how to write biology research paper

This document originally came from the Journal of Mammalogy courtesy of Dr. Ronald Barry, a former editor of the journal.

WRITING A SCIENTIFIC RESEARCH ARTICLE | Format for the paper | Edit your paper! | Useful books | FORMAT FOR THE PAPER Scientific research articles provide a method for scientists to communicate with other scientists about the results of their research. A standard format is used for these articles, in which the author presents the research in an orderly, logical manner. This doesn't necessarily reflect the order in which you did or thought about the work.  This format is: | Title | Authors | Introduction | Materials and Methods | Results (with Tables and Figures ) | Discussion | Acknowledgments | Literature Cited | TITLE Make your title specific enough to describe the contents of the paper, but not so technical that only specialists will understand. The title should be appropriate for the intended audience. The title usually describes the subject matter of the article: Effect of Smoking on Academic Performance" Sometimes a title that summarizes the results is more effective: Students Who Smoke Get Lower Grades" AUTHORS 1. The person who did the work and wrote the paper is generally listed as the first author of a research paper. 2. For published articles, other people who made substantial contributions to the work are also listed as authors. Ask your mentor's permission before including his/her name as co-author. ABSTRACT 1. An abstract, or summary, is published together with a research article, giving the reader a "preview" of what's to come. Such abstracts may also be published separately in bibliographical sources, such as Biologic al Abstracts. They allow other scientists to quickly scan the large scientific literature, and decide which articles they want to read in depth. The abstract should be a little less technical than the article itself; you don't want to dissuade your potent ial audience from reading your paper. 2. Your abstract should be one paragraph, of 100-250 words, which summarizes the purpose, methods, results and conclusions of the paper. 3. It is not easy to include all this information in just a few words. Start by writing a summary that includes whatever you think is important, and then gradually prune it down to size by removing unnecessary words, while still retaini ng the necessary concepts. 3. Don't use abbreviations or citations in the abstract. It should be able to stand alone without any footnotes. INTRODUCTION What question did you ask in your experiment? Why is it interesting? The introduction summarizes the relevant literature so that the reader will understand why you were interested in the question you asked. One to fo ur paragraphs should be enough. End with a sentence explaining the specific question you asked in this experiment. MATERIALS AND METHODS 1. How did you answer this question? There should be enough information here to allow another scientist to repeat your experiment. Look at other papers that have been published in your field to get some idea of what is included in this section. 2. If you had a complicated protocol, it may helpful to include a diagram, table or flowchart to explain the methods you used. 3. Do not put results in this section. You may, however, include preliminary results that were used to design the main experiment that you are reporting on. ("In a preliminary study, I observed the owls for one week, and found that 73 % of their locomotor activity occurred during the night, and so I conducted all subsequent experiments between 11 pm and 6 am.") 4. Mention relevant ethical considerations. If you used human subjects, did they consent to participate. If you used animals, what measures did you take to minimize pain? RESULTS 1. This is where you present the results you've gotten. Use graphs and tables if appropriate, but also summarize your main findings in the text. Do NOT discuss the results or speculate as to why something happened; t hat goes in th e Discussion. 2. You don't necessarily have to include all the data you've gotten during the semester. This isn't a diary. 3. Use appropriate methods of showing data. Don't try to manipulate the data to make it look like you did more than you actually did. "The drug cured 1/3 of the infected mice, another 1/3 were not affected, and the third mouse got away." TABLES AND GRAPHS 1. If you present your data in a table or graph, include a title describing what's in the table ("Enzyme activity at various temperatures", not "My results".) For graphs, you should also label the x and y axes. 2. Don't use a table or graph just to be "fancy". If you can summarize the information in one sentence, then a table or graph is not necessary. DISCUSSION 1. Highlight the most significant results, but don't just repeat what you've written in the Results section. How do these results relate to the original question? Do the data support your hypothesis? Are your results consistent with what other investigators have reported? If your results were unexpected, try to explain why. Is there another way to interpret your results? What further research would be necessary to answer the questions raised by your results? How do y our results fit into the big picture? 2. End with a one-sentence summary of your conclusion, emphasizing why it is relevant. ACKNOWLEDGMENTS This section is optional. You can thank those who either helped with the experiments, or made other important contributions, such as discussing the protocol, commenting on the manuscript, or buying you pizza. REFERENCES (LITERATURE CITED) There are several possible ways to organize this section. Here is one commonly used way: 1. In the text, cite the literature in the appropriate places: Scarlet (1990) thought that the gene was present only in yeast, but it has since been identified in the platypus (Indigo and Mauve, 1994) and wombat (Magenta, et al., 1995). 2. In the References section list citations in alphabetical order. Indigo, A. C., and Mauve, B. E. 1994. Queer place for qwerty: gene isolation from the platypus. Science 275, 1213-1214. Magenta, S. T., Sepia, X., and Turquoise, U. 1995. Wombat genetics. In: Widiculous Wombats, Violet, Q., ed. New York: Columbia University Press. p 123-145. Scarlet, S.L. 1990. Isolation of qwerty gene from S. cerevisae. Journal of Unusual Results 36, 26-31.   EDIT YOUR PAPER!!! "In my writing, I average about ten pages a day. Unfortunately, they're all the same page." Michael Alley, The Craft of Scientific Writing A major part of any writing assignment consists of re-writing. Write accurately Scientific writing must be accurate. Although writing instructors may tell you not to use the same word twice in a sentence, it's okay for scientific writing, which must be accurate. (A student who tried not to repeat the word "hamster" produced this confusing sentence: "When I put the hamster in a cage with the other animals, the little mammals began to play.") Make sure you say what you mean. Instead of: The rats were injected with the drug. (sounds like a syringe was filled with drug and ground-up rats and both were injected together) Write: I injected the drug into the rat.

• Be careful with commonly confused words:

Temperature has an effect on the reaction. Temperature affects the reaction.

I used solutions in various concentrations. (The solutions were 5 mg/ml, 10 mg/ml, and 15 mg/ml) I used solutions in varying concentrations. (The concentrations I used changed; sometimes they were 5 mg/ml, other times they were 15 mg/ml.)

 Less food (can't count numbers of food) Fewer animals (can count numbers of animals)

A large amount of food (can't count them) A large number of animals (can count them)

The erythrocytes, which are in the blood, contain hemoglobin. The erythrocytes that are in the blood contain hemoglobin. (Wrong. This sentence implies that there are erythrocytes elsewhere that don't contain hemoglobin.)

Write clearly

1. Write at a level that's appropriate for your audience.

"Like a pigeon, something to admire as long as it isn't over your head." Anonymous

 2. Use the active voice. It's clearer and more concise than the passive voice.

 Instead of: An increased appetite was manifested by the rats and an increase in body weight was measured. Write: The rats ate more and gained weight.

 3. Use the first person.

 Instead of: It is thought Write: I think

 Instead of: The samples were analyzed Write: I analyzed the samples

 4. Avoid dangling participles.

 "After incubating at 30 degrees C, we examined the petri plates." (You must've been pretty warm in there.)

  Write succinctly

 1. Use verbs instead of abstract nouns

 Instead of: take into consideration Write: consider

 2. Use strong verbs instead of "to be"

 Instead of: The enzyme was found to be the active agent in catalyzing... Write: The enzyme catalyzed...

 3. Use short words.

Instead of: Write: possess have sufficient enough utilize use demonstrate show assistance help terminate end

4. Use concise terms.

 Instead of: Write: prior to before due to the fact that because in a considerable number of cases often the vast majority of most during the time that when in close proximity to near it has long been known that I'm too lazy to look up the reference

5. Use short sentences. A sentence made of more than 40 words should probably be rewritten as two sentences.

 "The conjunction 'and' commonly serves to indicate that the writer's mind still functions even when no signs of the phenomenon are noticeable." Rudolf Virchow, 1928

Check your grammar, spelling and punctuation

1. Use a spellchecker, but be aware that they don't catch all mistakes.

 "When we consider the animal as a hole,..." Student's paper

 2. Your spellchecker may not recognize scientific terms. For the correct spelling, try Biotech's Life Science Dictionary or one of the technical dictionaries on the reference shelf in the Biology or Health Sciences libraries.

 3. Don't, use, unnecessary, commas.

 4. Proofread carefully to see if you any words out.

USEFUL BOOKS

Victoria E. McMillan, Writing Papers in the Biological Sciences , Bedford Books, Boston, 1997 The best. On sale for about $18 at Labyrinth Books, 112th Street. On reserve in Biology Library

Jan A. Pechenik, A Short Guide to Writing About Biology , Boston: Little, Brown, 1987

Harrison W. Ambrose, III & Katharine Peckham Ambrose, A Handbook of Biological Investigation , 4th edition, Hunter Textbooks Inc, Winston-Salem, 1987 Particularly useful if you need to use statistics to analyze your data. Copy on Reference shelf in Biology Library.

Robert S. Day, How to Write and Publish a Scientific Paper , 4th edition, Oryx Press, Phoenix, 1994. Earlier editions also good. A bit more advanced, intended for those writing papers for publication. Fun to read. Several copies available in Columbia libraries.

William Strunk, Jr. and E. B. White, The Elements of Style , 3rd ed. Macmillan, New York, 1987. Several copies available in Columbia libraries.  Strunk's first edition is available on-line.

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Open Access

Ten simple rules for structuring papers

Affiliations Optimize Science, Mill Valley, California, United States of America, Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, Virginia, United States of America

* E-mail: [email protected]

Affiliations University of Pennsylvania, Philadelphia, Pennsylvania, United States of America, Northwestern University, Evanston, Illinois, United States of America

• Brett Mensh, 
• Konrad Kording

Published: September 28, 2017

• https://doi.org/10.1371/journal.pcbi.1005619
• See the preprint
• Reader Comments

9 Nov 2017: The PLOS Computational Biology Staff (2017) Correction: Ten simple rules for structuring papers. PLOS Computational Biology 13(11): e1005830. https://doi.org/10.1371/journal.pcbi.1005830 View correction

Citation: Mensh B, Kording K (2017) Ten simple rules for structuring papers. PLoS Comput Biol 13(9): e1005619. https://doi.org/10.1371/journal.pcbi.1005619

Editor: Scott Markel, Dassault Systemes BIOVIA, UNITED STATES

Copyright: © 2017 Mensh, Kording. This is an open access article distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Funding: The authors received no specific funding for this work.

Competing interests: The authors have declared that no competing interests exist.

Good scientific writing is essential to career development and to the progress of science. A well-structured manuscript allows readers and reviewers to get excited about the subject matter, to understand and verify the paper’s contributions, and to integrate these contributions into a broader context. However, many scientists struggle with producing high-quality manuscripts and are typically untrained in paper writing. Focusing on how readers consume information, we present a set of ten simple rules to help you communicate the main idea of your paper. These rules are designed to make your paper more influential and the process of writing more efficient and pleasurable.

Introduction

Writing and reading papers are key skills for scientists. Indeed, success at publishing is used to evaluate scientists [ 1 ] and can help predict their future success [ 2 ]. In the production and consumption of papers, multiple parties are involved, each having their own motivations and priorities. The editors want to make sure that the paper is significant, and the reviewers want to determine whether the conclusions are justified by the results. The reader wants to quickly understand the conceptual conclusions of the paper before deciding whether to dig into the details, and the writer wants to convey the important contributions to the broadest audience possible while convincing the specialist that the findings are credible. You can facilitate all of these goals by structuring the paper well at multiple scales—spanning the sentence, paragraph, section, and document.

Clear communication is also crucial for the broader scientific enterprise because “concept transfer” is a rate-limiting step in scientific cross-pollination. This is particularly true in the biological sciences and other fields that comprise a vast web of highly interconnected sub-disciplines. As scientists become increasingly specialized, it becomes more important (and difficult) to strengthen the conceptual links. Communication across disciplinary boundaries can only work when manuscripts are readable, credible, and memorable.

The claim that gives significance to your work has to be supported by data and by a logic that gives it credibility. Without carefully planning the paper’s logic, writers will often be missing data or missing logical steps on the way to the conclusion. While these lapses are beyond our scope, your scientific logic must be crystal clear to powerfully make your claim.

Here we present ten simple rules for structuring papers. The first four rules are principles that apply to all the parts of a paper and further to other forms of communication such as grants and posters. The next four rules deal with the primary goals of each of the main parts of papers. The final two rules deliver guidance on the process—heuristics for efficiently constructing manuscripts.

Principles (Rules 1–4)

Writing is communication. Thus, the reader’s experience is of primary importance, and all writing serves this goal. When you write, you should constantly have your reader in mind. These four rules help you to avoid losing your reader.

Rule 1: Focus your paper on a central contribution, which you communicate in the title

Your communication efforts are successful if readers can still describe the main contribution of your paper to their colleagues a year after reading it. Although it is clear that a paper often needs to communicate a number of innovations on the way to its final message, it does not pay to be greedy. Focus on a single message; papers that simultaneously focus on multiple contributions tend to be less convincing about each and are therefore less memorable.

The most important element of a paper is the title—think of the ratio of the number of titles you read to the number of papers you read. The title is typically the first element a reader encounters, so its quality [ 3 ] determines whether the reader will invest time in reading the abstract.

The title not only transmits the paper’s central contribution but can also serve as a constant reminder (to you) to focus the text on transmitting that idea. Science is, after all, the abstraction of simple principles from complex data. The title is the ultimate refinement of the paper’s contribution. Thinking about the title early—and regularly returning to hone it—can help not only the writing of the paper but also the process of designing experiments or developing theories.

This Rule of One is the most difficult rule to optimally implement because it comes face-to-face with the key challenge of science, which is to make the claim and/or model as simple as the data and logic can support but no simpler. In the end, your struggle to find this balance may appropriately result in “one contribution” that is multifaceted. For example, a technology paper may describe both its new technology and a biological result using it; the bridge that unifies these two facets is a clear description of how the new technology can be used to do new biology.

Rule 2: Write for flesh-and-blood human beings who do not know your work

Because you are the world’s leading expert at exactly what you are doing, you are also the world’s least qualified person to judge your writing from the perspective of the naïve reader. The majority of writing mistakes stem from this predicament. Think like a designer—for each element, determine the impact that you want to have on people and then strive to achieve that objective [ 4 ]. Try to think through the paper like a naïve reader who must first be made to care about the problem you are addressing (see Rule 6) and then will want to understand your answer with minimal effort.

Define technical terms clearly because readers can become frustrated when they encounter a word that they don’t understand. Avoid abbreviations and acronyms so that readers do not have to go back to earlier sections to identify them.

The vast knowledge base of human psychology is useful in paper writing. For example, people have working memory constraints in that they can only remember a small number of items and are better at remembering the beginning and the end of a list than the middle [ 5 ]. Do your best to minimize the number of loose threads that the reader has to keep in mind at any one time.

Rule 3: Stick to the context-content-conclusion (C-C-C) scheme

The vast majority of popular (i.e., memorable and re-tellable) stories have a structure with a discernible beginning, a well-defined body, and an end. The beginning sets up the context for the story, while the body (content) advances the story towards an ending in which the problems find their conclusions. This structure reduces the chance that the reader will wonder “Why was I told that?” (if the context is missing) or “So what?” (if the conclusion is missing).

There are many ways of telling a story. Mostly, they differ in how well they serve a patient reader versus an impatient one [ 6 ]. The impatient reader needs to be engaged quickly; this can be accomplished by presenting the most exciting content first (e.g., as seen in news articles). The C-C-C scheme that we advocate serves a more patient reader who is willing to spend the time to get oriented with the context. A consequent disadvantage of C-C-C is that it may not optimally engage the impatient reader. This disadvantage is mitigated by the fact that the structure of scientific articles, specifically the primacy of the title and abstract, already forces the content to be revealed quickly. Thus, a reader who proceeds to the introduction is likely engaged enough to have the patience to absorb the context. Furthermore, one hazard of excessive “content first” story structures in science is that you may generate skepticism in the reader because they may be missing an important piece of context that makes your claim more credible. For these reasons, we advocate C-C-C as a “default” scientific story structure.

The C-C-C scheme defines the structure of the paper on multiple scales. At the whole-paper scale, the introduction sets the context, the results are the content, and the discussion brings home the conclusion. Applying C-C-C at the paragraph scale, the first sentence defines the topic or context, the body hosts the novel content put forth for the reader’s consideration, and the last sentence provides the conclusion to be remembered.

Deviating from the C-C-C structure often leads to papers that are hard to read, but writers often do so because of their own autobiographical context. During our everyday lives as scientists, we spend a majority of our time producing content and a minority amidst a flurry of other activities. We run experiments, develop the exposition of available literature, and combine thoughts using the magic of human cognition. It is natural to want to record these efforts on paper and structure a paper chronologically. But for our readers, most details of our activities are extraneous. They do not care about the chronological path by which you reached a result; they just care about the ultimate claim and the logic supporting it (see Rule 7). Thus, all our work must be reformatted to provide a context that makes our material meaningful and a conclusion that helps the reader to understand and remember it.

Rule 4: Optimize your logical flow by avoiding zig-zag and using parallelism

Avoiding zig-zag..

Only the central idea of the paper should be touched upon multiple times. Otherwise, each subject should be covered in only one place in order to minimize the number of subject changes. Related sentences or paragraphs should be strung together rather than interrupted by unrelated material. Ideas that are similar, such as two reasons why we should believe something, should come one immediately after the other.

Using parallelism.

Similarly, across consecutive paragraphs or sentences, parallel messages should be communicated with parallel form. Parallelism makes it easier to read the text because the reader is familiar with the structure. For example, if we have three independent reasons why we prefer one interpretation of a result over another, it is helpful to communicate them with the same syntax so that this syntax becomes transparent to the reader, which allows them to focus on the content. There is nothing wrong with using the same word multiple times in a sentence or paragraph. Resist the temptation to use a different word to refer to the same concept—doing so makes readers wonder if the second word has a slightly different meaning.

The components of a paper (Rules 5–8)

The individual parts of a paper—abstract, introduction, results, and discussion—have different objectives, and thus they each apply the C-C-C structure a little differently in order to achieve their objectives. We will discuss these specialized structures in this section and summarize them in Fig 1 .

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Note that the abstract is special in that it contains all three elements (Context, Content, and Conclusion), thus comprising all three colors.

https://doi.org/10.1371/journal.pcbi.1005619.g001

Rule 5: Tell a complete story in the abstract

The abstract is, for most readers, the only part of the paper that will be read. This means that the abstract must convey the entire message of the paper effectively. To serve this purpose, the abstract’s structure is highly conserved. Each of the C-C-C elements is detailed below.

The context must communicate to the reader what gap the paper will fill. The first sentence orients the reader by introducing the broader field in which the particular research is situated. Then, this context is narrowed until it lands on the open question that the research answered. A successful context section sets the stage for distinguishing the paper’s contributions from the current state of the art by communicating what is missing in the literature (i.e., the specific gap) and why that matters (i.e., the connection between the specific gap and the broader context that the paper opened with).

The content (“Here we”) first describes the novel method or approach that you used to fill the gap or question. Then you present the meat—your executive summary of the results.

Finally, the conclusion interprets the results to answer the question that was posed at the end of the context section. There is often a second part to the conclusion section that highlights how this conclusion moves the broader field forward (i.e., “broader significance”). This is particularly true for more “general” journals with a broad readership.

This structure helps you avoid the most common mistake with the abstract, which is to talk about results before the reader is ready to understand them. Good abstracts usually take many iterations of refinement to make sure the results fill the gap like a key fits its lock. The broad-narrow-broad structure allows you to communicate with a wider readership (through breadth) while maintaining the credibility of your claim (which is always based on a finite or narrow set of results).

Rule 6: Communicate why the paper matters in the introduction

The introduction highlights the gap that exists in current knowledge or methods and why it is important. This is usually done by a set of progressively more specific paragraphs that culminate in a clear exposition of what is lacking in the literature, followed by a paragraph summarizing what the paper does to fill that gap.

As an example of the progression of gaps, a first paragraph may explain why understanding cell differentiation is an important topic and that the field has not yet solved what triggers it (a field gap). A second paragraph may explain what is unknown about the differentiation of a specific cell type, such as astrocytes (a subfield gap). A third may provide clues that a particular gene might drive astrocytic differentiation and then state that this hypothesis is untested (the gap within the subfield that you will fill). The gap statement sets the reader’s expectation for what the paper will deliver.

The structure of each introduction paragraph (except the last) serves the goal of developing the gap. Each paragraph first orients the reader to the topic (a context sentence or two) and then explains the “knowns” in the relevant literature (content) before landing on the critical “unknown” (conclusion) that makes the paper matter at the relevant scale. Along the path, there are often clues given about the mystery behind the gaps; these clues lead to the untested hypothesis or undeveloped method of the paper and give the reader hope that the mystery is solvable. The introduction should not contain a broad literature review beyond the motivation of the paper. This gap-focused structure makes it easy for experienced readers to evaluate the potential importance of a paper—they only need to assess the importance of the claimed gap.

The last paragraph of the introduction is special: it compactly summarizes the results, which fill the gap you just established. It differs from the abstract in the following ways: it does not need to present the context (which has just been given), it is somewhat more specific about the results, and it only briefly previews the conclusion of the paper, if at all.

Rule 7: Deliver the results as a sequence of statements, supported by figures, that connect logically to support the central contribution

The results section needs to convince the reader that the central claim is supported by data and logic. Every scientific argument has its own particular logical structure, which dictates the sequence in which its elements should be presented.

For example, a paper may set up a hypothesis, verify that a method for measurement is valid in the system under study, and then use the measurement to disprove the hypothesis. Alternatively, a paper may set up multiple alternative (and mutually exclusive) hypotheses and then disprove all but one to provide evidence for the remaining interpretation. The fabric of the argument will contain controls and methods where they are needed for the overall logic.

In the outlining phase of paper preparation (see Rule 9), sketch out the logical structure of how your results support your claim and convert this into a sequence of declarative statements that become the headers of subsections within the results section (and/or the titles of figures). Most journals allow this type of formatting, but if your chosen journal does not, these headers are still useful during the writing phase and can either be adapted to serve as introductory sentences to your paragraphs or deleted before submission. Such a clear progression of logical steps makes the paper easy to follow.

Figures, their titles, and legends are particularly important because they show the most objective support (data) of the steps that culminate in the paper’s claim. Moreover, figures are often viewed by readers who skip directly from the abstract in order to save time. Thus, the title of the figure should communicate the conclusion of the analysis, and the legend should explain how it was done. Figure making is an art unto itself; the Edward Tufte books remain the gold standard for learning this craft [ 7 , 8 ].

The first results paragraph is special in that it typically summarizes the overall approach to the problem outlined in the introduction, along with any key innovative methods that were developed. Most readers do not read the methods, so this paragraph gives them the gist of the methods that were used.

Each subsequent paragraph in the results section starts with a sentence or two that set up the question that the paragraph answers, such as the following: “To verify that there are no artifacts…,” “What is the test-retest reliability of our measure?,” or “We next tested whether Ca 2+ flux through L-type Ca 2+ channels was involved.” The middle of the paragraph presents data and logic that pertain to the question, and the paragraph ends with a sentence that answers the question. For example, it may conclude that none of the potential artifacts were detected. This structure makes it easy for experienced readers to fact-check a paper. Each paragraph convinces the reader of the answer given in its last sentence. This makes it easy to find the paragraph in which a suspicious conclusion is drawn and to check the logic of that paragraph. The result of each paragraph is a logical statement, and paragraphs farther down in the text rely on the logical conclusions of previous paragraphs, much as theorems are built in mathematical literature.

Rule 8: Discuss how the gap was filled, the limitations of the interpretation, and the relevance to the field

The discussion section explains how the results have filled the gap that was identified in the introduction, provides caveats to the interpretation, and describes how the paper advances the field by providing new opportunities. This is typically done by recapitulating the results, discussing the limitations, and then revealing how the central contribution may catalyze future progress. The first discussion paragraph is special in that it generally summarizes the important findings from the results section. Some readers skip over substantial parts of the results, so this paragraph at least gives them the gist of that section.

Each of the following paragraphs in the discussion section starts by describing an area of weakness or strength of the paper. It then evaluates the strength or weakness by linking it to the relevant literature. Discussion paragraphs often conclude by describing a clever, informal way of perceiving the contribution or by discussing future directions that can extend the contribution.

For example, the first paragraph may summarize the results, focusing on their meaning. The second through fourth paragraphs may deal with potential weaknesses and with how the literature alleviates concerns or how future experiments can deal with these weaknesses. The fifth paragraph may then culminate in a description of how the paper moves the field forward. Step by step, the reader thus learns to put the paper’s conclusions into the right context.

Process (Rules 9 and 10)

To produce a good paper, authors can use helpful processes and habits. Some aspects of a paper affect its impact more than others, which suggests that your investment of time should be weighted towards the issues that matter most. Moreover, iteratively using feedback from colleagues allows authors to improve the story at all levels to produce a powerful manuscript. Choosing the right process makes writing papers easier and more effective.

Rule 9: Allocate time where it matters: Title, abstract, figures, and outlining

The central logic that underlies a scientific claim is paramount. It is also the bridge that connects the experimental phase of a research effort with the paper-writing phase. Thus, it is useful to formalize the logic of ongoing experimental efforts (e.g., during lab meetings) into an evolving document of some sort that will ultimately steer the outline of the paper.

You should also allocate your time according to the importance of each section. The title, abstract, and figures are viewed by far more people than the rest of the paper, and the methods section is read least of all. Budget accordingly.

The time that we do spend on each section can be used efficiently by planning text before producing it. Make an outline. We like to write one informal sentence for each planned paragraph. It is often useful to start the process around descriptions of each result—these may become the section headers in the results section. Because the story has an overall arc, each paragraph should have a defined role in advancing this story. This role is best scrutinized at the outline stage in order to reduce wasting time on wordsmithing paragraphs that don’t end up fitting within the overall story.

Rule 10: Get feedback to reduce, reuse, and recycle the story

Writing can be considered an optimization problem in which you simultaneously improve the story, the outline, and all the component sentences. In this context, it is important not to get too attached to one’s writing. In many cases, trashing entire paragraphs and rewriting is a faster way to produce good text than incremental editing.

There are multiple signs that further work is necessary on a manuscript (see Table 1 ). For example, if you, as the writer, cannot describe the entire outline of a paper to a colleague in a few minutes, then clearly a reader will not be able to. You need to further distill your story. Finding such violations of good writing helps to improve the paper at all levels.

https://doi.org/10.1371/journal.pcbi.1005619.t001

Successfully writing a paper typically requires input from multiple people. Test readers are necessary to make sure that the overall story works. They can also give valuable input on where the story appears to move too quickly or too slowly. They can clarify when it is best to go back to the drawing board and retell the entire story. Reviewers are also extremely useful. Non-specific feedback and unenthusiastic reviews often imply that the reviewers did not “get” the big picture story line. Very specific feedback usually points out places where the logic within a paragraph was not sufficient. It is vital to accept this feedback in a positive way. Because input from others is essential, a network of helpful colleagues is fundamental to making a story memorable. To keep this network working, make sure to pay back your colleagues by reading their manuscripts.

This paper focused on the structure, or “anatomy,” of manuscripts. We had to gloss over many finer points of writing, including word choice and grammar, the creative process, and collaboration. A paper about writing can never be complete; as such, there is a large body of literature dealing with issues of scientific writing [ 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 ].

Personal style often leads writers to deviate from a rigid, conserved structure, and it can be a delight to read a paper that creatively bends the rules. However, as with many other things in life, a thorough mastery of the standard rules is necessary to successfully bend them [ 18 ]. In following these guidelines, scientists will be able to address a broad audience, bridge disciplines, and more effectively enable integrative science.

Acknowledgments

We took our own advice and sought feedback from a large number of colleagues throughout the process of preparing this paper. We would like to especially thank the following people who gave particularly detailed and useful feedback:

Sandra Aamodt, Misha Ahrens, Vanessa Bender, Erik Bloss, Davi Bock, Shelly Buffington, Xing Chen, Frances Cho, Gabrielle Edgerton, multiple generations of the COSMO summer school, Jason Perry, Jermyn See, Nelson Spruston, David Stern, Alice Ting, Joshua Vogelstein, Ronald Weber.

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• 13. Lester JD, Lester J (1967) Writing research papers. Scott, Foresman.
• 14. Dumont J-L (2009) Trees, Maps, and Theorems. Principiae. http://www.treesmapsandtheorems.com/ [cited 2017 Sep 9].
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• 18. Strunk W (2007) The elements of style. Penguin.

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How To Write A Lab Report | Step-by-Step Guide & Examples

Published on May 20, 2021 by Pritha Bhandari . Revised on July 23, 2023.

A lab report conveys the aim, methods, results, and conclusions of a scientific experiment. The main purpose of a lab report is to demonstrate your understanding of the scientific method by performing and evaluating a hands-on lab experiment. This type of assignment is usually shorter than a research paper .

Lab reports are commonly used in science, technology, engineering, and mathematics (STEM) fields. This article focuses on how to structure and write a lab report.

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Table of contents

Structuring a lab report, introduction, other interesting articles, frequently asked questions about lab reports.

The sections of a lab report can vary between scientific fields and course requirements, but they usually contain the purpose, methods, and findings of a lab experiment .

Each section of a lab report has its own purpose.

• Title: expresses the topic of your study
• Abstract : summarizes your research aims, methods, results, and conclusions
• Introduction: establishes the context needed to understand the topic
• Method: describes the materials and procedures used in the experiment
• Results: reports all descriptive and inferential statistical analyses
• Discussion: interprets and evaluates results and identifies limitations
• Conclusion: sums up the main findings of your experiment
• References: list of all sources cited using a specific style (e.g. APA )
• Appendices : contains lengthy materials, procedures, tables or figures

Although most lab reports contain these sections, some sections can be omitted or combined with others. For example, some lab reports contain a brief section on research aims instead of an introduction, and a separate conclusion is not always required.

If you’re not sure, it’s best to check your lab report requirements with your instructor.

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Your title provides the first impression of your lab report – effective titles communicate the topic and/or the findings of your study in specific terms.

Create a title that directly conveys the main focus or purpose of your study. It doesn’t need to be creative or thought-provoking, but it should be informative.

• The effects of varying nitrogen levels on tomato plant height.
• Testing the universality of the McGurk effect.
• Comparing the viscosity of common liquids found in kitchens.

An abstract condenses a lab report into a brief overview of about 150–300 words. It should provide readers with a compact version of the research aims, the methods and materials used, the main results, and the final conclusion.

Think of it as a way of giving readers a preview of your full lab report. Write the abstract last, in the past tense, after you’ve drafted all the other sections of your report, so you’ll be able to succinctly summarize each section.

To write a lab report abstract, use these guiding questions:

• What is the wider context of your study?
• What research question were you trying to answer?
• How did you perform the experiment?
• What did your results show?
• How did you interpret your results?
• What is the importance of your findings?

Nitrogen is a necessary nutrient for high quality plants. Tomatoes, one of the most consumed fruits worldwide, rely on nitrogen for healthy leaves and stems to grow fruit. This experiment tested whether nitrogen levels affected tomato plant height in a controlled setting. It was expected that higher levels of nitrogen fertilizer would yield taller tomato plants.

Levels of nitrogen fertilizer were varied between three groups of tomato plants. The control group did not receive any nitrogen fertilizer, while one experimental group received low levels of nitrogen fertilizer, and a second experimental group received high levels of nitrogen fertilizer. All plants were grown from seeds, and heights were measured 50 days into the experiment.

The effects of nitrogen levels on plant height were tested between groups using an ANOVA. The plants with the highest level of nitrogen fertilizer were the tallest, while the plants with low levels of nitrogen exceeded the control group plants in height. In line with expectations and previous findings, the effects of nitrogen levels on plant height were statistically significant. This study strengthens the importance of nitrogen for tomato plants.

Your lab report introduction should set the scene for your experiment. One way to write your introduction is with a funnel (an inverted triangle) structure:

• Start with the broad, general research topic
• Narrow your topic down your specific study focus
• End with a clear research question

Begin by providing background information on your research topic and explaining why it’s important in a broad real-world or theoretical context. Describe relevant previous research on your topic and note how your study may confirm it or expand it, or fill a gap in the research field.

This lab experiment builds on previous research from Haque, Paul, and Sarker (2011), who demonstrated that tomato plant yield increased at higher levels of nitrogen. However, the present research focuses on plant height as a growth indicator and uses a lab-controlled setting instead.

Next, go into detail on the theoretical basis for your study and describe any directly relevant laws or equations that you’ll be using. State your main research aims and expectations by outlining your hypotheses .

Based on the importance of nitrogen for tomato plants, the primary hypothesis was that the plants with the high levels of nitrogen would grow the tallest. The secondary hypothesis was that plants with low levels of nitrogen would grow taller than plants with no nitrogen.

Your introduction doesn’t need to be long, but you may need to organize it into a few paragraphs or with subheadings such as “Research Context” or “Research Aims.”

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A lab report Method section details the steps you took to gather and analyze data. Give enough detail so that others can follow or evaluate your procedures. Write this section in the past tense. If you need to include any long lists of procedural steps or materials, place them in the Appendices section but refer to them in the text here.

You should describe your experimental design, your subjects, materials, and specific procedures used for data collection and analysis.

Experimental design

Briefly note whether your experiment is a within-subjects  or between-subjects design, and describe how your sample units were assigned to conditions if relevant.

A between-subjects design with three groups of tomato plants was used. The control group did not receive any nitrogen fertilizer. The first experimental group received a low level of nitrogen fertilizer, while the second experimental group received a high level of nitrogen fertilizer.

Describe human subjects in terms of demographic characteristics, and animal or plant subjects in terms of genetic background. Note the total number of subjects as well as the number of subjects per condition or per group. You should also state how you recruited subjects for your study.

List the equipment or materials you used to gather data and state the model names for any specialized equipment.

List of materials

35 Tomato seeds

15 plant pots (15 cm tall)

Light lamps (50,000 lux)

Nitrogen fertilizer

Measuring tape

Describe your experimental settings and conditions in detail. You can provide labelled diagrams or images of the exact set-up necessary for experimental equipment. State how extraneous variables were controlled through restriction or by fixing them at a certain level (e.g., keeping the lab at room temperature).

Light levels were fixed throughout the experiment, and the plants were exposed to 12 hours of light a day. Temperature was restricted to between 23 and 25℃. The pH and carbon levels of the soil were also held constant throughout the experiment as these variables could influence plant height. The plants were grown in rooms free of insects or other pests, and they were spaced out adequately.

Your experimental procedure should describe the exact steps you took to gather data in chronological order. You’ll need to provide enough information so that someone else can replicate your procedure, but you should also be concise. Place detailed information in the appendices where appropriate.

In a lab experiment, you’ll often closely follow a lab manual to gather data. Some instructors will allow you to simply reference the manual and state whether you changed any steps based on practical considerations. Other instructors may want you to rewrite the lab manual procedures as complete sentences in coherent paragraphs, while noting any changes to the steps that you applied in practice.

If you’re performing extensive data analysis, be sure to state your planned analysis methods as well. This includes the types of tests you’ll perform and any programs or software you’ll use for calculations (if relevant).

First, tomato seeds were sown in wooden flats containing soil about 2 cm below the surface. Each seed was kept 3-5 cm apart. The flats were covered to keep the soil moist until germination. The seedlings were removed and transplanted to pots 8 days later, with a maximum of 2 plants to a pot. Each pot was watered once a day to keep the soil moist.

The nitrogen fertilizer treatment was applied to the plant pots 12 days after transplantation. The control group received no treatment, while the first experimental group received a low concentration, and the second experimental group received a high concentration. There were 5 pots in each group, and each plant pot was labelled to indicate the group the plants belonged to.

50 days after the start of the experiment, plant height was measured for all plants. A measuring tape was used to record the length of the plant from ground level to the top of the tallest leaf.

In your results section, you should report the results of any statistical analysis procedures that you undertook. You should clearly state how the results of statistical tests support or refute your initial hypotheses.

The main results to report include:

• any descriptive statistics
• statistical test results
• the significance of the test results
• estimates of standard error or confidence intervals

The mean heights of the plants in the control group, low nitrogen group, and high nitrogen groups were 20.3, 25.1, and 29.6 cm respectively. A one-way ANOVA was applied to calculate the effect of nitrogen fertilizer level on plant height. The results demonstrated statistically significant ( p = .03) height differences between groups.

Next, post-hoc tests were performed to assess the primary and secondary hypotheses. In support of the primary hypothesis, the high nitrogen group plants were significantly taller than the low nitrogen group and the control group plants. Similarly, the results supported the secondary hypothesis: the low nitrogen plants were taller than the control group plants.

These results can be reported in the text or in tables and figures. Use text for highlighting a few key results, but present large sets of numbers in tables, or show relationships between variables with graphs.

You should also include sample calculations in the Results section for complex experiments. For each sample calculation, provide a brief description of what it does and use clear symbols. Present your raw data in the Appendices section and refer to it to highlight any outliers or trends.

The Discussion section will help demonstrate your understanding of the experimental process and your critical thinking skills.

In this section, you can:

• Interpret your results
• Compare your findings with your expectations
• Identify any sources of experimental error
• Explain any unexpected results
• Suggest possible improvements for further studies

Interpreting your results involves clarifying how your results help you answer your main research question. Report whether your results support your hypotheses.

• Did you measure what you sought out to measure?
• Were your analysis procedures appropriate for this type of data?

Compare your findings with other research and explain any key differences in findings.

• Are your results in line with those from previous studies or your classmates’ results? Why or why not?

An effective Discussion section will also highlight the strengths and limitations of a study.

• Did you have high internal validity or reliability?
• How did you establish these aspects of your study?

When describing limitations, use specific examples. For example, if random error contributed substantially to the measurements in your study, state the particular sources of error (e.g., imprecise apparatus) and explain ways to improve them.

The results support the hypothesis that nitrogen levels affect plant height, with increasing levels producing taller plants. These statistically significant results are taken together with previous research to support the importance of nitrogen as a nutrient for tomato plant growth.

However, unlike previous studies, this study focused on plant height as an indicator of plant growth in the present experiment. Importantly, plant height may not always reflect plant health or fruit yield, so measuring other indicators would have strengthened the study findings.

Another limitation of the study is the plant height measurement technique, as the measuring tape was not suitable for plants with extreme curvature. Future studies may focus on measuring plant height in different ways.

The main strengths of this study were the controls for extraneous variables, such as pH and carbon levels of the soil. All other factors that could affect plant height were tightly controlled to isolate the effects of nitrogen levels, resulting in high internal validity for this study.

Your conclusion should be the final section of your lab report. Here, you’ll summarize the findings of your experiment, with a brief overview of the strengths and limitations, and implications of your study for further research.

Some lab reports may omit a Conclusion section because it overlaps with the Discussion section, but you should check with your instructor before doing so.

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A lab report conveys the aim, methods, results, and conclusions of a scientific experiment . Lab reports are commonly assigned in science, technology, engineering, and mathematics (STEM) fields.

The purpose of a lab report is to demonstrate your understanding of the scientific method with a hands-on lab experiment. Course instructors will often provide you with an experimental design and procedure. Your task is to write up how you actually performed the experiment and evaluate the outcome.

In contrast, a research paper requires you to independently develop an original argument. It involves more in-depth research and interpretation of sources and data.

A lab report is usually shorter than a research paper.

The sections of a lab report can vary between scientific fields and course requirements, but it usually contains the following:

• Abstract: summarizes your research aims, methods, results, and conclusions
• References: list of all sources cited using a specific style (e.g. APA)
• Appendices: contains lengthy materials, procedures, tables or figures

The results chapter or section simply and objectively reports what you found, without speculating on why you found these results. The discussion interprets the meaning of the results, puts them in context, and explains why they matter.

In qualitative research , results and discussion are sometimes combined. But in quantitative research , it’s considered important to separate the objective results from your interpretation of them.

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BIOLOGY JUNCTION

Test And Quizzes for Biology, Pre-AP, Or AP Biology For Teachers And Students

A Step-By-Step Guide on Writing a Biology Research Paper

For many students, writing a biology research paper can seem like a daunting task. They want to come up with the best possible report, but they don’t realize that planning the entire writing process can improve the quality of their work and save them time while writing. In this article, you’ll learn how to find a good topic, outline your paper, use statistical tests, and avoid using hedge words.

Finding a good topic

The first step in writing a well-constructed biology research paper is choosing a topic. There are a variety of topics to choose from within the biological field. Choose one that interests you and captures your attention. A compelling topic motivates you to work hard and produce a high-quality paper.

While choosing a topic, keep in mind that biology research is time-consuming and requires extensive research. For this reason, choosing a topic that piques the interest of the reader is crucial. In addition to this, you should choose a topic that is appropriate for the type of biology paper you need to write. After all, you do not want to bore the reader with an inane paper.

A good biology research paper topic should be well-supported by solid scientific evidence. Select a topic only after thorough research, and be sure to include steps and references from reliable sources. A biological research paper topic can be an interesting journey into the world of nature. You could choose to research the effects of stress on the human body or investigate the biological mechanisms of the human reproductive system.

Outlining your paper

The first step in drafting a biological research paper is to create an outline. This is meant to be a roadmap that helps you understand and visualize the subject. An outline can help you avoid common writing mistakes and shape your paper into a serious piece of work. The next step is to gather information about the subject that will support your main idea.

Once you have a topic, you can start writing your outline. Outlines should include at least one idea, a brief introduction, and a conclusion. The introduction, ideas, and conclusion should be numbered in the order you plan to present your information. The main ideas are generally a collection of facts and figures. For example, in a literature review, these points might be chapters from a book, a series of dates from history, or the methods and results of a scientific paper.

When writing a biological research paper, you should use scholarly sources. While there is a lot of misinformation on the internet, it’s best to stick to  academic essay writing service  to get the most accurate information. Most libraries allow you to select a peer-review filter that will restrict your search results to academic journals. It’s also helpful to be familiar with the differences between scholarly and popular sources.

Using statistical tests

Using statistical tests when writing a biological paper requires that you make certain assumptions about the results you are describing. The most common statistical tests are parametric tests that are based on assumptions about conditions or parameters. About 22% of the papers in our review reported violations of these assumptions, and such violations can lead to inappropriate or invalid conclusions.

Statistical tests are important in biological research because they allow researchers to determine if their data is statistically significant or not. The power of these tests depends on the size of the dataset. Larger datasets produce more significant results. The power of these tests also depends on the assumption of independence between measurements. This is important because the results can be different if there are duplications or different levels of replications.

Hypothesis tests are useful in evaluating experimental data. They identify differences and patterns in data. They are useful tools for structuring biological research.

Avoiding hedge words

Hedge words are phrases or words used to express uncertainty in a scientific paper. They can help writers avoid making inaccurate claims while still being respectful of the reader’s opinion. However, writers must be careful to avoid using too many hedges. 

Listed below are a few guidelines to help you avoid these words:

• Hedge words shift the burden of responsibility from the writer to the reader. 
• Hedge words can be a sign of uncertainty or overstatement. They can also be used to limit the scope of an assertion. They also convey an opinion or hypothesis. When choosing a hedging strategy, be careful not to use words such as “no data” or “unreliable.” These words can convey a degree of uncertainty and imply that the findings cannot be confirmed.

The use of hedge words is common in academic writing. However, they hurt your audience. It is a linguistic strategy that writers use as a way to reassure readers. The goal is to guide readers and make them feel comfortable with the idea that the author does not know all the answers.

Choosing a format

Biological research papers have different formats, and you should choose one that suits the nature of your paper. It should be based on credible and peer-reviewed sources. The best sources to use for biology papers are books, specialized journals, and databases. Avoid personal blogs, social networks, and internet discussions, as these are not suitable for a research paper.

Biology research papers focus on a specific issue and present different arguments in support of a thesis. Traditionally, they are based on peer-reviewed sources, but you can also conduct your independent research and present unique findings. Biology is a complex field of study. The subject matter varies, from the basic structure of living things to the functions of different organs. It also explores the process of evolution and the life span of different species.

Formatting your bibliography

When writing a biological research paper, the format of your bibliography is crucial. It should follow a standardized citation style such as the “Author, Date” scientific style. The format should be arranged alphabetically by author, and you should use numbered references to indicate key sources.

Reference lists must be comprehensive and contain enough information to enable readers to find the sources themselves. Although the format is not as important as completeness, it can help readers quickly identify the authors and sources. Bibliographies are usually reverse-indented to make them easier to find.

In-text citations should include the author’s last name, preferred name, and the page number. Usually, authors do not separate their surname and year of publication. In addition, you should also include the location, which is usually the publisher’s office.

If a work has more than four authors, you should list up to ten in the reference list. The first author’s surname should be used, followed by “et al.” Likewise, you should list more than ten authors in the reference list.

When writing a biological research paper, it is important to ensure that your bibliography is formatted properly. When you write the title, you should use boldface and uppercase letters. The title should also be focused, not too long or too short. It should take one or two lines and all text should be double-spaced. You should also type the author’s name after the title. Don’t forget to indicate the location of your research as well as the date you submitted the paper.

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How to write your first research paper

Affiliation.

• 1 Graduate Writing Center, Yale Graduate School of Arts and Sciences, Yale University, New Haven, Connecticut, USA. [email protected]
• PMID: 21966034
• PMCID: PMC3178846

Writing a research manuscript is an intimidating process for many novice writers in the sciences. One of the stumbling blocks is the beginning of the process and creating the first draft. This paper presents guidelines on how to initiate the writing process and draft each section of a research manuscript. The paper discusses seven rules that allow the writer to prepare a well-structured and comprehensive manuscript for a publication submission. In addition, the author lists different strategies for successful revision. Each of those strategies represents a step in the revision process and should help the writer improve the quality of the manuscript. The paper could be considered a brief manual for publication.

Keywords: revision; scientific paper; writing process.

Copyright © 2011.

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Biology Research: Getting Started: Writing & Citing

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Links to Writing and Style Guides

• APA Style and Grammar Guidelines This comprehensive site from the American Psychological Association offers advice on topics that include paper formatting, in-text citations, references, and bias-free language.
• Ecological Society of America Style format for the journals Ecology, Ecological Applications, Ecological Monographs

Other Resources

• Conducting and Writing a Literature Review How to find and put together background information on your topic
• Guidelines for Effective Professional and Academic Writing A concise guide from the University of Florida/Institute of Food and Agricultural Sciences.
• How to Write Scientific Reports A comprehensive guide from the University of North Carolina Chapel Hill's Writing Center
• Materials and Methods An example of how to write up what was done and how it was done in your research.
• Poster and Presentation Resources Advice on presenting academic research and an extensive list of poster resources
• Writing in the Disciplines: Biology Examples of citing your sources from the University of Richmond Writing Center, from Bates College Department of Biology.

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Writing an Introduction for a Scientific Paper

Dr. michelle harris, dr. janet batzli, biocore.

This section provides guidelines on how to construct a solid introduction to a scientific paper including background information, study question , biological rationale, hypothesis , and general approach . If the Introduction is done well, there should be no question in the reader’s mind why and on what basis you have posed a specific hypothesis.

Broad Question : based on an initial observation (e.g., “I see a lot of guppies close to the shore. Do guppies like living in shallow water?”). This observation of the natural world may inspire you to investigate background literature or your observation could be based on previous research by others or your own pilot study. Broad questions are not always included in your written text, but are essential for establishing the direction of your research.

Background Information : key issues, concepts, terminology, and definitions needed to understand the biological rationale for the experiment. It often includes a summary of findings from previous, relevant studies. Remember to cite references, be concise, and only include relevant information given your audience and your experimental design. Concisely summarized background information leads to the identification of specific scientific knowledge gaps that still exist. (e.g., “No studies to date have examined whether guppies do indeed spend more time in shallow water.”)

Testable Question : these questions are much more focused than the initial broad question, are specific to the knowledge gap identified, and can be addressed with data. (e.g., “Do guppies spend different amounts of time in water <1 meter deep as compared to their time in water that is >1 meter deep?”)

Biological Rationale : describes the purpose of your experiment distilling what is known and what is not known that defines the knowledge gap that you are addressing. The “BR” provides the logic for your hypothesis and experimental approach, describing the biological mechanism and assumptions that explain why your hypothesis should be true.

The biological rationale is based on your interpretation of the scientific literature, your personal observations, and the underlying assumptions you are making about how you think the system works. If you have written your biological rationale, your reader should see your hypothesis in your introduction section and say to themselves, “Of course, this hypothesis seems very logical based on the rationale presented.”

• A thorough rationale defines your assumptions about the system that have not been revealed in scientific literature or from previous systematic observation. These assumptions drive the direction of your specific hypothesis or general predictions.
• Defining the rationale is probably the most critical task for a writer, as it tells your reader why your research is biologically meaningful. It may help to think about the rationale as an answer to the questions— how is this investigation related to what we know, what assumptions am I making about what we don’t yet know, AND how will this experiment add to our knowledge? *There may or may not be broader implications for your study; be careful not to overstate these (see note on social justifications below).
• Expect to spend time and mental effort on this. You may have to do considerable digging into the scientific literature to define how your experiment fits into what is already known and why it is relevant to pursue.
• Be open to the possibility that as you work with and think about your data, you may develop a deeper, more accurate understanding of the experimental system. You may find the original rationale needs to be revised to reflect your new, more sophisticated understanding.
• As you progress through Biocore and upper level biology courses, your rationale should become more focused and matched with the level of study e ., cellular, biochemical, or physiological mechanisms that underlie the rationale. Achieving this type of understanding takes effort, but it will lead to better communication of your science.

***Special note on avoiding social justifications: You should not overemphasize the relevance of your experiment and the possible connections to large-scale processes. Be realistic and logical —do not overgeneralize or state grand implications that are not sensible given the structure of your experimental system. Not all science is easily applied to improving the human condition. Performing an investigation just for the sake of adding to our scientific knowledge (“pure or basic science”) is just as important as applied science. In fact, basic science often provides the foundation for applied studies.

Hypothesis / Predictions : specific prediction(s) that you will test during your experiment. For manipulative experiments, the hypothesis should include the independent variable (what you manipulate), the dependent variable(s) (what you measure), the organism or system , the direction of your results, and comparison to be made.

If you are doing a systematic observation , your hypothesis presents a variable or set of variables that you predict are important for helping you characterize the system as a whole, or predict differences between components/areas of the system that help you explain how the system functions or changes over time.

Experimental Approach : Briefly gives the reader a general sense of the experiment, the type of data it will yield, and the kind of conclusions you expect to obtain from the data. Do not confuse the experimental approach with the experimental protocol . The experimental protocol consists of the detailed step-by-step procedures and techniques used during the experiment that are to be reported in the Methods and Materials section.

Some Final Tips on Writing an Introduction

• As you progress through the Biocore sequence, for instance, from organismal level of Biocore 301/302 to the cellular level in Biocore 303/304, we expect the contents of your “Introduction” paragraphs to reflect the level of your coursework and previous writing experience. For example, in Biocore 304 (Cell Biology Lab) biological rationale should draw upon assumptions we are making about cellular and biochemical processes.
• Be Concise yet Specific: Remember to be concise and only include relevant information given your audience and your experimental design. As you write, keep asking, “Is this necessary information or is this irrelevant detail?” For example, if you are writing a paper claiming that a certain compound is a competitive inhibitor to the enzyme alkaline phosphatase and acts by binding to the active site, you need to explain (briefly) Michaelis-Menton kinetics and the meaning and significance of Km and Vmax. This explanation is not necessary if you are reporting the dependence of enzyme activity on pH because you do not need to measure Km and Vmax to get an estimate of enzyme activity.
• Another example: if you are writing a paper reporting an increase in Daphnia magna heart rate upon exposure to caffeine you need not describe the reproductive cycle of magna unless it is germane to your results and discussion. Be specific and concrete, especially when making introductory or summary statements.

Where Do You Discuss Pilot Studies? Many times it is important to do pilot studies to help you get familiar with your experimental system or to improve your experimental design. If your pilot study influences your biological rationale or hypothesis, you need to describe it in your Introduction. If your pilot study simply informs the logistics or techniques, but does not influence your rationale, then the description of your pilot study belongs in the Materials and Methods section.  

How will introductions be evaluated? The following is part of the rubric we will be using to evaluate your papers.

How to Write a Biology Research Paper: A Comprehensive Guide

In academic circles, mastering the art of writing a biology research paper is imperative. This guide offers you a holistic approach to tackle this challenging task. You'll find detailed insights into planning, structuring, and executing your paper, ensuring that you engage your audience with well-researched, credible data. From the initial steps to the final submission, we'll walk you through each process, dissecting the complex parts to provide a manageable roadmap. We’ll cover topics from starting a biology research paper  to its outline, body, and conclusion, all while keeping your academic goals in focus. So let's dive in!

How to Start a Biology Research Paper

When commencing a biology research paper, your first task is to select a topic that interests both you and your readers. The topic should be relevant to the study of biology and present opportunities for you to showcase your findings. A well-chosen topic will make the research process smoother and help you craft a paper that resonates with your audience. Remember, the success of your paper largely depends on your initial groundwork, so make it count. Check out recent science journals for research publication inspiration.

How to Structure a Biology Research Paper

After picking your topic, the next step is planning the structure of your biology research paper. The structure should comprise of an introduction, body, and conclusion. It's crucial to create an outline before diving into the writing process, as this helps to organize your thoughts and findings. The outline should cover each section of the paper, from the introduction to the conclusion, including the arguments, experimental procedures, and vital information you intend to include.

Understanding the Biology Research Paper Outline

A biology research paper outline serves as your blueprint. It guides you through the writing process, making sure you don't drift off-topic. Your outline should include the thesis statement, the main points for your arguments, the experimental procedures to be followed, and the data you'll collect. It's also the space to decide how you'll present your research findings to your readers in a comprehensible manner. With a well-prepared outline, you'll find that writing your paper becomes significantly easier.

How to End a Biology Research Paper

Concluding a biology research paper effectively involves summarizing your key findings and stating their implications. It's not just about restating what you've already said; it's a final opportunity to leave a lasting impression on your audience. Your conclusion should reiterate your thesis statement and provide a summary of the key points made in the paper's body. It's essential to also discuss the significance of your findings and how they contribute to existing scientific research.

Submitting to Science Journals for Research Publication

After completing your paper, the final step is to submit it to reputable science journals for research publication. Peer-reviewed journals are the gold standard in the scientific community. Your paper will undergo rigorous review, ensuring it meets the academic and scientific criteria of the journal. The process may require revisions, but don't be disheartened. These are steps to ensure that your research is robust, accurate, and worthy of academic recognition.

A Comprehensive Research

The term 'comprehensive research' implies the exhaustive and detailed nature of your study. Make sure your research is thorough and leaves no stone unturned. This will lend credibility and depth to your biology research paper, enhancing its value in academic circles.

Introduction of Biology Research Paper

The introduction sets the tone for your biology research paper. It's where you outline the objective, the research question, and the thesis statement. Make it engaging enough to captivate your readers but academic enough to convey the paper’s significance.

Body of Biology Research Paper

The body is where you present your findings, experimental procedures, and analysis. Structure it logically, using headings and subheadings to guide the reader through your arguments and data. Consistency and clarity are key to keeping your audience engaged.

Conclusion of Biology Research Paper

In your conclusion, make sure to tie all your findings back to your research question and thesis statement. A compelling conclusion will summarize the research, restate the importance of your study, and suggest potential avenues for future research.

Dos and Don'ts

• Do conduct a thorough literature review.
• Do create an exhaustive outline.
• Don't use jargon without explaining it.
• Don't ignore formatting guidelines.

Final Thoughts

Completing a biology research paper is a complex yet rewarding academic exercise. It's a chance to contribute to the scientific community and showcase your ability to conduct research, analyze data, and articulate your findings. With careful planning, diligent research, and thoughtful writing, you can create a paper that not only meets academic standards but also serves as a meaningful addition to existing scientific literature.

Useful Resources:  https://techthanos.com/ways-of-using-chatgpt-in-the-classroom/

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Writing a scientific paper.

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• INTRODUCTION

Writing a "good" results section

Figures and Captions in Lab Reports

"Results Checklist" from: How to Write a Good Scientific Paper. Chris A. Mack. SPIE. 2018.

Additional tips for results sections.

• LITERATURE CITED
• Bibliography of guides to scientific writing and presenting
• Peer Review
• Presentations
• Lab Report Writing Guides on the Web

This is the core of the paper. Don't start the results sections with methods you left out of the Materials and Methods section. You need to give an overall description of the experiments and present the data you found.

• Factual statements supported by evidence. Short and sweet without excess words
• Present representative data rather than endlessly repetitive data
• Discuss variables only if they had an effect (positive or negative)
• Use meaningful statistics
• Avoid redundancy. If it is in the tables or captions you may not need to repeat it

A short article by Dr. Brett Couch and Dr. Deena Wassenberg, Biology Program, University of Minnesota

• Present the results of the paper, in logical order, using tables and graphs as necessary.
• Explain the results and show how they help to answer the research questions posed in the Introduction. Evidence does not explain itself; the results must be presented and then explained. 
• Avoid: presenting results that are never discussed;  presenting results in chronological order rather than logical order; ignoring results that do not support the conclusions; 
• Number tables and figures separately beginning with 1 (i.e. Table 1, Table 2, Figure 1, etc.).
• Do not attempt to evaluate the results in this section. Report only what you found; hold all discussion of the significance of the results for the Discussion section.
• It is not necessary to describe every step of your statistical analyses. Scientists understand all about null hypotheses, rejection rules, and so forth and do not need to be reminded of them. Just say something like, "Honeybees did not use the flowers in proportion to their availability (X2 = 7.9, p<0.05, d.f.= 4, chi-square test)." Likewise, cite tables and figures without describing in detail how the data were manipulated. Explanations of this sort should appear in a legend or caption written on the same page as the figure or table.
• You must refer in the text to each figure or table you include in your paper.
• Tables generally should report summary-level data, such as means ± standard deviations, rather than all your raw data.  A long list of all your individual observations will mean much less than a few concise, easy-to-read tables or figures that bring out the main findings of your study.  
• Only use a figure (graph) when the data lend themselves to a good visual representation.  Avoid using figures that show too many variables or trends at once, because they can be hard to understand.

From:  https://writingcenter.gmu.edu/guides/imrad-results-discussion

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• CAREER FEATURE
• 04 December 2020
• Correction 09 December 2020

How to write a superb literature review

Andy Tay is a freelance writer based in Singapore.

You can also search for this author in PubMed   Google Scholar

Literature reviews are important resources for scientists. They provide historical context for a field while offering opinions on its future trajectory. Creating them can provide inspiration for one’s own research, as well as some practice in writing. But few scientists are trained in how to write a review — or in what constitutes an excellent one. Even picking the appropriate software to use can be an involved decision (see ‘Tools and techniques’). So Nature asked editors and working scientists with well-cited reviews for their tips.

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doi: https://doi.org/10.1038/d41586-020-03422-x

Interviews have been edited for length and clarity.

Updates & Corrections

Correction 09 December 2020 : An earlier version of the tables in this article included some incorrect details about the programs Zotero, Endnote and Manubot. These have now been corrected.

Hsing, I.-M., Xu, Y. & Zhao, W. Electroanalysis 19 , 755–768 (2007).

Article   Google Scholar  

Ledesma, H. A. et al. Nature Nanotechnol. 14 , 645–657 (2019).

Article   PubMed   Google Scholar  

Brahlek, M., Koirala, N., Bansal, N. & Oh, S. Solid State Commun. 215–216 , 54–62 (2015).

Choi, Y. & Lee, S. Y. Nature Rev. Chem . https://doi.org/10.1038/s41570-020-00221-w (2020).

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Ten Simple Rules for Writing a Literature Review

Marco pautasso.

1 Centre for Functional and Evolutionary Ecology (CEFE), CNRS, Montpellier, France

2 Centre for Biodiversity Synthesis and Analysis (CESAB), FRB, Aix-en-Provence, France

Literature reviews are in great demand in most scientific fields. Their need stems from the ever-increasing output of scientific publications [1] . For example, compared to 1991, in 2008 three, eight, and forty times more papers were indexed in Web of Science on malaria, obesity, and biodiversity, respectively [2] . Given such mountains of papers, scientists cannot be expected to examine in detail every single new paper relevant to their interests [3] . Thus, it is both advantageous and necessary to rely on regular summaries of the recent literature. Although recognition for scientists mainly comes from primary research, timely literature reviews can lead to new synthetic insights and are often widely read [4] . For such summaries to be useful, however, they need to be compiled in a professional way [5] .

When starting from scratch, reviewing the literature can require a titanic amount of work. That is why researchers who have spent their career working on a certain research issue are in a perfect position to review that literature. Some graduate schools are now offering courses in reviewing the literature, given that most research students start their project by producing an overview of what has already been done on their research issue [6] . However, it is likely that most scientists have not thought in detail about how to approach and carry out a literature review.

Reviewing the literature requires the ability to juggle multiple tasks, from finding and evaluating relevant material to synthesising information from various sources, from critical thinking to paraphrasing, evaluating, and citation skills [7] . In this contribution, I share ten simple rules I learned working on about 25 literature reviews as a PhD and postdoctoral student. Ideas and insights also come from discussions with coauthors and colleagues, as well as feedback from reviewers and editors.

Rule 1: Define a Topic and Audience

How to choose which topic to review? There are so many issues in contemporary science that you could spend a lifetime of attending conferences and reading the literature just pondering what to review. On the one hand, if you take several years to choose, several other people may have had the same idea in the meantime. On the other hand, only a well-considered topic is likely to lead to a brilliant literature review [8] . The topic must at least be:

• interesting to you (ideally, you should have come across a series of recent papers related to your line of work that call for a critical summary),
• an important aspect of the field (so that many readers will be interested in the review and there will be enough material to write it), and
• a well-defined issue (otherwise you could potentially include thousands of publications, which would make the review unhelpful).

Ideas for potential reviews may come from papers providing lists of key research questions to be answered [9] , but also from serendipitous moments during desultory reading and discussions. In addition to choosing your topic, you should also select a target audience. In many cases, the topic (e.g., web services in computational biology) will automatically define an audience (e.g., computational biologists), but that same topic may also be of interest to neighbouring fields (e.g., computer science, biology, etc.).

Rule 2: Search and Re-search the Literature

After having chosen your topic and audience, start by checking the literature and downloading relevant papers. Five pieces of advice here:

• keep track of the search items you use (so that your search can be replicated [10] ),
• keep a list of papers whose pdfs you cannot access immediately (so as to retrieve them later with alternative strategies),
• use a paper management system (e.g., Mendeley, Papers, Qiqqa, Sente),
• define early in the process some criteria for exclusion of irrelevant papers (these criteria can then be described in the review to help define its scope), and
• do not just look for research papers in the area you wish to review, but also seek previous reviews.

The chances are high that someone will already have published a literature review ( Figure 1 ), if not exactly on the issue you are planning to tackle, at least on a related topic. If there are already a few or several reviews of the literature on your issue, my advice is not to give up, but to carry on with your own literature review,

The bottom-right situation (many literature reviews but few research papers) is not just a theoretical situation; it applies, for example, to the study of the impacts of climate change on plant diseases, where there appear to be more literature reviews than research studies [33] .

• discussing in your review the approaches, limitations, and conclusions of past reviews,
• trying to find a new angle that has not been covered adequately in the previous reviews, and
• incorporating new material that has inevitably accumulated since their appearance.

When searching the literature for pertinent papers and reviews, the usual rules apply:

• be thorough,
• use different keywords and database sources (e.g., DBLP, Google Scholar, ISI Proceedings, JSTOR Search, Medline, Scopus, Web of Science), and
• look at who has cited past relevant papers and book chapters.

Rule 3: Take Notes While Reading

If you read the papers first, and only afterwards start writing the review, you will need a very good memory to remember who wrote what, and what your impressions and associations were while reading each single paper. My advice is, while reading, to start writing down interesting pieces of information, insights about how to organize the review, and thoughts on what to write. This way, by the time you have read the literature you selected, you will already have a rough draft of the review.

Of course, this draft will still need much rewriting, restructuring, and rethinking to obtain a text with a coherent argument [11] , but you will have avoided the danger posed by staring at a blank document. Be careful when taking notes to use quotation marks if you are provisionally copying verbatim from the literature. It is advisable then to reformulate such quotes with your own words in the final draft. It is important to be careful in noting the references already at this stage, so as to avoid misattributions. Using referencing software from the very beginning of your endeavour will save you time.

Rule 4: Choose the Type of Review You Wish to Write

After having taken notes while reading the literature, you will have a rough idea of the amount of material available for the review. This is probably a good time to decide whether to go for a mini- or a full review. Some journals are now favouring the publication of rather short reviews focusing on the last few years, with a limit on the number of words and citations. A mini-review is not necessarily a minor review: it may well attract more attention from busy readers, although it will inevitably simplify some issues and leave out some relevant material due to space limitations. A full review will have the advantage of more freedom to cover in detail the complexities of a particular scientific development, but may then be left in the pile of the very important papers “to be read” by readers with little time to spare for major monographs.

There is probably a continuum between mini- and full reviews. The same point applies to the dichotomy of descriptive vs. integrative reviews. While descriptive reviews focus on the methodology, findings, and interpretation of each reviewed study, integrative reviews attempt to find common ideas and concepts from the reviewed material [12] . A similar distinction exists between narrative and systematic reviews: while narrative reviews are qualitative, systematic reviews attempt to test a hypothesis based on the published evidence, which is gathered using a predefined protocol to reduce bias [13] , [14] . When systematic reviews analyse quantitative results in a quantitative way, they become meta-analyses. The choice between different review types will have to be made on a case-by-case basis, depending not just on the nature of the material found and the preferences of the target journal(s), but also on the time available to write the review and the number of coauthors [15] .

Rule 5: Keep the Review Focused, but Make It of Broad Interest

Whether your plan is to write a mini- or a full review, it is good advice to keep it focused 16 , 17 . Including material just for the sake of it can easily lead to reviews that are trying to do too many things at once. The need to keep a review focused can be problematic for interdisciplinary reviews, where the aim is to bridge the gap between fields [18] . If you are writing a review on, for example, how epidemiological approaches are used in modelling the spread of ideas, you may be inclined to include material from both parent fields, epidemiology and the study of cultural diffusion. This may be necessary to some extent, but in this case a focused review would only deal in detail with those studies at the interface between epidemiology and the spread of ideas.

While focus is an important feature of a successful review, this requirement has to be balanced with the need to make the review relevant to a broad audience. This square may be circled by discussing the wider implications of the reviewed topic for other disciplines.

Rule 6: Be Critical and Consistent

Reviewing the literature is not stamp collecting. A good review does not just summarize the literature, but discusses it critically, identifies methodological problems, and points out research gaps [19] . After having read a review of the literature, a reader should have a rough idea of:

• the major achievements in the reviewed field,
• the main areas of debate, and
• the outstanding research questions.

It is challenging to achieve a successful review on all these fronts. A solution can be to involve a set of complementary coauthors: some people are excellent at mapping what has been achieved, some others are very good at identifying dark clouds on the horizon, and some have instead a knack at predicting where solutions are going to come from. If your journal club has exactly this sort of team, then you should definitely write a review of the literature! In addition to critical thinking, a literature review needs consistency, for example in the choice of passive vs. active voice and present vs. past tense.

Rule 7: Find a Logical Structure

Like a well-baked cake, a good review has a number of telling features: it is worth the reader's time, timely, systematic, well written, focused, and critical. It also needs a good structure. With reviews, the usual subdivision of research papers into introduction, methods, results, and discussion does not work or is rarely used. However, a general introduction of the context and, toward the end, a recapitulation of the main points covered and take-home messages make sense also in the case of reviews. For systematic reviews, there is a trend towards including information about how the literature was searched (database, keywords, time limits) [20] .

How can you organize the flow of the main body of the review so that the reader will be drawn into and guided through it? It is generally helpful to draw a conceptual scheme of the review, e.g., with mind-mapping techniques. Such diagrams can help recognize a logical way to order and link the various sections of a review [21] . This is the case not just at the writing stage, but also for readers if the diagram is included in the review as a figure. A careful selection of diagrams and figures relevant to the reviewed topic can be very helpful to structure the text too [22] .

Rule 8: Make Use of Feedback

Reviews of the literature are normally peer-reviewed in the same way as research papers, and rightly so [23] . As a rule, incorporating feedback from reviewers greatly helps improve a review draft. Having read the review with a fresh mind, reviewers may spot inaccuracies, inconsistencies, and ambiguities that had not been noticed by the writers due to rereading the typescript too many times. It is however advisable to reread the draft one more time before submission, as a last-minute correction of typos, leaps, and muddled sentences may enable the reviewers to focus on providing advice on the content rather than the form.

Feedback is vital to writing a good review, and should be sought from a variety of colleagues, so as to obtain a diversity of views on the draft. This may lead in some cases to conflicting views on the merits of the paper, and on how to improve it, but such a situation is better than the absence of feedback. A diversity of feedback perspectives on a literature review can help identify where the consensus view stands in the landscape of the current scientific understanding of an issue [24] .

Rule 9: Include Your Own Relevant Research, but Be Objective

In many cases, reviewers of the literature will have published studies relevant to the review they are writing. This could create a conflict of interest: how can reviewers report objectively on their own work [25] ? Some scientists may be overly enthusiastic about what they have published, and thus risk giving too much importance to their own findings in the review. However, bias could also occur in the other direction: some scientists may be unduly dismissive of their own achievements, so that they will tend to downplay their contribution (if any) to a field when reviewing it.

In general, a review of the literature should neither be a public relations brochure nor an exercise in competitive self-denial. If a reviewer is up to the job of producing a well-organized and methodical review, which flows well and provides a service to the readership, then it should be possible to be objective in reviewing one's own relevant findings. In reviews written by multiple authors, this may be achieved by assigning the review of the results of a coauthor to different coauthors.

Rule 10: Be Up-to-Date, but Do Not Forget Older Studies

Given the progressive acceleration in the publication of scientific papers, today's reviews of the literature need awareness not just of the overall direction and achievements of a field of inquiry, but also of the latest studies, so as not to become out-of-date before they have been published. Ideally, a literature review should not identify as a major research gap an issue that has just been addressed in a series of papers in press (the same applies, of course, to older, overlooked studies (“sleeping beauties” [26] )). This implies that literature reviewers would do well to keep an eye on electronic lists of papers in press, given that it can take months before these appear in scientific databases. Some reviews declare that they have scanned the literature up to a certain point in time, but given that peer review can be a rather lengthy process, a full search for newly appeared literature at the revision stage may be worthwhile. Assessing the contribution of papers that have just appeared is particularly challenging, because there is little perspective with which to gauge their significance and impact on further research and society.

Inevitably, new papers on the reviewed topic (including independently written literature reviews) will appear from all quarters after the review has been published, so that there may soon be the need for an updated review. But this is the nature of science [27] – [32] . I wish everybody good luck with writing a review of the literature.

Acknowledgments

Many thanks to M. Barbosa, K. Dehnen-Schmutz, T. Döring, D. Fontaneto, M. Garbelotto, O. Holdenrieder, M. Jeger, D. Lonsdale, A. MacLeod, P. Mills, M. Moslonka-Lefebvre, G. Stancanelli, P. Weisberg, and X. Xu for insights and discussions, and to P. Bourne, T. Matoni, and D. Smith for helpful comments on a previous draft.

Funding Statement

This work was funded by the French Foundation for Research on Biodiversity (FRB) through its Centre for Synthesis and Analysis of Biodiversity data (CESAB), as part of the NETSEED research project. The funders had no role in the preparation of the manuscript.

Biology 231 - Research Methods

• Verifying If An Article Is Peer-Reviewed
• Should I Trust Internet Sources?
• Suggested Databases for Finding Sources
• Critical Analysis
• Creating an Annotated Bibliography
• Creating a Literature Review
• Resources for Writing Position Papers
• Off-Campus Access

Ask A Librarian

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What is An Annotated Bibliography

An annotated bibliography is a list of citations for books, articles, and/or documents that you have read in pursuit of your research.  Each citation is followed by a brief (at least 100 words) paragraph that describes and evaluates the source. 

Annotated bibliographies are useful tools for gathering and condensing information about the relevance, accuracy, and quality of the sources you're planning to cite in your paper/project/presentation. 

NOTE: An annotated bibliography IS NOT a required element of this course's assignment, however at least creating a spreadsheet outlining the key points of the articles researched for your position paper can be key to highlighting the strengths and weaknesses of your arguments.  It's a good way to keep all the information straight without having to reread everything.

What Should Each Citation Include?

1.  The full citation for the source (or whatever citation style is required for the assignment). 

2.  A paragraph that includes:      a.  A brief summary of the source – its main point or argument, written in your own words.      b.  A description of the authority or background of the author(s).      c.  A description of how this source compares and/or contrasts with other sources you have read on        this topic.      d.  An explanation of how this source contributes to answering your research question.

3.  All of this needs to be written in your own words, to convey your own understanding of the      source.  If you simply copy or lift language (or cut and paste) from the source or its abstract, you      have failed.

Example 1: Fullard, D. (2005). Biodiversity Education at a Natural World Heritage Site: Kirstenbosch Botanical Garden. Roots 2(1): 3. Kirstenbosch National Botanical Garden, in Cape Town, is the first botanical garden to be recognized as a natural World Heritage Site. The Kirstenbosch Environmental Education Program supports the World Heritage Convention’s mission to encourage participation of the local population in the preservation of their cultural and natural heritage. The program’s stated mission is to inspire and enable people from all walks of life to take responsibility for their environment. Learners/youth from the disadvantaged areas and under-resourced schools of the Cape Flats in the Western Cape participate in a curriculum-linked, gardenbased and outreach greening program which cover a wide variety of themes, learning program and activities. The article does not describe and specific outcomes or how program successes were measured and evaluated.  Example 2:

Kletou, D., Hall-Spencer, J. M., & Kleitou, P. (2016). A lionfish (Pterois miles) invasion has begun in the Mediterranean Sea.  Marine Biodiversity  Records 9( 46) .  1-7. doi:10.1186/s41200-016-0065-y ​ This article discusses the recent invasion of the lionfish in the Mediterranean Sea and offers reasons for the sudden increase in the species' presence.  The study concludes that growth of the lionfish population can be controlled by encouraging commercial fishermen and divers to capture the lionfish to be sold on the market. While the article provides data and graphs that forecast the decline of the lionfish with a commercial fishing intervention, the methodology is incomplete. The researchers do not fully explain how they obtained these results.  The article does not address external factors that may derail the fishing plan proposed by the authors; for example, the researchers do not consider the population growth rate of the lionfish or how aggressive the fishing rate needs to be to control the population in a timely manner. Although the introduction is helpful in providing a framework for why the lionfish invasion is a concerning issue, the discussion lacks depth in addressing other issues that may arise.

(Source: University of West Florida LibGuides: EVR 2001: Introduction to Environmental Science.  https://libguides.uwf.edu/c.php?g=436278&p=3891645)

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150 Actual Biology Research Paper Topics

Table of contents

• 1 What Is Biology? What Topics Might Biologists Study?
• 2 How to Choose a Topic for Biology Research Paper?
• 3.1 15 Developmental Biology Topics For Research
• 3.2 15 Immune System Biology Research Topics
• 3.3 15 Cell Biology Research Topics
• 3.4 15 DNA Research Topics
• 3.5 15 Molecular Biology Research Topics
• 3.6 15 Neurobiology Research Topics
• 3.7 15 Abortion, Human cloning, and Genetic Researches Topics
• 3.8 15 Environmental and Ecology Topics for Your Research
• 3.9 15 Plant Pathology Biology Research Topics
• 3.10 15 Animals Biology Research Topics
• 3.11 15 Marine Biology Research Topics
• 3.12 15 Zoology Research Topics
• 3.13 15 Genetics Research Topics
• 3.14 15 Biotechnology Research Topics
• 3.15 15 Evolutionary Biology Research Topics

Biology is one of the most magnetic fields of study these days. If you want to be a biologist or scientist in the future, there is no better time to start than right now. Biology research topics covered in this article will keep you busy and interested. Writing a research paper is one of the best ways to dip your toes into the field. Before doing that, you need to know some good topics for the research paper . They should be suitable for biology students rather than cutting-edge researchers. On Papersowl.com , we provide as many biology research paper examples as possible so that you have a huge choice.

What Is Biology? What Topics Might Biologists Study?

Biology is simply the study of everything that has a form of life. It includes investigations on plants, animals, and everything found in the environment. It is about studying how life forms grow, develop, and interact with each other. Biology essay topics for research encompass all these and more.

This science uncovers many fields where various life forms are studied. It makes sense to look through these fields to help you decide which suits you the best.

Plant Biology research topics are about studying the plants around us. They disclose information about their existence as a part of the ecosystem, their life cycle, resources they can give us, their ability to preserve them from climate changes, and so on. There are many ideas to choose from, but you must focus on a specific one.

Human Biology research topics are all about us. These topics focus on different body parts, such as the human brain, the human immunological system, the nervous system, etc. In addition, you can discuss DNA modifications in humans and explain why genetic disorders occur in your research projects. Various cell research is also common today.

Biology research topics on the environment are in great demand too. For example, climate change is becoming a more significant threat every day. By studying environmental topics in biology for projects and research, we can come up with ways to combat them and preserve ecosystems.

Microbiology research topics delve into things we can’t see. There are trillions of microbes and bacteria all around us. Knowing about them is essential to understanding what makes us sick and how to fight against them. All microbiology research paper topics are pretty complicated yet very engaging to include in your paper research.

Molecular biology topics dive even deeper into the level of atoms and molecules. The various medicines and drugs we take were all created through molecular-biology research. It is one of the areas full of ideas, but there is yet to be much evidence. Science is advancing in this realm but still needs a lot of time. Topics of molecular biology will need days for research only.

Keep in mind that there are more ideas and variations of this science. We offer more examples in further sections of the article about developmental biology, marine biology, evolutionary biology, etc. Explore them and make your writing appealing and meaningful in the eyes of a professor.

How to Choose a Topic for Biology Research Paper?

When choosing a biology project topic, you must be aware of one or more fields of science. Biology research is critical to the present world. By doing research, we can learn more about genetic disorders, immune disorders, mental health, natural disease resistance, etc. Knowing about each of these could save lives in the future.

For those who may not have the time or resources to do their own research, there are research paper writing services that can provide assistance with the project. And we are always here to help you find your own topic among interesting biology research topics. Here we prepared some useful tips to follow.

• Tip 1: The level of interest matters Pay attention to one that interests you, and you might have ideas on how to develop the topic. Passion is fundamental in research, after all.
• Tip 2: Explore the topic Try to narrow things down a bit. If the topic is too broad, you may not be able to cover all aspects of it in one research paper. If it is too narrow, the paper could end up too short. Analyze the topic and the ways to approach it. By doing so, you can strike a balance between the two.
• Tip 3: Discover the recent developments To make your research paper touchable with the present day, you must explore the latest developments in the field. You can find out what kind of research has been done recently by looking at journals. Check out research papers, topics, research articles, and other sources.
• Tip 4: Ensure to get enough resources When choosing a topic, make sure it has plenty of resources available. For example, a research paper on xenobiology or cutting-edge nanobiology might sound attractive. Still, you might have difficulties getting data and resources for those unless you are a researcher at a government lab. Data, resources, complex numbers, and statistics are all invaluable to writing a paper about these topics.

That is why we have selected a range of biological topics. The topics on this list are all hopefully exciting topics for research you could write an excellent paper on. We should also add that easy biology topics to research are rare, and a writer usually needs days to prepare and start writing. Yes, biology research topics for high school students are a bit easier, but still, they need time to explore them.

On the other hand, biology research topics for college students are far more complex and detailed. Some people prefer evolutionary biology research paper topics, and we can agree with this claim. These research areas do have a lot of potential and a lot of data to support the claims. Others prefer cell biology research topics that are a bit specific and fun. Anyway, with this article’s list of easy biology research topics, you will surely find the one matching your interest.

For those who may not have the time or resources to do their own research, there are provide assistance with the project.

Top Research Biology Paper Topics

This section contains a large selection of research biology paper topics. You will be able to find one that will suit you the best. The only thing left is to decide what variation of science you prefer. Whether you’re interested in microbiology, genetics, or any other type of science, you’ll find a topic to get you started. If you’re ever stuck or need some extra help, you can always pay someone to write your paper for you. So, take a look, and choose the perfect topic for your project!

15 Developmental Biology Topics For Research

Exploring the processes of how cells grow and develop is exciting. The human body contains millions of cells, and it’s interesting to research their behavior under different conditions. If you feel like writing about it, you can find some interesting biology topics below.

• How do stem cells form different tissues?
• How are tumors formed?
• Duplication of genomes
• Plasticity of development
• Different birth defects
• Interactions between genes and the environment
• Anticancer drugs mixtures
• Developmental diseases: Origin
• Drosophila Oogenesis
• Most deadly viruses
• Most deadly bacteria in the world
• How do germs affect cells?
• How does leukemia start?
• Development of the cardiovascular system in children
• How do autoimmune diseases start and affect the human body?

15 Immune System Biology Research Topics

For decades, many scientists and immunologists have studied the human immune system and tried to explain its reaction to various pathogens. This area allows you to deepen into it and reveal how a body protects itself from harmful impact. Look over the biology research questions below and find your match-up.

• How does the human body’s immune system work?
• The human immune system: How to strengthen it?
• What makes the immunological system weaker?
• The notion of auto-immune diseases and their effect on the body’s immune system
• The global HIV/aids epidemic
• What methods are used to prevent the spread of hives?
• Living with auto-immune diseases
• Genetics and the immune system: effects and consequences
• How do immune disorders affect the body, and what causes them?
• Are allergies signs of worrying about an immune disorder?
• DNA modification in solving immune disorders
• Stress as the biggest ruiner of the immunological system
• Vaccines as strong supporters of the immunological system
• The perception of vaccines in society
• Why do some people refuse vaccines and put others around them in danger?

15 Cell Biology Research Topics

Cell study might seem challenging yet very engaging. It will be a good idea to compare various types of cells and compare them in animals and plants. Make your choice from the list of cell biology research topics below.

• The structure of an animal cell
• Mitochondria and its meaning in cell development
• Cells classification and their functions
• Red blood cells and their function in transporting oxygen
• White blood cells and their responsibility to fight diseases
• How are plant cells different from animal cells?
• What would it be if animals had a function to photosynthesize?
• Single-celled organisms: What is it, and how do they work?
• What processes do cells go through in division?
• Invasion of bacteria into the body
• Viruses – alive or not?
• Fungi: their reproduction and distribution
• Cancer cells: Why are they so dangerous?
• What methods are used to kill cancer cells?
• The role of stem cells and their potential in a body

15 DNA Research Topics

The variety of biology research topics for college students might impress you a lot. This is a science with a large field of investigation, disclosing much scientific information to use in your project. The notion of DNA and its gist are also excellent options to write about.

• The structure of the human DNA
• The main components of a DNA chain
• Why does DNA have a double-helix spiral structure?
• The purpose of chromosomes
• MRNA and its relation to DNA
• Do single-celled organisms have DNA?
• Do viruses have DNA?
• What happens if you have too many or too few chromosomes?
• Analyzing the structure of DNA using computers
• Uses for the DNA of extinct organisms like mammoths and dinosaurs
• Storing non-genetic information in DNA
• Can you write a computer program into human DNA?
• How does radiation affect DNA?
• Modifying DNA to treat aids
• Can we fight cancer through DNA modification?

15 Molecular Biology Research Topics

Do you prefer to research molecules’ chemical and physical composition? We gathered some molecular biology research topics to make your choice easier.

• The structure and components of a gene
• How do molecules move in and out of a cell?
• The basic building blocks of life
• How are drugs designed for humans?
• How is a vaccine designed to target a specific disease?
• Dominant genes vs. recessive genes
• Prion disease – why is it so dangerous?
• Hormones and their function in the body
• Developing artificial hormones from other animals
• How to carry out a western blot?
• Testing and analyzing DNA using PCR
• The three-dimensional structure of a molecule
• What is DNA transcription, and how is it used?
• The structure of a prion
• What is the central dogma of molecular biology?

15 Neurobiology Research Topics

The more you dive into science, the more exciting things you find. That’s about biology. Here, you can choose biology research topics for high school and try to reveal more simply.

• Nervous system: its structure and function
• Neurons as unique cells playing a central role in the nervous system
• What is the maximum reaction speed in a human?
• Reaction speed: how to improve it?
• Research on Organic Farming
• What are the symptoms of Alzheimer’s disease?
• Why do we feel happy or sad?
• Headaches in terms of Neurobiology
• What are the reasons for neurobiological degeneration?
• Myths and reality of Amnesia
• What causes Alzheimer’s Disease, and what are the consequences of the disease?
• What is the treatment for Spinal Cord Injury?
• Studies on Narcolepsy and Insomnia: What are the causes?
• Is there a connection between Mental Health and Neurobiology?
• Emotions in terms of their reflection in the brain

15 Abortion, Human cloning, and Genetic Researches Topics

There are so many scientific researches and theories that society accepts or neglects. You can operate different notions and try to explain them, reflecting their advantages and downsides for a human being. We gathered some enticing life science research topics for high school students that might interest you.

• The controversy around abortion: legal or not?
• Can abortion be safe?
• Human cloning – reality vs. science-fiction
• The goals of cloning humans
• Are human cloning and transplantation ethical?
• Having a “perfect child” through gene therapy: Is it a myth?
• How far has gene therapy gone in genetic research?
• Advantages and disadvantages of gene therapy
• How gene therapy can help beat cancer
• How gene therapy can eliminate diabetes
• The opportunity to edit genes by CRISPR
• DNA modifications in humans to enhance our abilities – an ethical dilemma
• Will expensive gene therapy widen the gap between the rich and the poor?
• Cloning: the good and the Bad for a Generation
• The disadvantages of cloning
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15 Environmental and Ecology Topics for Your Research

The nature around us is so enormous and includes many branches to investigate. If you are keen on the environment and how ecology affects it, the list of follow-up biology paper topics might be helpful to you.

• The theory of evolution
• How does natural selection work?
• How do living organisms adapt to their environment?
• The concept of divergent and convergent evolution
• Building a sustainable environment
• Development of environment-friendly cities
• How to control population growth?
• Why have recycling resources become so essential in the modern world?
• The effect of plastic on the environment
• What are the global consequences of deforestation?
• What can we expect when losing biodiversity?
• Ecological damage: How to prevent it?
• How can GMO products affect ecology?
• Cloning endangered or extinct species: Is it a good idea?
• Is climate change the main reason for disrupting ecology?

15 Plant Pathology Biology Research Topics

Many factors impact human health and the quality of food products matters. These easy biology research topics will be useful if you want to describe the connection between those two concepts.

• How do plants protect themselves from diseases?
• How to increase the plant’s resistance to diseases?
• Diseases distribution among plants
• The banana pandemic
• How do herbicides influence plants?
• Corn blight
• Can any plant diseases affect humans?
• The issue of stem rust and its impact on wheat
• What approaches are used to struggle against invasive plants and affected weeds?
• Fertilizers: their pros and cons on plants
• Plant disease genetics: its system and structure
• What is the connection between ecological changes and plant diseases?
• Modifications on food production because of plant diseases
• How do fungal and viral diseases appear in plants?
• The sweet potato virus

15 Animals Biology Research Topics

It’s hard to find someone who doesn’t like animals. If you are curious about animals scientifically, here you are with biology research paper topics in this field.

• Classification of animals
• Land-based life: its evolution history
• Controversies about keeping animals as pets
• Is it ethical to test drugs and products on animals?
• Why do nature reserves against zoos?
• Evidence on prehistoric aquatic animals growing giant
• What species of animals are vegan?
• Animals and their social behavior
• Primate behavior
• How intelligent can other primates be?
• Are wolves and dogs intelligent?
• Domesticating animals
• Hibernation in animals
• Why animals migrate
• Should we bring back extinct animals?

15 Marine Biology Research Topics

The marine theme is engaging as it reveals so many interesting facts about life forms dwelling under the water. You can make your paper look captivating using biology topics in marine below.

• How acidification affects aquatic environments
• Evolution in the deep sea
• What’s the meaning of camouflage mechanism in sea life?
• Consequences of oil spills on marine life
• Oldest marine species
• How do whales communicate with each other?
• How blind fish navigate
• Are marine shows and aquariums ethical?
• The biology and life cycle of seabirds
• How jellyfish are immortal
• Plankton ecology
• Difference between freshwater and seawater marine life
• Coral reefs: their importance and evolution
• Saving and restoring coral reefs
• Life in the deep-sea ocean trenches

15 Zoology Research Topics

Zoology can be an excellent choice to write about if you are close to animal studies. Look at biology topics to research and choose the one that fits your interest most.

• Asian elephants and human speech patterns
• Oyster genomes and adaptation
• Darwin’s work in the Galápagos Islands
• Asian carp: Invasive species analysis
• Giant squids: Fact vs. fiction
• Coyote and wolf hybrid species in the United States
• Parasites and disease
• Migration patterns of killer bees
• The treatment of species in Melville’s Moby Dick
• Biodiversity and plankton
• The role of camels and the development of Africa and the Middle East
• Muskellunge and adaptive creek mechanisms to small water
• Ants and cooperative behavior among species
• Animal communication and the origin of language
• Speech in African Gray Parrots

15 Genetics Research Topics

Writing about modifications caused on the gene level is pretty challenging but very fascinating. You can select one among the biological questions for research and bring up a meaningful paper.

• Genetics and its role in cancer studies
• Can genetic code be confidential?
• Is it possible to choose the sex of a person before birth?
• Genetics as a ray of hope for children with an intellectual disability
• What factors in human genetics affect behavior?
• Is it somehow possible to improve human personality through genetics?
• Are there any living cells in the gene?
• Fighting HIV with gene mutations
• Genetic mutations
• How addictive substances affect genes
• Genetic testing: is it necessary?
• Cloning: positive or negative outcome for future generations
• Pros and cons of genetic engineering
• Is the world ready for the bioethics revolution?
• The linkage between genetics and obesity

15 Biotechnology Research Topics

The way scientists conduct research today is magnificent. Implementing high-tech innovations in biology research brings new opportunities to study the world. What are these opportunities? Explore biotechnology research topics for college students and disclose the best options for you.

• Biotechnology used in plant research
• What is the contribution of biotechnology to food?
• Pharmacogenetics: What is it, and how it works?
• How are anti-cancer drugs produced to be effective?
• Nanotechnology in DNA: How to isolate it?
• Recent nanotechnology used in HIV treatment
• What biotech apps are used to detect foodborne pathogens in food systems?
• Genotypes research: Why are they tolerant and sensitive to heavy metal?
• High-tech solutions in diagnosing cancer
• Forensic DNA and its latest developments
• Metabolic changes at the level of cells
• Nanotechnology in improving treatments for respiratory viruses
• The latest biotech discoveries
• Digital evolution: bioresearch and its transformation
• The concept of vaccine development

15 Evolutionary Biology Research Topics

Knowing how life forms started their existence is fundamental. And more interesting is to look through the evolution of many processes. If you find this trend of research more engaging, we outlined evolutionary biology research paper topics to diversify your choice.

• Darwin’s concept’s impact on science
• The evolution concept by Lamarck
• Origins of the evolutionary theory
• Evolution acceptance: a belief vs. a theory?
• Evolutionary in microbiology
• Development of robotics
• Revealing differences: human brain & animal brain
• Preservation of biological resources
• Transformations in aging
• Adaptive genetic system
• Morphometrics’ history
• Developmental theory and population genomics
• Bacteria ecology’s evolution
• Biological changes: impact and evolution
• Infectious diseases and their profession

The world of science and biology is vast, making research tedious. Use our list of interesting biology research topics to choose the best issue to write your own paper.

However, it is still hard to prepare a high-quality biology research paper, even with a brilliant topic. Not all college students can do it. Do you feel like you need some help? Then buy biology paper from our professional writers! Our experts will choose the best biology experimental research topics for you and can bring up top-level papers within the shortest time. Additionally, if you need help with a statistics project related to biology, our team of experienced professionals is equipped to provide you with the utmost quality of research and analysis.

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How to Write a Research Paper in APA and MLA Format

Updated 02 Sep 2024

Properly formatting a research paper in APA or MLA style is essential for several reasons. First, it ensures that your work adheres to the academic standards required by your institution, making your paper look professional and credible. For instance, an APA style paper outlines essential components and formatting guidelines, such as the title page, abstract, introduction, methods, results, discussion, and references, which are crucial for a professional and academically compliant presentation. Consistency in formatting helps readers easily navigate through your paper, understand the structure, and locate references.

Additionally, proper formatting demonstrates your attention to detail and respect for scholarly practices, which is crucial in academic writing. Whether using APA’s emphasis on author-date citation or MLA’s focus on page numbers for literary analysis, following the correct format enhances the clarity and authority of your research. Finally, it helps avoid plagiarism by ensuring that all sources are correctly cited, giving proper credit to the original authors and contributing to the integrity of your work. Additionally, it is crucial to format references correctly to ensure that all sources are properly cited and easily accessible to readers.

What is APA Formatting?

The APA style is a special format used in academic, business, and research writing for documentation of sources and publishing purposes. A research paper in APA format that you create must be presented in the latest 7th edition unless specified otherwise. Created by the American Psychological Association, hence the abbreviation, the latest manual is what we are going to reference in our APA guidelines to avoid confusion. It means that if your college professor asks for APA 7th edition, you are in the right place!

Published in October 2019, the latest edition of the writing style manual follows most rules that have been published before with a focus on simplification and readiness for publishing purposes. Speaking of research paper writing, the majority of students that use APA style format are majoring in subjects like Psychology, Sociology, Journalism, Education, Anthropology, Law, and Healthcare. Since it's relatively simple compared to Chicago, Harvard, or Turabian, it’s not hard to learn the basic rules as long as you remember the following:

There are in-text citations that you must use to provide a reference to a source mentioned in your text. The information that is required includes the author's name and the date of publication. You should also provide the page number or a section in the newspaper if such data is available.

There is a page called " References " that is placed at the end of your paper after your final conclusion part. This is exactly where you provide information (references) that list all of your sources that have been implemented in your research paper.

When to Cite a Source in APA Format?

This question often comes up. The answer is quite simple: when you need to summarize some data, paraphrase information you discover, or quote something from another source. These citations may include it all from books in print, scientific journals, online books, articles in a newspaper, reports, surveys, statistical data, and so on. When you use a reference, the APA 7th style format requires mentioning the name of the author and the year of publication that will look this way for a single author:

(Jones, 2005)

It means that you are dealing with an author with the last name Jones and something that has been published in 2005. Alternatively, your in-text citation can look this way:

Another important notion has been explained by the concept of mutual co-existence. According to Jones (2005), who believed that authoritarian leaders can exist in peace and mutual respect, we can conclude that...

What is the APA References Page?

We are certain that you have seen at least one references page before as you were looking through the final part of a research article online. The References page must list all of your sources alphabetically and may include up to 20 entries for a middle-sized research assignment. A typical APA example coming from a research journal looks this way:

Berry, B., Stipe, J. M., Wahlberg, R., and Zeldman, A. S. (2021). Social Interactions in Georgia State: A an overview of American South. Journal of Social Psychology , 34, 123-136.

As you can see, we have listed the authors alphabetically and mentioned the year of publication that is followed by the name of the scientific article. The name of the journal is given in italics to specify the importance of the source. It is followed by the journal’s volume and the number of pages that have been referenced.

Note: Remember that far not all sources and references that you may encounter are suitable for a research paper. EduBirdie experts recommend talking to your course instructor first and checking things twice regarding additional requirements and formatting. Our guide will provide you with the basic instructions on how to set things up to help your research paper meet the formatting standards.

APA Page Layout Disclaimer

Before you learn how to write a research paper in APA format by turning to various sections of our guide, it must be mentioned that using a Word processor or Google Docs as your writing source, it is essential to create a special page layout and the relevant headers that will be mentioned in our APA guide. While you can find online templates in APA format, these are not always accurate, which is why you must check things twice by focusing on fonts, headers, margins, indents, and other important aspects!

Writing a Research Paper in APA Style Format: General Requirements

1. Page Layout Rules

We'll start with the page layout that must be there all the time as this part of the APA 7th edition remains the same for all papers that you may encounter as a college student. Here is what you must do as you learn how to format a research paper:

Creating a document in MS Word or any other word processor of your choice, set your page margins to 1 inch on all sides of the page.

Your text must be double-spaced, including APA headings.

The APA 7th edition uses indents of the first line in every paragraph by 0.5 inches. Just press your TAB key once.

The recommended fonts for APA style format include Times New Roman (12 pt.), Arial (11 pt.), or Georgia (11 pt.). In certain cases, other fonts may be used, yet do so only after consulting your academic advisor.

Page numbers are included on every page of your document in the top right corner unless specified otherwise.

2 . Page Headers in APA 7th Edition

According to the manual, you must set your page header correctly. Every APA format research paper must provide headings that are written in upper case. Setting up your header, you must:

Click on the "Insert" tab in the MS Word toolbar.

Choose Header & Footer tab, click on Header and Blank.

The first (title) page of your APA research paper must include the left margin positioning where you type: MY RESEARCH PAPER TITLE. Of course, it's only an example and must be replaced by your actual title.

Tab once or twice to the right margin now.

Close your Header & Footer tab.

3. Page Numbering

Speaking of page numbering, use the default feature in MS Word or any other software to do so automatically. The page numbers must be placed in the top right corner and be present on all pages, including your references page. The title page in APA 7th edition should start from page number 1.

4. APA Title Page

Your title page in APA must start with the title of your paper, the name of the student or authors of the research project, and the institutional affiliation. All the lines must be centered and start in the middle of the title page. In addition to that, you must include your course number, instructor's name, and the due date of your research paper. It will look this way: 

The General Electrics Sample Title Page: 

Following the Engineering Principles of Electrical Circuit 

Department of Engineering, Georgia State University

ENGN 222: Electrical Engineering

Dr. Michael John Stipe

October 11, 2008

5. Table of Contents

A table of contents is only necessary if you are writing a thesis paper or working on a dissertation. This section must be placed between your abstract part and the introduction. Use the same font and size as the rest of your content. The text starts at the top of your page with the word "Contents". Every entry must be centered and in bold font. 

The outline in APA format follows the same rules and can be delivered as a separate document in most cases. The page margins remain the same with the page numbering starting from page one. The structure of a page (usually one page only) should include an introduction that mentions the main background points and your thesis, the main body with the elements that support your research thesis statement, and a short conclusion that makes your final take on things or your position clear.

Note : There are no headers or anything specific for an outline. You may copy the main paper's header by adding the word "OUTLINE". 

7. Abstract

Your abstract must appear on a separate page after your research paper's title page. It means that it should be numbered as page 2. Write "Abstract" in bold title case and center it at the top of your page. The abstract itself comes as the next paragraph with the 0.5 inches indent. The length of your abstract should be no longer than 250 words. You may write it down in a single paragraph or use a different kind of structure.

As you write, focus on the requirements that you want to achieve scientifically, consider your target audience as you explain your methodology and the problem that you are planning to explore. Describe your results and provide a brief conclusion to your work exactly as it would be done in a book’s review.

8. Body Parts

It does not matter if you are working on an essay or a complex research paper, APA style format does not mention any specific rules that must be used. Therefore, you should refer to your paper type. The majority of research papers should include an introduction with the list of research objectives (see research paper introduction example ), three to five body paragraphs that explain and support your arguments, and the conclusion part where you sum things up.

The body parts should start with the most important argument that speaks of your thesis and provides analytical information.

The second paragraph of the body in the APA research paper should implement statistical data, which is also considered as a reference. This is where you can use citations and refer to certain publications. Such an approach will help you to avoid plagiarism risks.

The last paragraph should provide alternative opinions and provide counter-arguments where additional citations, graphics, and multimedia sources can be added.

9. Conclusion

The APA manual mentions that your conclusion part should not use any citation elements in the final section and avoid introducing any new ideas. Keep this fact in mind and make sure that you leave suggestions and an overall review of your research paper.

Note: If you have any additional information that you refer to in your previous paragraphs, certain recommendations can be added as a research paper appendix section after your references page, yet always ask your academic advisor to ensure that it is applicable.

10. References Page

Start your References page by placing the word "References" at the top of the document’s layout. It must be centered and placed one inch down. Do not use capitalization, bold fonts, or italics.

All of your citations (references) must be double spaced and should have no additional lines in between.

If your reference goes past the first line, create a hanging indent by using tabulation.

Your references in APA 7th edition style are placed in alphabetical order.

If your reference does not start with the author, these are placed at the start of your paper, according to ABC.

The Writing Guides to Follow in APA 7th Citation Style

Basic citation rules in apa.

Let us imagine a situation when you need to cite a book in print for your research paper in APA style format. It will require the following information:

Author or authors of the book. The surname is always followed by the person’s initials.

The Year of publication of the book comes next in round brackets.

The book title is always placed in italics. Only the first letter of the first word in titles should be capitalized.

Edition (if available) also comes in round brackets. If the book represents the first edition, this part is not necessary.

DOI. It is necessary to include it (if available) for both online and print versions.

The second line of your citation in a References page must be indented per about 5 spaces.

For example:

Fisher, J.V. (2006). Teenage Violence: How do video games affect the modern youth? . Penguin Books.

For a journal article citation, provide the following information:

Author or authors of the article. The surname is always followed by the person’s initials.

The year of publication of the journal comes next in round brackets.

Journal title must be in italics.

Provide volume of journal (in italics).

Add an issue number of a journal in round brackets (no italics are necessary here).

Page range of article (if available).

Provide DOI or URL

Braxton, T. (2005). Asian Cuisine: A study of health benefits. Modern Health Care, 11(4), 34-36. https://doi.org/

Abbreviations

The rule of abbreviations in a research paper states that there should be at least three times when a certain abbreviation is used. If your abbreviation is only met once, it’s necessary to provide a complete spelling of your phrase each time you implement it for your assignment. When using APA style for research purposes, the use of abbreviation within headings is not necessary. Remember to provide a full term the first time you use an abbreviation by adding the abbreviated form in parentheses. APA 7th edition manual states that these must be used only when they help to provide a better kind of communication with your target audience.

The Use of Numbers & Punctuation

Turning to the latest APA style format manual, we can learn that one must use numerals to express numbers going from ten and above as numbers (12, 34, 721, and so on). When you have to use numbers up to ten, these are written in words such as "three positions", "two authors", "seven Chinese brothers", etc.

The rules also state that one must use commas between certain groups of three digits as you work with the figures. For example:

As over 2,000 people have participated in a meeting... 

Speaking of punctuation rules, the use of commas, periods, question marks, and exclamation cases must be put inside your quote marks. As for the rest of the punctuation marks, they go beyond your quotation.

Note: When you are planning to use a direct quote that is more than forty words, the block quotations are used with the indent.

Graphics & Multimedia in APA

Looking through the modern research paper APA format example, you will notice that there are frequent multimedia examples with the use of graphics. The use of graphics is permissible. Further research could explore the impact of multimedia on the readability of research papers.

If you are planning to use artwork from a museum in an online form, it looks this way:

Artist Last Name, First Initial. Second Initial. (Year). Title of the artwork [Format]. Location. URL

If there is a stock image:

Author. (Year). Title of image [format]. Website. URL

An image with no author or date would be resolved to this:

[Subject and type of work]. (n.d.). Your image’s URL.

Tips On How to Write a Research Paper in APA Format

Composing APA style research paper correctly, you must understand that such type of writing is not the same thing as the term paper or a simple essay that you do for college. It's not the same as a reflection paper either. You must provide research findings. It means that you should provide your writer's voice but do so in a limited way by focusing on methodology and an explanation of what you discover. Depending on your requirements and the grading rubric, you may have to provide 2-3 citations per page of your research as a way to support your arguments and reference at least one important publication that is dealing with your subject.

As you compose your research paper in the APA style format, make sure that you follow these simple academic writing tips:

Research tone must be present. It means that your research paper should not use the first person unless asked to. The general APA writing style manual recommends using "This study has been conducted by" phrases instead.

It’s recommended to avoid any personal information where you describe your experience. Don’t make the paper sound like a personal statement piece of writing. Your research assignment must synthesize various publications by comparing, contrasting, and finding similarities as you write.

APA 7th style manual asks to use the past tense, which means that you should say that your research paper has shown instead of using " shows ". There may be certain exceptions if you are turning to a certain timeline.

The use of contractions must be limited. It means that you should say " It does not result in " instead of " it doesn't result in ".

Your writing should stay honest and clear without specific bias. Your purpose is to research things without racial, sexual, religious, or gender discrimination.

The use of sources must be implemented correctly without turning your paper into a collection of sources.

Following these simple rules, you will be able to stay within the basic guidelines and follow the rules of APA-style writing. As always, there may be exceptions to every rule, which is why you must talk to your instructor in case of any doubts. Your college or university will always have a final say.

APA Style Format Bias-Free Language Matters

Writing a paper in APA format, one must remember the rules of bias-free language that are also mentioned in the APA 7th manual for research writing. The purpose is to use gender-neutral pronouns and strive for the avoidance of prejudicial beliefs or specific demeaning aspects that may appear as a negative attitude in your research writing. Therefore, when dealing with a sensitive subject, proofread your text twice and talk to your academic advisor before submitting your work. It will help us all create sincere and bias-free research works that follow the rules of mutual respect, multiculturalism, and democracy.

What is MLA Formatting? 

MLA stands for Modern Language Association and is currently in its 9th edition , which has been published in 2021. In simple terms, MLA style formatting is a special system of referencing and structuring research papers. The main purpose is to cite sources correctly and keep your research writing always accurate. By learning how to write a research paper in MLA format, you will be able to submit your college homework according to specified rules and will avoid confusion. You will also learn how to format and structure the list of bibliography references for a research or essay paper by using the Works Cited page. It is another essential aspect of MLA style format. It is also essential to format references correctly to ensure that all sources are properly cited and easily accessible to readers.

MLA style format aims to help your college professor and the target audience to navigate through your paper by turning to various in-text citations with an opportunity to see where information has been taken. Since MLA has specific standards, your academic advisor will check whether you have followed the rules and used the same format, font sizes, headers, and other aspects that make research writing universal.

What is MLA format then? The MLA style is mostly used by college students majoring in English, Literature, social sciences, arts, and humanities. One can assume that MLA style format is one of the most accessible writing standards, which is why it is often required during an introductory course where students learn how to structure their papers and keep information properly referenced.

When you are looking for reliable sources online, it will be easy to recognize the use of MLA format because of the famous MLA header that is always included on the first page where you must mention your full name, instructor’s name, your course, and the date. It is also necessary to use page formatting with your last name on each page, which also helps to determine that an MLA format has been used. We shall discuss this aspect further on as you proceed with our guide.

MLA Research Paper Format: General Guidelines 

If you are already familiar with at least one other academic writing format, you will already know the basics and it will be easier for you to process the information in MLA style. The majority of formats of research paper writing stand for the general rules on how to structure your page layout and a list of rules regarding correct citation. The most important is to start with the MLA header, which will look this way:

Adam Greeley

Professor Smith

Humanities 7311

14 May 2022

This header is always placed at the top left corner of the first page (no title page is required in most cases!) with the page number and your name aligned to the top right of the page. It will look this way:

The other rules on how to write a MLA research paper include:

The recommended fonts include Times New Roman, Arial, or Verdana in 12 pt size.

All the margins of the page in MS Word or a similar processor should be set at 1 inch.

The main content is double-spaced unless specified otherwise.

The MLA header is included only on the first page of your research paper.

The title of your work must be centered.

Every new research paper paragraph should have a hanging indent.

The MLA style uses the author-page citation pattern where you should list the author’s last name with the page number.

The Bibliography page has the “Works Cited” title at the top and center of the first page with your citations.

The sources are listed alphabetically.

Do not place a period after the title or headers.

Do not underline words unless it’s necessary.

Additionally, it is crucial to format references correctly to ensure that all sources are properly cited and easily accessible to readers.

It is recommended to use the rules of inclusive language, according to the latest manual edition of the MLA style. It means that you must avoid certain terms that focus on ethnic peculiarities, religion, gender, disability, age, or social challenges unless it is absolutely necessary. You can also use words like “human-made” to specify gender-neutral aspects.

MLA Research Paper Structure: Essential Parts

One of the most important parts of writing a research paper successfully is following the correct structure that is specified by the chosen writing style. Here are the MLA research paper format parts that you should consider:

Furthermore, it is essential to format references correctly to ensure that all sources are properly cited and easily accessible to readers.

It should have your university's name on top of the page, then the title of your research paper at the center of the page, and at the bottom of the page: your name, course name, professor's name, and the paper's due date (all centered).

Section Headings

The main heading should include your name, instructor's name, relevant class information, and the paper's delivery date.

The other MLA page headings:

First Level Heading.

Your text 

Second Level Heading.

Third Level Heading 

Fourth Level Heading

Fifth Level Heading 

Research Paper Outline

Title of the page (centered)

1. Introduction

Talk about the importance of your subject. 

An interesting topic sentence.

2. Thesis Statement

3. Body Paragraphs

Methodology. 

Research Justification. 

Research Findings.

4. Research Discussion

5. Conclusion

Thesis explanation. 

Introduction & Thesis

Talk about the importance of your research and use a strong thesis statement. Research paper MLA style guidebook recommends allocating about 10% of your final word count to this part.

This is where you must use in-text citations to support your arguments. Always introduce the subject that you want to explore, make a claim, and use citing only then to make it suitable.

In-text Citations

The classic in-text citation will look this way:

According to Darren Smith, “certain peculiarities have been noticed in Shakespeare’s perception of time and death” (9).

The majority of references to youth and the fragility help to understand how age has been limited by social circumstances (Smith 11).

Works Cited Page.

If you already know how to format your Bibliography, it is essential to look for complete information and provide as much as you can. If you are citing from a poetry book or an analysis paper that has been published:

Last Name, First Name of the author. “Title of your research paper.” Title of Collection , edited by Editor’s Name(s), Publisher, Year, page range of the data you have used.

Research paper MLA style Works Cited page example:

Stanley, Lace. “Shakespeare’s Psychology.” The Collected Classic English Poems, edited by John Langsley, Penguin Books, 2006, p.26. Only the first letter of the first word of both the chapter title and the book title should be capitalized.

Citing something from Jstor scientific database:

Author’s Last Name, First Name. “Title.” Title of Scientific Journal , vol. Volume, no. Issue, Month Year of publication, pp. Pages, https://doi.org/DOI , or any relevant identifier.

Enciso, Patricia, et al. “Children’s Literature: Standing in the Shadow of Adults.” Reading Research Quarterly , vol. 45, no. 2, 2010, pp. 252–63. JSTOR , http://www.jstor.org/stable/20697185 . Accessed 20 Jun. 2022.

Regardless of whether you are using MLA format or would like to learn how to use different styles, your research paper should have an introduction, a review of the literature that you have used, the methodology that has been chosen, the results of your research, and a discussion of the findings, or you can simply pay someone to write my paper. You may also be limited by an introduction with a thesis statement, body parts with the arguments, and the conclusion part where you talk about the findings. It will always depend on your subject and research paper type.

Research Paper in MLA Format Writing Tips

Contrary to the popular belief, research paper writing in MLA format is not too difficult if you know the basic rules. If you plan to learn how to write a research paper in APA format, you will feel even more confident because you will be able to differentiate the styles. As a way to help you with your research writing, we have collected these simple MLA formatting for research paper tips:

Always start with the sources and check for Bibliography pages that may be included.

Use only verified sources and look for databases like Google Scholar, Jstor, PubMed, etc.

Always introduce your subject and talk about its importance.

Do not overuse citations in your research paper.

Correct Research Paper Formatting Helps to Avoid Plagiarism

Numerous college students often ask about the purpose of correct research formatting, be it MLA, APA, Chicago, or any other format. Formatting a research paper in MLA and APA formats can be time-consuming and intricate, leading many students to seek professionals who write essays for money to ensure their papers meet all formatting guidelines and academic standards. In addition to structuring things according to academic standards, the most important aspect of staying accurate as you research is to provide correct structure and citations if you use any external sources. It will help you to prepare your writing for publishing purposes and let you avoid plagiarism issues. It is the main purpose of correct research paper formatting. Moreover, it is essential to format references correctly to ensure that all sources are properly cited and easily accessible to readers. This guide contains the main rules that provide a checklist that will help you stay safe and follow all the essential rules.

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Written by Steven Robinson

Steven Robinson is an academic writing expert with a degree in English literature. His expertise, patient approach, and support empower students to express ideas clearly. On EduBirdie's blog, he provides valuable writing guides on essays, research papers, and other intriguing topics. Enjoys chess in free time.

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