How To Begin A Science Research Paper

Key Info

  • As you do your research, follow your background research plan and take notes from your sources of information. These notes will help you write a better summary.

  • The purpose of your research paper is to give you the information to understand why your experiment turns out the way it does. The research paper should include:

    • The history of similar experiments or inventions
    • Definitions of all important words and concepts that describe your experiment
    • Answers to all your background research plan questions
    • Mathematical formulas, if any, that you will need to describe the results of your experiment

  • For every fact or picture in your research paper you should follow it with a citation telling the reader where you found the information. A citation is just the name of the author and the date of the publication placed in parentheses like this: (Author, date). This is called a reference citation when using APA format and parenthetical reference when using the MLA format. Its purpose is to document a source briefly, clearly, and accurately.

  • If you copy text from one of your sources, then place it in quotation marks in addition to following it with a citation. Be sure you understand and avoid plagiarism! Do not copy another person's work and call it your own. Always give credit where credit is due!

  • Most teachers want a research paper to have these sections, in order:

    • Title page (with the title of your project, your name, and the date)
    • Your report
    • Bibliography
    • Check with your teacher for additional requirements such as page numbers and a table of contents

Overview

Year after year, students find that the report called the research paper is the part of the science fair project where they learn the most. So, take it from those who preceded you, the research paper you are preparing to write is super valuable.

What Is a Research Paper?

The short answer is that the research paper is a report summarizing the answers to the research questions you generated in your background research plan. It's a review of the relevant publications (books, magazines, websites) discussing the topic you want to investigate.

The long answer is that the research paper summarizes the theory behind your experiment. Science fair judges like to see that you understand why your experiment turns out the way it does. You do library and Internet research so that you can make a prediction of what will occur in your experiment, and then whether that prediction is right or wrong, you will have the knowledge to understand what caused the behavior you observed.

From a practical perspective, the research paper also discusses the techniques and equipment that are appropriate for investigating your topic. Some methods and techniques are more reliable because they have been used many times. Can you use a procedure for your science fair project that is similar to an experiment that has been done before? If you can obtain this information, your project will be more successful. As they say, you don't want to reinvent the wheel!

If these reasons sound to you like the reasons we gave for doing background research, you're right! The research paper is simply the "write-up" of that research.

Special Information to Include in Your Research Paper

Many science experiments can be explained using mathematics. As you write your research paper, you'll want to make sure that you include as much relevant math as you understand. If a simple equation describes aspects of your science fair project, include it.

Writing the Research Paper

Note Taking

As you read the information in your bibliography, you'll want to take notes. Some teachers recommend taking notes on note cards. Each card contains the source at the top, with key points listed or quoted underneath. Others prefer typing notes directly into a word processor. No matter how you take notes, be sure to keep track of the sources for all your key facts.

How to Organize Your Research Paper

The best way to speed your writing is to do a little planning. Before starting to write, think about the best order to discuss the major sections of your report. Generally, you will want to begin with your science fair project question so that the reader will know the purpose of your paper. What should come next? Ask yourself what information the reader needs to learn first in order to understand the rest of the paper. A typical organization might look like this:

  • Your science fair project question or topic
  • Definitions of all important words, concepts, and equations that describe your experiment
  • The history of similar experiments
  • Answers to your background research questions

When and How to Footnote or Reference Sources

When you write your research paper you might want to copy words, pictures, diagrams, or ideas from one of your sources. It is OK to copy such information as long as you reference it with a citation. If the information is a phrase, sentence, or paragraph, then you should also put it in quotation marks. A citation and quotation marks tell the reader who actually wrote the information.

For a science fair project, a reference citation (also known as author-date citation) is an accepted way to reference information you copy. Citation referencing is easy. Simply put the author's last name, the year of publication, and page number (if needed) in parentheses after the information you copy. Place the reference citation at the end of the sentence but before the final period.

Make sure that the source for every citation item copied appears in your bibliography.

Reference Citation Format

Type of Citation Parenthetical Reference
MLA Format (Author - page)
Reference Citation
APA Format (Author - date)*
Work by a single author(Bloggs 37) (Bloggs, 2002)
Direct quote of work by single author (Bloggs 37) (Bloggs, 2002, p. 37)
Work by two authors (Bloggs and Smith 37) (Bloggs & Smith, 2002)
Work by three to five authors
(first time)
(Kernis, Cornell, Sun, Berry, and Harlow 183-185) (Kernis, Cornell, Sun, Berry, & Harlow, 1993)
Work by three to five authors
(subsequent times)
(Kernis et al., 1993)
Work by six or more author (Harris et al. 99) (Harris et al., 2001)
Two or more works by the same author in the same year (use lower-case letters to order the entries in bibliography) (Berndt, 1981a)
(Berndt, 1981b)
Two or more works by the same author (Berndt, Shortened First Book Title 221) then
(Berndt, Shortened 2nd Book Title 68)
Two or more works in the same parentheses (Berndt 221; Harlow 99) (Berndt, 2002; Harlow, 1983)
Authors with same last name (E. Johnson 99) (E. Johnson, 2001; L. Johnson, 1998)
Work does not have an author, cite the source by its title (Book Title 44) or
(Shortened Book Title 44)
(Book Title, 2005) or
("Article Title", 2004)
Work has unknown author and date ("Article Title", n.d.)
* APA Note: If you are directly quoting from a work, you will need to include the author, year of publication, and the page number for the reference (preceded by "p.").

Examples of Reference Citations using APA Format

Below are examples of how reference citations would look in your paper using the APA format.

"If you copy a sentence from a book or magazine article by a single author, the reference will look like this. A comma separates the page number (or numbers) from the year" (Bloggs, 2002, p. 37).

"If you copy a sentence from a book or magazine article by more than one author, the reference will look like this" (Bloggs & Smith, 2002, p. 37).

"Sometimes the author will have two publications in your bibliography for just one year. In that case, the first publication would have an 'a' after the publication year, the second a 'b', and so on. The reference will look like this" (Nguyen, 2000b).

"When the author is unknown, the text reference for such an entry may substitute the title, or a shortened version of the title for the author" (The Chicago Manual, 1993).

"For reference citations, only direct quotes need page numbers" (Han, 1995).

"Some sources will not have dates" (Blecker, n.d.).

Credit Where Credit Is Due!

When you work hard to write something, you don't want your friends to loaf and just copy it. Every author feels the same way.

Plagiarism is when someone copies the words, pictures, diagrams, or ideas of someone else and presents them as his or her own. When you find information in a book, on the Internet, or from some other source, you MUST give the author of that information credit in a citation. If you copy a sentence or paragraph exactly, you should also use quotation marks around the text.

The surprising thing to many students is how easy it is for parents, teachers, and science fair judges to detect and prove plagiarism. So, don't go there, and don't make us try to hunt you down!

Research Paper Checklist

What Makes a Good Research Paper?For a Good Research Paper, You Should Answer "Yes" to Every Question
Have you defined all important terms?Yes / No
Have you clearly answered all your research questions?Yes / No
Does your background research enable you to make a prediction of what will occur in your experiment? Will you have the knowledge to understand what causes the behavior you observe?Yes / No
Have you included all the relevant math that you understand?Yes / No
Have you referenced all information copied from another source and put any phrases, sentences, or paragraphs you copied in quotation marks?Yes / No
If you are doing an engineering or programming project, have you defined your target user and answered questions about user needs, products that meet similar needs, design criteria, and important design tradeoffs?Yes / No
ECO 101

Scientific Writing Made Easy: A Step-by-Step Guide to Undergraduate Writing in the Biological Sciences

Authors

  • Sheela P. Turbek,

    1. Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Boulder, Colorado, USA
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  • Taylor M. Chock,

    1. Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Boulder, Colorado, USA
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  • Kyle Donahue,

    1. Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Boulder, Colorado, USA
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  • Caroline A. Havrilla,

    1. Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Boulder, Colorado, USA
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  • Angela M. Oliverio,

    1. Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Boulder, Colorado, USA
    2. Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, Colorado, USA
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  • Stephanie K. Polutchko,

    1. Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Boulder, Colorado, USA
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  • Lauren G. Shoemaker,

    1. Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Boulder, Colorado, USA
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  • Lara Vimercati

    1. Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Boulder, Colorado, USA
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  • Note: Charlene D'Avanzo is the editor of Ecology 101. Anyone wishing to contribute articles or reviews to this section should contact her at the School of Natural Sciences, Hampshire College, 893 West Street, Amherst, MA 01002. E-mail: cdavanzo@hampshire.edu

Abstract

Scientific writing, while an indispensable step of the scientific process, is often overlooked in undergraduate courses in favor of maximizing class time devoted to scientific concepts. However, the ability to effectively communicate research findings is crucial for success in the biological sciences. Graduate students are encouraged to publish early and often, and professional scientists are generally evaluated by the quantity of articles published and the number of citations those articles receive. It is therefore important that undergraduate students receive a solid foundation in scientific writing early in their academic careers. In order to increase the emphasis on effective writing in the classroom, we assembled a succinct step-by-Step guide to scientific writing that can be directly disseminated to undergraduates enrolled in biological science courses. The guide breaks down the scientific writing process into easily digestible pieces, providing concrete examples that students can refer to when preparing a scientific manuscript or laboratory report. By increasing undergraduate exposure to the scientific writing process, we hope to better prepare undergraduates for graduate school and productive careers in the biological sciences.

An introduction to the guide

While writing is a critical part of the scientific process, it is often taught secondarily to scientific concepts and becomes an afterthought to students. How many students can you recall who worked on a laboratory assignment or class project for weeks, only to throw together the written report the day before it was due?

For many, this pattern occurs because we focus almost exclusively on the scientific process, all but neglecting the scientific writing process. Scientific writing is often a difficult and arduous task for many students. It follows a different format and deviates in structure from how we were initially taught to write, or even how we currently write for English, history, or social science classes. This can make the scientific writing process appear overwhelming, especially when presented with new, complex content. However, effective writing can deepen understanding of the topic at hand by compelling the writer to present a coherent and logical story that is supported by previous research and new results.

Clear scientific writing generally follows a specific format with key sections: an introduction to a particular topic, hypotheses to be tested, a description of methods, key results, and finally, a discussion that ties these results to our broader knowledge of the topic (Day and Gastel 2012). This general format is inherent in most scientific writing and facilitates the transfer of information from author to reader if a few guidelines are followed.

Here, we present a succinct step-by-step guide that lays out strategies for effective scientific writing with the intention that the guide be disseminated to undergraduate students to increase the focus on the writing process in the college classroom. While we recognize that there are no hard and fast rules when it comes to scientific writing, and more experienced writers may choose to disregard our suggestions these guidelines will assist undergraduates in overcoming the initial challenges associated with writing scientific papers. This guide was inspired by Joshua Schimel's Writing Science: How to Write Papers that Get Cited and Proposals that Get Funded—an excellent book about scientific writing for graduate students and professional scientists—but designed to address undergraduate students. While the guide was written by a group of ecologists and evolutionary biologists, the strategies and suggestions presented here are applicable across the biological sciences and other scientific disciplines. Regardless of the specific course being taught, this guide can be used as a reference when writing scientific papers, independent research projects, and laboratory reports. For students looking for more in-depth advice, additional resources are listed at the end of the guide.

To illustrate points regarding each step of the scientific writing process, we draw examples throughout the guide from Kilner et al. (2004), a paper on brown-headed cowbirds—a species of bird that lays its eggs in the nests of other bird species, or hosts—that was published in the journal Science. Kilner et al. investigate why cowbird nestlings tolerate the company of host offspring during development rather than pushing host eggs out of the nest upon hatching to monopolize parental resources. While articles in the journal Science are especially concise and lack the divisions of a normal scientific paper, Kilner et al. (2004) offers plenty of examples of effective communication strategies that are utilized in scientific writing. We hope that the guidelines that follow, as well as the concrete examples provided, will lead to scientific papers that are information rich, concise, and clear, while simultaneously alleviating frustration and streamlining the writing process.

Undergraduate guide to writing in the biological sciences

The before steps

The scientific writing process can be a daunting and often procrastinated “last step” in the scientific process, leading to cursory attempts to get scientific arguments and results down on paper. However, scientific writing is not an afterthought and should begin well before drafting the first outline. Successful writing starts with researching how your work fits into existing literature, crafting a compelling story, and determining how to best tailor your message to an intended audience.

Research how your work fits into existing literature

It is important to decide how your research compares to other studies of its kind by familiarizing yourself with previous research on the topic. If you are preparing a laboratory write-up, refer to your textbook and laboratory manual for background information. For a research article, perform a thorough literature search on a credible search engine (e.g., Web of Science, Google Scholar). Ask the following questions: What do we know about the topic? What open questions and knowledge do we not yet know? Why is this information important? This will provide critical insight into the structure and style that others have used when writing about the field and communicating ideas on this specific topic. It will also set you up to successfully craft a compelling story, as you will begin writing with precise knowledge of how your work builds on previous research and what sets your research apart from the current published literature.

Understand your audience (and write to them)

In order to write effectively, you must identify your audience and decide what story you want them to learn. While this may seem obvious, writing about science as a narrative is often not done, largely because you were probably taught to remain dispassionate and impartial while communicating scientific findings. The purpose of science writing is not explaining what you did or what you learned, but rather what you want your audience to understand. Start by asking: Who is my audience? What are their goals in reading my writing? What message do I want them to take away from my writing? There are great resources available to help science writers answer these questions (Nisbet 2009, Baron 2010). If you are interested in publishing a scientific paper, academic journal websites also provide clear journal mission statements and submission guidelines for prospective authors. The most effective science writers are familiar with the background of their topic, have a clear story that they want to convey, and effectively craft their message to communicate that story to their audience.

Introduction

The Introduction sets the tone of the paper by providing relevant background information and clearly identifying the problem you plan to address. Think of your Introduction as the beginning of a funnel: Start wide to put your research into a broad context that someone outside of the field would understand, and then narrow the scope until you reach the specific question that you are trying to answer (Fig. 1; Schimel 2012). Clearly state the wider implications of your work for the field of study, or, if relevant, any societal impacts it may have, and provide enough background information that the reader can understand your topic. Perform a thorough sweep of the literature; however, do not parrot everything you find. Background information should only include material that is directly relevant to your research and fits into your story; it does not need to contain an entire history of the field of interest. Remember to include in-text citations in the format of (Author, year published) for each paper that you cite and avoid using the author's name as the subject of the sentence:

“Kilner et al. (2004) found that cowbird nestlings use host offspring to procure more food.”

Instead, use an in-text citation:

“Cowbird nestlings use host offspring to procure more food.”

(Kilner et al. 2004)

Upon narrowing the background information presented to arrive at the specific focus of your research, clearly state the problem that your paper addresses. The problem is also known as the knowledge gap, or a specific area of the literature that contains an unknown question or problem (e.g., it is unclear why cowbird nestlings tolerate host offspring when they must compete with host offspring for food) (refer to the section “Research how your work fits into existing literature”). The knowledge gap tends to be a small piece of a much larger field of study. Explicitly state how your work will contribute to filling that knowledge gap. This is a crucial section of your manuscript; your discussion and conclusion should all be aimed at answering the knowledge gap that you are trying to fill. In addition, the knowledge gap will drive your hypotheses and questions that you design your experiment to answer.

Your hypothesis will often logically follow the identification of the knowledge gap (Table 1). Define the hypotheses you wish to address, state the approach of your experiment, and provide a 1–2 sentence overview of your experimental design, leaving the specific details for the methods section. If your methods are complicated, consider briefly explaining the reasoning behind your choice of experimental design. Here, you may also state your system, study organism, or study site, and provide justification for why you chose this particular system for your research. Is your system, study organism, or site a good representation of a more generalized pattern? Providing a brief outline of your project will allow your Introduction to segue smoothly into your 'Materials and Methods' section.

A hypothesis is a testable explanation of an observed occurrence in nature, or, more specifically, why something you observed is occurring. Hypotheses relate directly to research questions, are written in the present tense, and can be tested through observation or experimentation. Although the terms “hypothesis” and “prediction” are often incorrectly used interchangeably, they refer to different but complementary concepts. A hypothesis attempts to explain the mechanism underlying a pattern, while a prediction states an expectation regarding the results. While challenging to construct, hypotheses provide powerful tools for structuring research, generating specific predictions, and designing experiments.
Example:
Observation: Brown-headed cowbird nestlings refrain from ejecting host offspring from the nest even though those offspring compete for limited parental resources.
Research question: Why do nestling cowbirds tolerate the presence of host offspring in the nest?
Hypothesis: The presence of host offspring causes parents to bring more food to the nest.
Prediction: Cowbird nestlings will grow at a faster rate in nests that contain host offspring.

Materials and Methods

The 'Materials and Methods' section is arguably the most straightforward section to write; you can even begin writing it while performing your experiments to avoid forgetting any details of your experimental design. In order to make your paper as clear as possible, organize this section into subsections with headers for each procedure you describe (e.g., field collection vs. laboratory analysis). We recommend reusing these headers in your Results and Discussion to help orient your readers.

The aim of the 'Materials and Methods' section is to demonstrate that you used scientifically valid methods and provide the reader with enough information to recreate your experiment. In chronological order, clearly state the procedural steps you took, remembering to include the model numbers and specific settings of all equipment used (e.g., centrifuged in Beckman Coulter Benchtop Centrifuge Model Allegra X -15R at 12,000 × g for 45 minutes). In addition to your experimental procedure, describe any statistical analyses that you performed. While the parameters you include in your 'Materials and Methods' section will vary based on your experimental design, we list common ones in Table 2 (Journal of Young Investigators 2005) that are usually mentioned. If you followed a procedure developed from another paper, cite the source that it came from and provide a general description of the method. There is no need to reiterate every detail, unless you deviated from the source and changed a step in your procedure. However, it is important to provide enough information that the reader can follow your methods without referring to the original source. As you explain your experiment step by step, you may be tempted to include qualifiers where sources of error occurred (e.g., the tube was supposed to be centrifuged for 5 minutes, but was actually centrifuged for 10). However, generally wait until the Discussion to mention these subjective qualifiers and avoid discussing them in the 'Materials and Methods' section.

• Site characterization:
Study organism used, its origin, any pre-experiment handling or care
Description of field site or site where experiment was performed
• Experimental design:
Step-by-step procedures in paragraph form
Sample preparation
Experimental controls
Equipment used, including model numbers and year
Important equipment settings (e.g., temperature of incubation, speed of centrifuge)
Amount of reagents used
Specific measurements taken (e.g., wing length, weight of organism)
• Statistical analyses conducted (e.g., ANOVA, linear regression)

The 'Materials and Methods' section should be written in the past tense:

“On hatch day, and every day thereafter for 9 days, we weighed chicks, measured their tibia length, and calculated the instantaneous growth constant K to summarize rates of mass gain and skeletal growth.”

(Kilner et al. 2004)

While it is generally advisable to use active voice throughout the paper (refer to the section “Putting It All Together,” below), you may want to use a mixture of active and passive voice in the 'Materials and Methods' section in order to vary sentence structure and avoid repetitive clauses.

Results

The Results section provides a space to present your key findings in a purely objective manner and lay the foundation for the Discussion section, where those data are subjectively interpreted. Before diving into this section, identify which graphs, tables, and data are absolutely necessary for telling your story. Then, craft a descriptive sentence or two that summarizes each result, referring to corresponding table and figure numbers. Rather than presenting the details all at once, write a short summary about each data set. If you carried out a complicated study, we recommend dividing your results into multiple sections with clear headers following the sequence laid out in the 'Materials and Methods' section.

As you relate each finding, be as specific as possible and describe your data biologically rather than through the lens of statistics. While statistical tests give your data credibility by allowing you to attribute observed differences to nonrandom variation, they fail to address the actual meaning of the data. Instead, translate the data into biological terms and refer to statistical results as supplemental information, or even in parenthetical clauses (Schimel 2012). For example, if your dependent variable changed in response to a treatment, report the magnitude and direction of the effect, with the P-value in parentheses.

“By day 8, cowbirds reared with host young were, on average, 14% heavier than cowbirds reared alone (unpaired t16 = −2.23, P = 0.041, Fig. 2A).”

(Kilner et al. 2004)

If your P-value exceeded 0.05 (or your other statistical tests yielded nonsignificant results), report any noticeable trends in the data rather than simply dismissing the treatment as having no significant effect (Fry 1993). By focusing on the data and leaving out any interpretation of the results in this section, you will provide the reader with the tools necessary to objectively evaluate your findings.

Discussion and conclusion

The Discussion section usually requires the most consideration, as this is where you interpret your results. Your Discussion should form a self-contained story tying together your Introduction and Results sections (Schimel 2012). One potential strategy for writing the Discussion is to begin by explicitly stating the main finding(s) of your research (Cals and Kotz 2013). Remind the reader of the knowledge gap identified in the Introduction to re-spark curiosity about the question you set out to answer. Then, explicitly state how your experiment moved the field forward by filling that knowledge gap.

After the opening paragraph of your Discussion, we suggest addressing your question and hypotheses with specific evidence from your results. If there are multiple possible interpretations of a result, clearly lay out each competing explanation. In the cowbird example, a higher feeding rate in the presence of host offspring could indicate either (1) that the parents were more responsive to the begging behavior of their own species or (2) that the collective begging behavior of more offspring in the nest motivated the host parents to provide additional food (Kilner et al. 2004). Presenting and evaluating alternative explanations of your findings will provide clear opportunities for future research. However, be sure to keep your Discussion concrete by referring to your results to support each given interpretation.

Intermingled with these interpretations, reference preexisting literature and report how your results relate to previous findings (Casenove and Kirk 2016). Ask yourself the following questions: How do my results compare to those of similar studies? Are they consistent or inconsistent with what other researchers have found? If they are inconsistent, discuss why this might be the case. For example, are you asking a similar question in a different system, organism, or site? Was there a difference in the methods or experimental design? Any caveats of the study (e.g., small sample size, procedural mistakes, or known biases in the methods) should be transparent and briefly discussed.

The conclusion, generally located in its own short section or the last paragraph of the Discussion, represents your final opportunity to state the significance of your research. Rather than merely restating your main findings, the conclusion should summarize the outcome of your study in a way that incorporates new insights or frames interesting questions that arose as a result of your research. Broaden your perspective again as you reach the bottom of the hourglass (Fig. 1). While it is important to acknowledge the shortcomings or caveats of the research project, generally include these near the beginning of the conclusion or earlier in the Discussion. You want your take-home sentences to focus on what you have accomplished and the broader implications of your study, rather than your study's limitations or shortcomings (Schimel 2012). End on a strong note.

Putting it all together

No matter how many boards you stack on top of each other, you still need nails to prevent the pile from falling apart. The same logic applies to a scientific paper. Little things—such as flow, structure, voice, and word choice—will connect your story, polish your paper, and make it enjoyable to read.

First, a paper needs to flow. The reader should easily be able to move from one concept to another, either within a sentence or between paragraphs. To bolster the flow, constantly remind yourself of the overarching story; always connect new questions with resolutions and tie new concepts to previously presented ideas. As a general rule, try to maintain the same subject throughout a section and mix up sentence structure in order to emphasize different concepts. Keep in mind that words or ideas placed toward the end of a sentence often convey the most importance (Schimel 2012).

The use of active voice with occasional sentences in passive voice will additionally strengthen your writing. Scientific writing is rife with passive voice that weakens otherwise powerful sentences by stripping the subjects of action. However, when used properly, the passive voice can improve flow by strategically placing a sentence's subject so that it echoes the emphasis of the preceding sentence. Compare the following sentences:

“The cowbird nestlings tolerated the host nestlings.”

(active)

“The host nestlings were tolerated by the cowbird nestlings.”

(passive)

If host nestlings are the focus of the paragraph as a whole, it may make more sense to present the passive sentence in this case, even though it is weaker than the active version. While passive and active voices can complement each other in particular situations, you should typically use the active voice whenever possible.

Lastly, word choice is critical for effective storytelling (Journal of Young Investigators 2005). Rather than peppering your report or manuscript with overly complicated words, use simple words to lay the framework of your study and discuss your findings. Eliminating any flourish and choosing words that get your point across as clearly as possible will make your work much more enjoyable to read (Strunk and White 1979, Schimel 2012).

Editing and peer review

Although you have finally finished collecting data and writing your report, you are not done yet! Re-reading your paper and incorporating constructive feedback from others can make the difference between getting a paper accepted or rejected from a journal or receiving one letter grade over another on a report. The editing stage is where you put the finishing touches on your work.

Start by taking some time away from your paper. Ideally, you began your paper early enough that you can refrain from looking at it for a day or two. However, if the deadline looms large, take an hour break at the very least. Come back to your paper and verify that it still expresses what you intended to say. Where are the gaps in your story structure? What has not been explained clearly? Where is the writing awkward, making it difficult to understand your point? Consider reading the paper out loud first, and then print and edit a hard copy to inspect the paper from different angles.

Editing is best done in stages. On the first run-through of your paper, make sure you addressed all of the main ideas of the study. One way to achieve this is by writing down the key points you want to hit prior to re-reading your paper. If your paper deviates from these points, you may need to delete some paragraphs. In contrast, if you forgot to include something, add it in. To check the flow of your paragraphs, verify that a common thread ties each paragraph to the preceding one, and similarly, that each sentence within a paragraph builds on the previous sentence. Finally, re-read the paper with a finer lens, editing sentence structure and word choice as you go to put the finishing touches on your work. Grammar and spelling are just as important as your scientific story; a poorly written paper will have limited impact regardless of the quality of the ideas expressed (Harley et al. 2004).

After editing your own paper, ask someone else to read it. A classmate is ideal because he/she understands the assignment and could exchange papers with you. The editing steps described above also apply when editing someone else's paper. If a classmate is not available, try asking a family member or a friend. Having a fresh set of eyes examine your work may help you identify sections of your paper that need clarification. This procedure will also give you a glimpse into the peer review process, which is integral to professional science writing (Guilford 2001). Don't be discouraged by negative comments—incorporating the feedback of reviewers will only strengthen your paper. Good criticism is constructive.

Conclusion

While the basics of writing are generally taught early in life, many people constantly work to refine their writing ability throughout their careers. Even professional scientists feel that they can always write more effectively. Focusing on the strategies for success laid out in this guide will not only improve your writing skills, but also make the scientific writing process easier and more efficient. However, keep in mind that there is no single correct way to write a scientific paper, and as you gain experience with scientific writing, you will begin to find your own voice. Good luck and happy writing!

Additional resources

For those interested in learning more about the skill of scientific writing, we recommend the following resources. We note that much of the inspiration and concrete ideas for this step-by-step guide originated from Schimel's Writing Science: How to Write Papers that Get Cited and Proposals that Get Funded.

  1. Journal of Young Investigators. 2005. Writing scientific manuscripts: a guide for undergraduates. Journal of Young Investigators, California.
  2. Lanciani, C. A. 1998. Reader-friendly writing in science. Bulletin of the Ecological Society of America 79: 171–172.
  3. Morris, J., T. Jehn, C. Vaughan, E. Pantages, T. Torello, M. Bucheli, D. Lohman, and R. Jue. 2007. A student's guide to writing in the life sciences. The President and Fellows of Harvard University, Massachusetts.
  4. Schimel, J. 2012. Writing science: how to write papers that get cited and proposals that get funded. Oxford University Press, Oxford.

Acknowledgments

We thank Nichole Barger and the University of Colorado, Boulder 2016 graduate writing seminar for helpful discussions that greatly enhanced the quality of this essay.

Potential Conflicts of Interest

None.

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Literature Cited

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