing. The APA style research format comes to a researcher’s rescue.

This article discusses how to effortlessly write an APA style research paper and how it is necessary to understand the basic elements of APA style research paper in order to write an article in APA style research format.

Table of Contents

What Is APA Style?

The APA format is the official style of American Psychological Association (APA) and is commonly used to cite sources in psychology, education and social sciences. APA research paper format is widely used in the research publishing industry.

Students and researchers usually get confused with various research paper writing formats and are unclear about the requirements from the research publication journals. Therefore, the best way to deal with beginning to write a research paper is to first know the journal’s requirement and then follow the guidelines accordingly.

Though the reference section may change over the course of time, the information related to the other sections in APA research paper format is similar and could be referred to, for writing an exemplary research paper.

Guidelines for APA Style Paper (7th edition)

An APA style research format is different as compared to a term paper, a creative writing paper, a composition-style paper, or a thought paper. Throughout the paper you need to apply these guidelines while writing the paper –

Page Layout:

Type the content and keep double-space on standard-sized paper (8.5” x 11”), with 1” margins on all sides.

You should indent the first line of every paragraph 0.5 inches

Include a page number on every page.

You could use an accessible font like Times New Roman 12pt., Arial 11pt., or Georgia 11pt.

APA Research Paper Sections

The APA research paper format is based on seven main components: title page, abstract, introduction, methods, results, discussion, and references. The sections in APA-style paper are as follows:

1. Title Page

As per the APA research paper format, the title should be between 10-12 words and should reflect the essence of the paper. After writing the title, write your name followed by name of the college. Furthermore, create a page header using the “View Header” function in MS Word and on the title page include a running head — a short title that appears at the top of pages of published articles (flush left) and page number on the same line (flush right). The running head should not exceed 50 characters, including punctuation and spacing. Moreover, you could use the toolbox to insert a page number, so that it automatically numbers each page.

2. Abstract

Abstract should contain no more than 120 words , and should be one paragraph written in block format with double spacing. Additionally, state the topic in a sentence or two. Also, provide overview of methods, results, and discussion.

APA Style – Abstract in APA Style

3. Introduction

An introduction of APA research paper format is the most difficult section to write. A good introduction critically evaluates the empirical knowledge in the relevant area(s) in a way that defines the knowledge gap and expresses your aim for your study and why you conducted it. However, the challenge here is to keep the reader’s interest in reading your paper.

A good introduction keeps readers engaged with your paper. For writing an interesting introduction, researchers should introduce logical flow of ideas which will eventually lead to the research hypothesis . Furthermore, while incorporating references into your introduction, do not describe every single study in complete detail. Summarize the key findings from the article and do not quote from the articles, instead paraphrase the content .

The method section in APA research paper format is straightforward. However, the protocol and requirements should be mentioned precisely. The goal of this section is to describe your study and experiments in detail, so that there is no issue in reproducibility of results and other researchers could duplicate your methods effectively.

This section includes Materials and/or Apparatus and Experiments/Procedures/Protocols. Furthermore, keep the procedures brief and accurate, and make sure to read through so as to not repeat the steps or avoid redundancy.

In this section, you could describe how you analyzed the data and explain your findings. If your data analyses are complex, then break the section into subsections, ideally a subsection for each hypothesis and elaborate the subsections by using statistical analysis and including tables or figures to represent results visually. Most importantly, do not share interpretation of the results here. You can interpret and explain the results in the discussion section.

6. Discussion

Results are interpreted and understood in this section. Discussion section helps understand the research hypothesis better and places the results in the broader context of the literature in the area. This section is the reversal of introduction section, wherein you begin with the specifics and explain the general understanding of the topics.

In discussion, you start with a brief of your main findings, followed by explaining if your research findings support your hypothesis. Furthermore, you could explain how your findings enhance or support the existing literature on the topic. Connect your results with some of the literature mentioned in the introduction to bring your story back to full circle. You could also mention if there are any interesting or surprising findings in your results. Discuss other theories which could help you justify your surprising results.

Explain the limitation of your study and mention all the additional questions that were generated from your study. You could also mention what further research should be conducted on the topic and what are the knowledge gaps in the current body of research. Finally, mention how your results could relate to the larger issues of human existence and highlight “the big picture” for your readers.

7. References

Provide an alphabetical listing of the references. Do not keep extra spaces between references and double-space all the references. The second line of each reference should be intended. You could refer to the examples (mentioned below) to know how to format references correctly.

I. Journal Article:

Only first letter of the first word of the article title is capitalized; the journal name and volume are italicized. If the journal name had multiple words, each of the major words are capitalized.

Example: Ebner-Priemer, U. W., & Trull, T. J. (2009). Ecological momentary assessment of mood disorders and mood dysregulation. Psychological Assessment, 21 , 463-475. doi:10.1037/a0017075

II. Book Chapter:

Only the first letter of the first word of both the chapter title and book title are capitalized.

Example: Stephan, W. G. (1985). Intergroup relations. In G. Lindzey & E. Aronson (Eds.), The handbook of social psychology (3rd ed., Vol. 2, pp. 599-658). New York: Random House.

Example: Gray, P. (2010). Psychology (6th ed.). New York: Worth

There are various formats for tables, depending upon the information you wish to include. So, be thorough and provide a table number and title (the latter should be italicized). Tables can be single or double-spaced.

Be sure to mention x- and y-axes clearly. Underneath the figure provide a label and brief caption. The figure caption typically includes variables and units of measurements. Also, include error bars in your bar graphs, and note what the bars represent in the figure caption – Error bars represent one standard error above and below the mean.

VI. In-Text Citation:

• Mention the authors’ names and publication date while citing sources in your paper.
• When including the citation as part of the sentence, use AND: “According to Jones and Smith (2003), the…”
• When the citation is written in parentheses, use &: “Studies have shown that priming can affect actual motor behavior (Jones & Smith, 2003; Kiley, Bailey, & Hammer, 1999). The studies in parentheses should appear alphabetically by first author’s last name, and separate it with semicolons.
• You should avoid quoting directly, but in case you do – along with the name and date, include the page number.
• For sources with three or more authors, once you have listed all the authors’ names, you may write “et al.” on subsequent mentions: “Klein et al. (1999) found that…”.
• Meanwhile, when source has six or more authors, the first author’s last name and “et al.” are used every time the source is cited.

VII. Secondary Source:

It is a term used to describe material that is cited in another source. Avoid using secondary sources in your papers. Try to find the primary source and read it before citing in your work. However, if you must mention a secondary source, refer to the APA style paper example below:

Primary source author’s last name (as cited in secondary source author’s last name, year) argued that…

7 Tips for Writing an Error-free APA Style Research Paper

• Although there are exceptions, minimize using first person while writing.
• Avoid including personal statements or anecdotes.
• Although there are exceptions, use past tense while writing.
• Do not use contractions. (e.g., “it does not follow” rather than “it doesn’t follow”)
• Avoid biased language – Be updated with appropriate terminologies, especially if you are writing a paper that includes gender, race, ethnicity, sexual orientation, etc.
• Be certain to cite your sources.
• Try to paraphrase as much as possible, and do not directly quote from source articles.

This article contains only a few aspects of an APA research paper format. There are many APA style rules which can be explored before you begin to write an APA style research paper. Many of the APA research paper format rules are dynamic and subject to change, so it is best to refer to 7 th edition (latest) of the APA Publication Manual and be thorough with every section’s format before writing a research paper.

Have you used an APA research paper format to write your article? Do write to us or comment below and tell us how your experience writing an APA style paper was?

Frequently Asked Questions

The APA format is the official style of American Psychological Association (APA) and is commonly used to cite sources in psychology, education and social sciences.

APA stands for the American Psychological Association. It is a professional organization that focuses on the field of psychology and related disciplines.

Citing sources in APA format involves specific guidelines for different types of sources. In-text Citations: For a paraphrased or summarized idea from a source, include the author's last name and the publication year in parentheses. Example: (Smith, 2021) Reference List Entry for a Journal Article: Only first letter of the first word of the article title is capitalized; the journal name and volume are italicized. If the journal name had multiple words, each of the major words are capitalized. Example: Ebner-Priemer, U. W., & Trull, T. J. (2009). Ecological momentary assessment of mood disorders and mood dysregulation. Psychological Assessment, 21, 463-475. doi:10.1037/a0017075

The APA (American Psychological Association) style is primarily used by researchers, scholars, and students in the social sciences, including psychology, sociology, education, and related fields. However, the APA style is not limited to these disciplines and is also used in other academic and scientific fields when writing research papers or scholarly articles.

As per the 7th edition of APA citation (published in 2020), the last name and first/middle initials for all authors (up to first 20 authors) are mentioned in the bibliography. If there are 21 or more authors, an ellipsis (but no ampersand) is used after the 19th author, and then the final author’s name is added. Generic format: Author, A. A., Author, B. B., & Author, C. C. (Year). Title of article. Title of Journal, Volume # (issue number), Pages. https://doi.org/xx.xxx/yyyy Example: Ebner-Priemer, U. W., & Trull, T. J. (2009). Ecological momentary assessment of mood disorders and mood dysregulation. Psychological Assessment, 21, 463-475. doi:10.1037/a0017075

When quoting in APA format, you need to properly incorporate and cite direct quotations from sources. Introduce the Quote: Begin with a signal phrase or an introductory statement to lead into the quote. This helps provide context and relevance for the quotation. Provide In-text Citation: Immediately after the closing quotation mark, include an in-text citation that provides the author's last name, publication year, and, if applicable, page number(s) of the quoted material. Example: (Smith, 2021, p. 25) Cite the Source in the Reference List: Include a corresponding entry in the reference list for the source you are quoting. The format for the reference list entry depends on the type of source being quoted (e.g., book, journal article, website).

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Please use the example at the bottom of this page to cite the Purdue OWL in APA.

You can also watch our APA vidcast series on the Purdue OWL YouTube Channel .

General APA Guidelines

Your essay should be typed and double-spaced on standard-sized paper (8.5" x 11"), with 1" margins on all sides.   Include a page header (also known as the “ running head ”) at the top of every page. For a professional paper, this includes your paper title and the page number. For a student paper, this only includes the page number. To create a page header/running head , insert page numbers flush right. Then type "TITLE OF YOUR PAPER" in the header flush left using all capital letters. The running head is a shortened version of your paper's title and cannot exceed 50 characters including spacing and punctuation.

The 7th edition of the APA Publication Manual requires that the chosen font be accessible (i.e., legible) to all readers and that it be used consistently throughout the paper. It acknowledges that many font choices are legitimate, and it advises writers to check with their publishers, instructors, or institutions for guidance in cases of uncertainty.

While the APA Manual does not specify a single font or set of  fonts for professional writing, it does recommend a few fonts that are widely available. These include sans serif fonts such as 11-point Calibri, 11-point Arial, and 10-point Lucida Sans Unicode as well as serif fonts such as 12-point Times New Roman, 11-point Georgia, 10-point Computer Modern.

Major Paper Sections

Your essay should include four major sections: the Title Page , Abstract , Main Body , and References .

Note: APA 7 provides slightly different directions for formatting the title pages of professional papers (e.g., those intended for scholarly publication) and student papers (e.g., those turned in for credit in a high school or college course).

The title page should contain the title of the paper, the author's name , and the institutional affiliation . A professional paper should also include the author note . A student paper should also include the course number and name , instructor name , and assignment due date .

Type your title in upper and lowercase letters centered in the upper half of the page. The title should be centered and written in boldface. APA recommends that your title be focused and succinct and that it should not contain abbreviations or words that serve no purpose. Your title may take up one or two lines. All text on the title page, and throughout your paper, should be double-spaced.

Beneath the title, type the author's name : first name, middle initial(s), and last name. Do not use titles (Dr.) or degrees (PhD).

Beneath the author's name, type the institutional affiliation , which should indicate the location where the author(s) conducted the research.

A professional paper should include the author note beneath the institutional affiliation, in the bottom half of the title page. This should be divided up into several paragraphs, with any paragraphs that are not relevant omitted. The first paragraph should include the author’s name, the symbol for the ORCID iD, and the URL for the ORCID iD. Any authors who do not have an ORCID iD should be omitted. The second paragraph should show any change in affiliation or any deaths of the authors. The third paragraph should include any disclosures or acknowledgements, such as study registration, open practices and data sharing, disclosure of related reports and conflicts of interest, and acknowledgement of financial support and other assistance. The fourth paragraph should include contact information for the corresponding author.

A student paper should not include an author note.

Note again that page headers/page numbers (described above for professional and student papers) also appear at the top of the title page. In other words, a professional paper's title page will include the title of the paper flush left in all capitals and the page number flush right, while a student paper will only contain the page number flush right.

Student APA title page

Title page for a student paper in APA 7 style.

Professional paper APA title page

Title page for a professional paper in APA 7 style.

Begin a new page. Your abstract page should already include the page header (described above). On the first line of the abstract page, center and bold the word “Abstract” (no italics, underlining, or quotation marks).

Beginning with the next line, write a concise summary of the key points of your research. (Do not indent.) Your abstract should contain at least your research topic, research questions, participants, methods, results, data analysis, and conclusions. You may also include possible implications of your research and future work you see connected with your findings. Your abstract should be a single paragraph, double-spaced. Your abstract should typically be no more than 250 words.

You may also want to list keywords from your paper in your abstract. To do this, indent as you would if you were starting a new paragraph, type Keywords: (italicized), and then list your keywords. Listing your keywords will help researchers find your work in databases.

Abstracts are common in scholarly journal articles and are not typically required for student papers unless advised by an instructor. If you are unsure whether or not your work requires an abstract, consult your instructor for further guidance.

APA Abstract Page

Abstract page for a student paper in APA 7 style.

Please see our Sample APA Paper resource to see an example of an APA paper. You may also visit our Additional Resources page for more examples of APA papers.

How to Cite the Purdue OWL in APA

Individual resources.

The page template for the new OWL site does not include contributors' names or the page's last edited date. However, select pages  still include this information.

In the absence of contributor/edit date information, treat the page as a source with a group author and use the abbreviation "n.d." for "no date":

Purdue Online Writing Lab. (n.d.).  Title of resource.  Purdue Online Writing Lab. http://Web address for OWL resource

Purdue Online Writing Lab. (n.d.).  General Writing FAQs. Purdue Online Writing Lab. https://owl.purdue.edu/owl/general_writing/general_writing_faqs.html

The generic APA citation for OWL pages, which includes author/edit date information, is this:

Contributors' names. (Last edited date).  Title of resource . Site Name. http://Web address for OWL resource

Note:  This page reflects the latest version of the APA Publication Manual (i.e., APA 7), which released in October 2019. The equivalent resource for the older APA 6 style  can be found here .

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Four Basic Parts of APA Style

• The TITLE PAGE  includes the title of the paper, the author’s name, and identification information/institutional affiliation (for example, The University of Central Arkansas). For student papers, the title page should also include the course name and number, the instructor’s name, and the assignment due date. Start numbering pages with the cover page. The title of the paper should be in boldface. Additional information should follow two lines below the title, and should be in regular text. 
• The ABSTRACT should be on a separate page, following the title page, and should already include the page number. Title the page “Abstract” in boldface text. Write a short summary of the key points of your paper. It should be about 150-250 words. Not all professors require this, so be sure to check your assignment sheets.
• The MAIN BODY  of your paper includes the page numbers, a centered boldface title, and body of text. It will most likely include in-text citations , and can utilize headings to create sections.
• The REFERENCE PAGE includes a list of sources that you cited within the body of your paper.  The title of this page should be centered at the top of the page, and read “References” in bold text. 

**NOTE that  running heads are no longer required for student papers under the 7th edition of APA. Instead, a student paper heading should only include the page number. 

You can see an example APA paper here. *Check with your professor for any specific heading structures required for an assignment.

**All parts of the paper should be in one of the following fonts: 12-point Times New Roman, 11-point Arial, 11-point Georgia, 11-point Calibri, or 10-point Lucida Sans Unicod. The paper should also utilize 1-inch margins throughout.

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• How to write an APA methods section

How to Write an APA Methods Section | With Examples

Published on February 5, 2021 by Pritha Bhandari . Revised on June 22, 2023.

The methods section of an APA style paper is where you report in detail how you performed your study. Research papers in the social and natural sciences often follow APA style. This article focuses on reporting quantitative research methods .

In your APA methods section, you should report enough information to understand and replicate your study, including detailed information on the sample , measures, and procedures used.

Table of contents

Structuring an apa methods section.

Participants

Example of an APA methods section

Other interesting articles, frequently asked questions about writing an apa methods section.

The main heading of “Methods” should be centered, boldfaced, and capitalized. Subheadings within this section are left-aligned, boldfaced, and in title case. You can also add lower level headings within these subsections, as long as they follow APA heading styles .

To structure your methods section, you can use the subheadings of “Participants,” “Materials,” and “Procedures.” These headings are not mandatory—aim to organize your methods section using subheadings that make sense for your specific study.

Note that not all of these topics will necessarily be relevant for your study. For example, if you didn’t need to consider outlier removal or ways of assigning participants to different conditions, you don’t have to report these steps.

The APA also provides specific reporting guidelines for different types of research design. These tell you exactly what you need to report for longitudinal designs , replication studies, experimental designs , and so on. If your study uses a combination design, consult APA guidelines for mixed methods studies.

Detailed descriptions of procedures that don’t fit into your main text can be placed in supplemental materials (for example, the exact instructions and tasks given to participants, the full analytical strategy including software code, or additional figures and tables).

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Begin the methods section by reporting sample characteristics, sampling procedures, and the sample size.

Participant or subject characteristics

When discussing people who participate in research, descriptive terms like “participants,” “subjects” and “respondents” can be used. For non-human animal research, “subjects” is more appropriate.

Specify all relevant demographic characteristics of your participants. This may include their age, sex, ethnic or racial group, gender identity, education level, and socioeconomic status. Depending on your study topic, other characteristics like educational or immigration status or language preference may also be relevant.

Be sure to report these characteristics as precisely as possible. This helps the reader understand how far your results may be generalized to other people.

The APA guidelines emphasize writing about participants using bias-free language , so it’s necessary to use inclusive and appropriate terms.

Sampling procedures

Outline how the participants were selected and all inclusion and exclusion criteria applied. Appropriately identify the sampling procedure used. For example, you should only label a sample as random  if you had access to every member of the relevant population.

Of all the people invited to participate in your study, note the percentage that actually did (if you have this data). Additionally, report whether participants were self-selected, either by themselves or by their institutions (e.g., schools may submit student data for research purposes).

Identify any compensation (e.g., course credits or money) that was provided to participants, and mention any institutional review board approvals and ethical standards followed.

Sample size and power

Detail the sample size (per condition) and statistical power that you hoped to achieve, as well as any analyses you performed to determine these numbers.

It’s important to show that your study had enough statistical power to find effects if there were any to be found.

Additionally, state whether your final sample differed from the intended sample. Your interpretations of the study outcomes should be based only on your final sample rather than your intended sample.

Write up the tools and techniques that you used to measure relevant variables. Be as thorough as possible for a complete picture of your techniques.

Primary and secondary measures

Define the primary and secondary outcome measures that will help you answer your primary and secondary research questions.

Specify all instruments used in gathering these measurements and the construct that they measure. These instruments may include hardware, software, or tests, scales, and inventories.

• To cite hardware, indicate the model number and manufacturer.
• To cite common software (e.g., Qualtrics), state the full name along with the version number or the website URL .
• To cite tests, scales or inventories, reference its manual or the article it was published in. It’s also helpful to state the number of items and provide one or two example items.

Make sure to report the settings of (e.g., screen resolution) any specialized apparatus used.

For each instrument used, report measures of the following:

• Reliability : how consistently the method measures something, in terms of internal consistency or test-retest reliability.
• Validity : how precisely the method measures something, in terms of construct validity  or criterion validity .

Giving an example item or two for tests, questionnaires , and interviews is also helpful.

Describe any covariates—these are any additional variables that may explain or predict the outcomes.

Quality of measurements

Review all methods you used to assure the quality of your measurements.

These may include:

• training researchers to collect data reliably,
• using multiple people to assess (e.g., observe or code) the data,
• translation and back-translation of research materials,
• using pilot studies to test your materials on unrelated samples.

For data that’s subjectively coded (for example, classifying open-ended responses), report interrater reliability scores. This tells the reader how similarly each response was rated by multiple raters.

Report all of the procedures applied for administering the study, processing the data, and for planned data analyses.

Data collection methods and research design

Data collection methods refers to the general mode of the instruments: surveys, interviews, observations, focus groups, neuroimaging, cognitive tests, and so on. Summarize exactly how you collected the necessary data.

Describe all procedures you applied in administering surveys, tests, physical recordings, or imaging devices, with enough detail so that someone else can replicate your techniques. If your procedures are very complicated and require long descriptions (e.g., in neuroimaging studies), place these details in supplementary materials.

To report research design, note your overall framework for data collection and analysis. State whether you used an experimental, quasi-experimental, descriptive (observational), correlational, and/or longitudinal design. Also note whether a between-subjects or a within-subjects design was used.

For multi-group studies, report the following design and procedural details as well:

• how participants were assigned to different conditions (e.g., randomization),
• instructions given to the participants in each group,
• interventions for each group,
• the setting and length of each session(s).

Describe whether any masking was used to hide the condition assignment (e.g., placebo or medication condition) from participants or research administrators. Using masking in a multi-group study ensures internal validity by reducing research bias . Explain how this masking was applied and whether its effectiveness was assessed.

Participants were randomly assigned to a control or experimental condition. The survey was administered using Qualtrics (https://www.qualtrics.com). To begin, all participants were given the AAI and a demographics questionnaire to complete, followed by an unrelated filler task. In the control condition , participants completed a short general knowledge test immediately after the filler task. In the experimental condition, participants were asked to visualize themselves taking the test for 3 minutes before they actually did. For more details on the exact instructions and tasks given, see supplementary materials.

Data diagnostics

Outline all steps taken to scrutinize or process the data after collection.

This includes the following:

• Procedures for identifying and removing outliers
• Data transformations to normalize distributions
• Compensation strategies for overcoming missing values

To ensure high validity, you should provide enough detail for your reader to understand how and why you processed or transformed your raw data in these specific ways.

Analytic strategies

The methods section is also where you describe your statistical analysis procedures, but not their outcomes. Their outcomes are reported in the results section.

These procedures should be stated for all primary, secondary, and exploratory hypotheses. While primary and secondary hypotheses are based on a theoretical framework or past studies, exploratory hypotheses are guided by the data you’ve just collected.

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This annotated example reports methods for a descriptive correlational survey on the relationship between religiosity and trust in science in the US. Hover over each part for explanation of what is included.

The sample included 879 adults aged between 18 and 28. More than half of the participants were women (56%), and all participants had completed at least 12 years of education. Ethics approval was obtained from the university board before recruitment began. Participants were recruited online through Amazon Mechanical Turk (MTurk; www.mturk.com). We selected for a geographically diverse sample within the Midwest of the US through an initial screening survey. Participants were paid USD $5 upon completion of the study.

A sample size of at least 783 was deemed necessary for detecting a correlation coefficient of ±.1, with a power level of 80% and a significance level of .05, using a sample size calculator (www.sample-size.net/correlation-sample-size/).

The primary outcome measures were the levels of religiosity and trust in science. Religiosity refers to involvement and belief in religious traditions, while trust in science represents confidence in scientists and scientific research outcomes. The secondary outcome measures were gender and parental education levels of participants and whether these characteristics predicted religiosity levels.

Religiosity

Religiosity was measured using the Centrality of Religiosity scale (Huber, 2003). The Likert scale is made up of 15 questions with five subscales of ideology, experience, intellect, public practice, and private practice. An example item is “How often do you experience situations in which you have the feeling that God or something divine intervenes in your life?” Participants were asked to indicate frequency of occurrence by selecting a response ranging from 1 (very often) to 5 (never). The internal consistency of the instrument is .83 (Huber & Huber, 2012).

Trust in Science

Trust in science was assessed using the General Trust in Science index (McCright, Dentzman, Charters & Dietz, 2013). Four Likert scale items were assessed on a scale from 1 (completely distrust) to 5 (completely trust). An example question asks “How much do you distrust or trust scientists to create knowledge that is unbiased and accurate?” Internal consistency was .8.

Potential participants were invited to participate in the survey online using Qualtrics (www.qualtrics.com). The survey consisted of multiple choice questions regarding demographic characteristics, the Centrality of Religiosity scale, an unrelated filler anagram task, and finally the General Trust in Science index. The filler task was included to avoid priming or demand characteristics, and an attention check was embedded within the religiosity scale. For full instructions and details of tasks, see supplementary materials.

For this correlational study , we assessed our primary hypothesis of a relationship between religiosity and trust in science using Pearson moment correlation coefficient. The statistical significance of the correlation coefficient was assessed using a t test. To test our secondary hypothesis of parental education levels and gender as predictors of religiosity, multiple linear regression analysis was used.

If you want to know more about statistics , methodology , or research bias , make sure to check out some of our other articles with explanations and examples.

• Normal distribution
• Measures of central tendency
• Chi square tests
• Confidence interval
• Quartiles & Quantiles

Methodology

• Cluster sampling
• Stratified sampling
• Thematic analysis
• Cohort study
• Peer review
• Ethnography

Research bias

• Implicit bias
• Cognitive bias
• Conformity bias
• Hawthorne effect
• Availability heuristic
• Attrition bias
• Social desirability bias

In your APA methods section , you should report detailed information on the participants, materials, and procedures used.

• Describe all relevant participant or subject characteristics, the sampling procedures used and the sample size and power .
• Define all primary and secondary measures and discuss the quality of measurements.
• Specify the data collection methods, the research design and data analysis strategy, including any steps taken to transform the data and statistical analyses.

You should report methods using the past tense , even if you haven’t completed your study at the time of writing. That’s because the methods section is intended to describe completed actions or research.

In a scientific paper, the methodology always comes after the introduction and before the results , discussion and conclusion . The same basic structure also applies to a thesis, dissertation , or research proposal .

Depending on the length and type of document, you might also include a literature review or theoretical framework before the methodology.

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Writing a Research Paper

24 Formatting a Research Paper (APA)

In this chapter, you will learn how to use APA style, the documentation and formatting style followed by the American Psychological Association, as well as MLA style, from the Modern Language Association. There are a few major formatting styles used in academic texts, including AMA, Chicago, and Turabian:

• AMA (American Medical Association) for medicine, health, and biological sciences
• APA (American Psychological Association) for education, psychology, and the social sciences
• Chicago—a common style used in everyday publications like magazines, newspapers, and books
• MLA (Modern Language Association) for English, literature, arts, and humanities
• Turabian—another common style designed for its universal application across all subjects and disciplines

While all the formatting and citation styles have their own use and applications, in this chapter we focus our attention on the two styles you are most likely to use in your academic studies: APA and MLA.

If you find that the rules of proper source documentation are difficult to keep straight, you are not alone. Writing a good research paper is, in and of itself, a major intellectual challenge. Having to follow detailed citation and formatting guidelines as well may seem like just one more task to add to an already-too-long list of requirements.

Following these guidelines, however, serves several important purposes. First, it signals to your readers that your paper should be taken seriously as a student’s contribution to a given academic or professional field; it is the literary equivalent of wearing a tailored suit to a job interview. Second, it shows that you respect other people’s work enough to give them proper credit for it. Finally, it helps your reader find additional materials if they wish to learn more about your topic.

Furthermore, producing a letter-perfect APA-style paper need not be burdensome. Yes, it requires careful attention to detail. However, you can simplify the process if you keep these broad guidelines in mind:

• Work ahead whenever you can. keep track of your sources early in the research process, which will save time later on.
• Get it right the first time. Apply APA guidelines as you write, so you will not have much to correct during the editing stage. Again, putting in a little extra time early on can save time later.
• Use the resources available to you. In addition to the guidelines provided in this chapter, you may wish to consult the APA website  or the Purdue University Online Writing lab , which regularly updates its online style guidelines.

General Formatting Guidelines

This chapter provides detailed guidelines for using the citation and formatting conventions developed by the American Psychological Association, or APA. Writers in disciplines as diverse as astrophysics, biology, psychology, and education follow APA style. The major components of a paper written in APA style are listed in the following box.

These are the major components of an APA-style paper:

• Headings and, if necessary, subheadings to organize the content
• In-text citations of research sources
• References page

All these components must be saved in one document, not as separate documents.

The title page of your paper includes the following information:

• Title of the paper
• Author’s name
• Name of the institution with which the author is affiliated
• Header at the top of the page with the paper title (in capital letters) and the page number (If the title is lengthy, you may use a shortened form of it in the header.)

List the first three elements in the order given in the previous list, centered about one third of the way down from the top of the page. Use the headers and footers tool of your word-processing program to add the header, with the title text at the left and the page number in the upper-right corner. Your title page should look like the following example.

The next page of your paper provides an abstract, or brief summary of your findings. An abstract does not need to be provided in every paper, but an abstract should be used in papers that include a hypothesis. A good abstract is concise—about one hundred fifty to two hundred fifty words—and is written in an objective, impersonal style. Your writing voice will not be as apparent here as in the body of your paper. When writing the abstract, take a just-the-facts approach, and summarize your research question and your findings in a few sentences.

In “Writing a Research Paper”, you read a paper written by a student, who researched the effectiveness of low-carbohydrate diets. Read the abstract. Note how it sums up the major ideas in his paper without going into excessive detail.

BEYOND THE HYPE: EVALUATING LOW-CARBOHYDRATE DIETS         2

Low-carbohydrate diets have become increasingly popular. Supporters claim they are notably more effective than other diets for weight loss and provide other health benefits such as lower blood pressure and improved cholesterol levels; however, some doctors believe these diets carry potential long-term health risks. A review of the available research literature indicates that low-carbohydrate diets are highly effective for short-term weight loss but that their long-term effectiveness is not significantly greater than other common diet plans. Their long-term effects on cholesterol levels and blood pressure are unknown; research literature suggests some potential for negative health outcomes associated with increased consumption of saturated fat. This conclusion points to the importance of following a balanced, moderate diet appropriate for the individual, as well as the need for further research.

Exercise 25.1

Write an abstract summarizing your paper. Briefly introduce the topic, state your findings, and sum up what conclusions you can draw from your research. Use the word count feature of your word-processing program to make sure your abstract does not exceed one hundred fifty words.

Margins, Pagination, and Headings

APA style requirements also address specific formatting concerns, such as margins, pagination, and heading styles, within the body of the paper. Review the following APA guidelines.

Use these general guidelines to format the paper:

• Set the top, bottom, and side margins of your paper at 1 inch.
• Use double-spaced text throughout your paper.
• Use a standard font, such as Times New Roman or Arial, in a legible size (10- to 12-point).
• Use continuous pagination throughout the paper, including the title page and the references section. Page numbers appear flush right within your header.
• Section headings and subsection headings within the body of your paper use different types of formatting depending on the level of information you are presenting. Additional details from Jorge’s paper are provided.

Exercise 25.2

Begin formatting the final draft of your paper according to APA guidelines. You may work with an existing document or set up a new document if you choose. Include the following:

• Your title page
• The abstract you created in Exercise 25.1
• Correct headers and page numbers for your title page and abstract

APA style uses section headings to organize information, making it easy for the reader to follow the writer’s train of thought and to know immediately what major topics are covered. Depending on the length and complexity of the paper, its major sections may also be divided into subsections, sub-subsections, and so on. These smaller sections, in turn, use different heading styles to indicate different levels of information. In essence, you are using headings to create a hierarchy of information.

The following heading styles used in APA formatting are listed in order of greatest to least importance:

• Section headings use centered, boldface type. Headings use title case, with important words in the heading capitalized.
• Subsection headings use left-aligned, boldface type. Headings use title case.
• The third level uses left-aligned, indented, boldface type. Headings use a capital letter only for the first word, and they end in a period.
• The fourth level follows the same style used for the previous level, but the headings are boldfaced and italicized.
• The fifth level follows the same style used for the previous level, but the headings are italicized and not boldfaced.

Visually, the hierarchy of information is organized as indicated in Figure 25.4 “Section Headings”.

A college research paper may not use all the heading levels shown in Figure 25.4 “Section Headings”, but you are likely to encounter them in academic journal articles that use APA style. For a brief paper, you may find that level 1 headings suffice. Longer or more complex papers may need level 2 headings or other lower-level headings to organize information clearly. Use your outline to craft your major section headings and determine whether any subtopics are substantial enough to require additional levels of headings.

Exercise 25.3

Working with the document you developed in Exercise 25.2, begin setting up the heading structure of the final draft of your research paper according to APA guidelines. Include your title and at least two to three major section headings, and follow the formatting guidelines provided above. If your major sections should be broken into subsections, add those headings as well. Use your outline to help you.

Citation Guidelines

In-text citations.

Throughout the body of your paper, include a citation whenever you quote or paraphrase material from your research sources. The purpose of citations is twofold: to give credit to others for their ideas and to allow your reader to follow up and learn more about the topic if desired. Your in-text citations provide basic information about your source; each source you cite will have a longer entry in the references section that provides more detailed information.

In-text citations must provide the name of the author or authors and the year the source was published. (When a given source does not list an individual author, you may provide the source title or the name of the organization that published the material instead.) When directly quoting a source, it is also required that you include the page number where the quote appears in your citation.

This information may be included within the sentence or in a parenthetical reference at the end of the sentence, as in these examples.

Here, the writer names the source author when introducing the quote and provides the publication date in parentheses after the author’s name. The page number appears in parentheses after the closing quotation marks and before the period that ends the sentence.

Here, the writer provides a parenthetical citation at the end of the sentence that includes the author’s name, the year of publication, and the page number separated by commas. Again, the parenthetical citation is placed after the closing quotation marks and before the period at the end of the sentence.

Here, the writer chose to mention the source title in the sentence (an optional piece of information to include) and followed the title with a parenthetical citation. Note that the parenthetical citation is placed before the comma that signals the end of the introductory phrase.

Another variation is to introduce the author and the source title in your sentence and include the publication date and page number in parentheses within the sentence or at the end of the sentence. As long as you have included the essential information, you can choose the option that works best for that particular sentence and source.

Citing a book with a single author is usually a straightforward task. Of course, your research may require that you cite many other types of sources, such as books or articles with more than one author or sources with no individual author listed. You may also need to cite sources available in both print and online and nonprint sources, such as websites and personal interviews.

Writing in Process

APA is just one of several different styles with its own guidelines for documentation, formatting, and language usage. Depending on your field of interest, you may be exposed to additional styles, such as the following:

• MLA style. Determined by the Modern Languages Association and used for papers in literature, languages, and other disciplines in the humanities.
• Chicago style. Outlined in the Chicago Manual of Style and sometimes used for papers in the humanities and the sciences; many professional organizations use this style for publications as well.
• Associated Press (AP) style. Used by professional journalists.

References List

The brief citations included in the body of your paper correspond to the more detailed citations provided at the end of the paper in the references section. In-text citations provide basic information—the author’s name, the publication date, and the page number if necessary—while the references section provides more extensive bibliographical information. Again, this information allows your reader to follow up on the sources you cited and do additional reading about the topic if desired.

The specific format of entries in the list of references varies slightly for different source types, but the entries generally include the following information:

• The name(s) of the author(s) or institution that wrote the source
• The year of publication and, where applicable, the exact date of publication
• The full title of the source
• For books, the city of publication
• For articles or essays, the name of the periodical or book in which the article or essay appears
• For magazine and journal articles, the volume number, issue number, and pages where the article appears
• For sources on the web, the URL where the source is located

The references page is double spaced and lists entries in alphabetical order by the author’s last name. If an entry continues for more than one line, the second line and each subsequent line are indented five spaces. Review the following example:

Text Attributions

• This chapter was adapted from “ Creating a References Section ” in  Writing for Success  by a publisher who has requested that they and the original author not receive attribution (and republished by University of Minnesota Libraries Publishing). Adapted by Allison Kilgannon.   CC BY-NC-SA .

Provincial English by Allison Kilgannon is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License , except where otherwise noted.

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