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what is a report science

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A scientific report is a document that describes the process, progress, and or results of technical or scientific research or the state of a technical or scientific research problem. It might also include recommendations and conclusion of the research.

In this guide:

Elements of a scientific report, scientific reports for employers or clients.

Table of Contents

Introduction, materials and methods (experimental).

The title page will include the following:

A Table of Contents is only required for length reports (usually 6 pages or more).

The Abstract is a self-contained synopsis of the report - an informative summary of what you did and what you found out.

The Abstract should include the following:

If there is a hypothesis, you may state what it is and whether it was supported or refuted.

The following should not be included in the Abstract:

Although the Abstract comes first in a report, it is best to write it last, after you have the results and conclusions.

This provides a summary of the analysis to be undertaken. The purpose of the Introduction is to put the reader in the picture and place the research/experiment within a context.

The following may be included in the Introduction:

The Introduction is the what and why of the experiment, and should answer the following questions:

The Introduction should not include any results or conclusions.

The Materials and Methods, sometimes called Experimental, is a description of the materials and procedures used - what was done and how. Describe the process of preparation of the sample, specifications of the instruments used and techniques employed.

The Method should include such things as sample size, apparatus or equipment used, experimental conditions, concentrations, times, controls etc.

While the Method does not need to include minute details (e.g. if you followed a set of written instructions, you may not need to write out the full procedure - state briefly what was done and cite the manual), there needs to be enough detail so that someone could repeat the work.

Do not keep using the word "then" - the reader will understand that the steps were carried out in the order in which they are written.

The Method must be written in the past tense and the passive voice.

This section states what you found.

The following will be included in your Results:

Massive quantities of data or raw data (not refined statistically) can be presented in appendices.

Include only your own observed results in this section.

The following should not be included in your results:

Use the Discussion section of the report for these.

The Results section should be written in the past tense and passive voice, avoiding the use of "I" and "we".

State your interpretation of your findings, perhaps comparing or contrasting them with the literature. Reflect on your actual data and observations.

Explain or rationalise errant data or describe possible sources of error and how they may have affected the outcome.

The Discussion must answer the question "What do the results mean?" It is an argument based on the results.

This is the summing up of your argument or experiment/research, and should relate back to the Introduction.

The Conclusion should only consist of a few sentences, and should reiterate the findings of your experiment/research.

If appropriate, suggest how to improve the procedure, and what additional experiments or research would be helpful.

Cite any references that you have used, ensuring that each item in the reference list has an in-text citation, and every in-text citation has a full reference in the reference list at the end of your paper.

Ensure that the references are formatted according to the style required by the journal (or your lecturer/supervisor), and be careful with spelling (the author whose name you misspell may be asked to review the paper!)

If a scientific report is being prepared for an employer or client, the following additional elements may be included:

Covering Letter or Memo

A formal covering letter (if the the report is for someone outside your organisation) or memo (if the report is for someone within your organisation) which accompanies the report will include the following:

Executive Summary

This would be situated at the beginning of the report (before the Abstract).

The Executive Summary will

Because the readers of the report will not necessarily be scientists, the Executive Summary should be in simple language, avoiding the use of technical jargon.

Recommendations

If the report is of an investigative nature, the final section (after Conclusion) will be any recommendations that you make on the basis of the scientific results.

Acknowledgements

If other people or organisations assisted in any way with the experiments/research (e.g. funding, facilities, guidance etc.), they should be thanked at the end of the document (after Conclusion and Recommendations).

References used for this guide

Dintzner, M. R.; Niedziela, R. F. Elements of laboratory report writing. http://chemistry.che.depaul.edu/LabReport/ (accessed August 2004).

Emerson, L.; Hampton, J. Writing Guidelines for Science and Applied Science Students , 2nd ed.; Thomson/Dunmore Press: Southbank, Vic., 2005.

Lobban, C. S.; Schefter, M. Successful Lab Reports: A Manual for Science Students ; Cambridge University Press: Cambridge, 1992.

The Writing Center • University of North Carolina at Chapel Hill

Scientific Reports

What this handout is about.

This handout provides a general guide to writing reports about scientific research you’ve performed. In addition to describing the conventional rules about the format and content of a lab report, we’ll also attempt to convey why these rules exist, so you’ll get a clearer, more dependable idea of how to approach this writing situation. Readers of this handout may also find our handout on writing in the sciences useful.

Background and pre-writing

Why do we write research reports.

You did an experiment or study for your science class, and now you have to write it up for your teacher to review. You feel that you understood the background sufficiently, designed and completed the study effectively, obtained useful data, and can use those data to draw conclusions about a scientific process or principle. But how exactly do you write all that? What is your teacher expecting to see?

To take some of the guesswork out of answering these questions, try to think beyond the classroom setting. In fact, you and your teacher are both part of a scientific community, and the people who participate in this community tend to share the same values. As long as you understand and respect these values, your writing will likely meet the expectations of your audience—including your teacher.

So why are you writing this research report? The practical answer is “Because the teacher assigned it,” but that’s classroom thinking. Generally speaking, people investigating some scientific hypothesis have a responsibility to the rest of the scientific world to report their findings, particularly if these findings add to or contradict previous ideas. The people reading such reports have two primary goals:

Your job as a writer, then, is to fulfill these two goals.

How do I do that?

Good question. Here is the basic format scientists have designed for research reports:

Methods and Materials

This format, sometimes called “IMRAD,” may take slightly different shapes depending on the discipline or audience; some ask you to include an abstract or separate section for the hypothesis, or call the Discussion section “Conclusions,” or change the order of the sections (some professional and academic journals require the Methods section to appear last). Overall, however, the IMRAD format was devised to represent a textual version of the scientific method.

The scientific method, you’ll probably recall, involves developing a hypothesis, testing it, and deciding whether your findings support the hypothesis. In essence, the format for a research report in the sciences mirrors the scientific method but fleshes out the process a little. Below, you’ll find a table that shows how each written section fits into the scientific method and what additional information it offers the reader.

Thinking of your research report as based on the scientific method, but elaborated in the ways described above, may help you to meet your audience’s expectations successfully. We’re going to proceed by explicitly connecting each section of the lab report to the scientific method, then explaining why and how you need to elaborate that section.

Although this handout takes each section in the order in which it should be presented in the final report, you may for practical reasons decide to compose sections in another order. For example, many writers find that composing their Methods and Results before the other sections helps to clarify their idea of the experiment or study as a whole. You might consider using each assignment to practice different approaches to drafting the report, to find the order that works best for you.

What should I do before drafting the lab report?

The best way to prepare to write the lab report is to make sure that you fully understand everything you need to about the experiment. Obviously, if you don’t quite know what went on during the lab, you’re going to find it difficult to explain the lab satisfactorily to someone else. To make sure you know enough to write the report, complete the following steps:

Once you’ve completed these steps as you perform the experiment, you’ll be in a good position to draft an effective lab report.

Introductions

How do i write a strong introduction.

For the purposes of this handout, we’ll consider the Introduction to contain four basic elements: the purpose, the scientific literature relevant to the subject, the hypothesis, and the reasons you believed your hypothesis viable. Let’s start by going through each element of the Introduction to clarify what it covers and why it’s important. Then we can formulate a logical organizational strategy for the section.

The inclusion of the purpose (sometimes called the objective) of the experiment often confuses writers. The biggest misconception is that the purpose is the same as the hypothesis. Not quite. We’ll get to hypotheses in a minute, but basically they provide some indication of what you expect the experiment to show. The purpose is broader, and deals more with what you expect to gain through the experiment. In a professional setting, the hypothesis might have something to do with how cells react to a certain kind of genetic manipulation, but the purpose of the experiment is to learn more about potential cancer treatments. Undergraduate reports don’t often have this wide-ranging a goal, but you should still try to maintain the distinction between your hypothesis and your purpose. In a solubility experiment, for example, your hypothesis might talk about the relationship between temperature and the rate of solubility, but the purpose is probably to learn more about some specific scientific principle underlying the process of solubility.

For starters, most people say that you should write out your working hypothesis before you perform the experiment or study. Many beginning science students neglect to do so and find themselves struggling to remember precisely which variables were involved in the process or in what way the researchers felt that they were related. Write your hypothesis down as you develop it—you’ll be glad you did.

As for the form a hypothesis should take, it’s best not to be too fancy or complicated; an inventive style isn’t nearly so important as clarity here. There’s nothing wrong with beginning your hypothesis with the phrase, “It was hypothesized that . . .” Be as specific as you can about the relationship between the different objects of your study. In other words, explain that when term A changes, term B changes in this particular way. Readers of scientific writing are rarely content with the idea that a relationship between two terms exists—they want to know what that relationship entails.

Not a hypothesis:

“It was hypothesized that there is a significant relationship between the temperature of a solvent and the rate at which a solute dissolves.”

Hypothesis:

“It was hypothesized that as the temperature of a solvent increases, the rate at which a solute will dissolve in that solvent increases.”

Put more technically, most hypotheses contain both an independent and a dependent variable. The independent variable is what you manipulate to test the reaction; the dependent variable is what changes as a result of your manipulation. In the example above, the independent variable is the temperature of the solvent, and the dependent variable is the rate of solubility. Be sure that your hypothesis includes both variables.

Justify your hypothesis

You need to do more than tell your readers what your hypothesis is; you also need to assure them that this hypothesis was reasonable, given the circumstances. In other words, use the Introduction to explain that you didn’t just pluck your hypothesis out of thin air. (If you did pluck it out of thin air, your problems with your report will probably extend beyond using the appropriate format.) If you posit that a particular relationship exists between the independent and the dependent variable, what led you to believe your “guess” might be supported by evidence?

Scientists often refer to this type of justification as “motivating” the hypothesis, in the sense that something propelled them to make that prediction. Often, motivation includes what we already know—or rather, what scientists generally accept as true (see “Background/previous research” below). But you can also motivate your hypothesis by relying on logic or on your own observations. If you’re trying to decide which solutes will dissolve more rapidly in a solvent at increased temperatures, you might remember that some solids are meant to dissolve in hot water (e.g., bouillon cubes) and some are used for a function precisely because they withstand higher temperatures (they make saucepans out of something). Or you can think about whether you’ve noticed sugar dissolving more rapidly in your glass of iced tea or in your cup of coffee. Even such basic, outside-the-lab observations can help you justify your hypothesis as reasonable.

Background/previous research

This part of the Introduction demonstrates to the reader your awareness of how you’re building on other scientists’ work. If you think of the scientific community as engaging in a series of conversations about various topics, then you’ll recognize that the relevant background material will alert the reader to which conversation you want to enter.

Generally speaking, authors writing journal articles use the background for slightly different purposes than do students completing assignments. Because readers of academic journals tend to be professionals in the field, authors explain the background in order to permit readers to evaluate the study’s pertinence for their own work. You, on the other hand, write toward a much narrower audience—your peers in the course or your lab instructor—and so you must demonstrate that you understand the context for the (presumably assigned) experiment or study you’ve completed. For example, if your professor has been talking about polarity during lectures, and you’re doing a solubility experiment, you might try to connect the polarity of a solid to its relative solubility in certain solvents. In any event, both professional researchers and undergraduates need to connect the background material overtly to their own work.

Organization of this section

Most of the time, writers begin by stating the purpose or objectives of their own work, which establishes for the reader’s benefit the “nature and scope of the problem investigated” (Day 1994). Once you have expressed your purpose, you should then find it easier to move from the general purpose, to relevant material on the subject, to your hypothesis. In abbreviated form, an Introduction section might look like this:

“The purpose of the experiment was to test conventional ideas about solubility in the laboratory [purpose] . . . According to Whitecoat and Labrat (1999), at higher temperatures the molecules of solvents move more quickly . . . We know from the class lecture that molecules moving at higher rates of speed collide with one another more often and thus break down more easily [background material/motivation] . . . Thus, it was hypothesized that as the temperature of a solvent increases, the rate at which a solute will dissolve in that solvent increases [hypothesis].”

Again—these are guidelines, not commandments. Some writers and readers prefer different structures for the Introduction. The one above merely illustrates a common approach to organizing material.

How do I write a strong Materials and Methods section?

As with any piece of writing, your Methods section will succeed only if it fulfills its readers’ expectations, so you need to be clear in your own mind about the purpose of this section. Let’s review the purpose as we described it above: in this section, you want to describe in detail how you tested the hypothesis you developed and also to clarify the rationale for your procedure. In science, it’s not sufficient merely to design and carry out an experiment. Ultimately, others must be able to verify your findings, so your experiment must be reproducible, to the extent that other researchers can follow the same procedure and obtain the same (or similar) results.

Here’s a real-world example of the importance of reproducibility. In 1989, physicists Stanley Pons and Martin Fleischman announced that they had discovered “cold fusion,” a way of producing excess heat and power without the nuclear radiation that accompanies “hot fusion.” Such a discovery could have great ramifications for the industrial production of energy, so these findings created a great deal of interest. When other scientists tried to duplicate the experiment, however, they didn’t achieve the same results, and as a result many wrote off the conclusions as unjustified (or worse, a hoax). To this day, the viability of cold fusion is debated within the scientific community, even though an increasing number of researchers believe it possible. So when you write your Methods section, keep in mind that you need to describe your experiment well enough to allow others to replicate it exactly.

With these goals in mind, let’s consider how to write an effective Methods section in terms of content, structure, and style.

Sometimes the hardest thing about writing this section isn’t what you should talk about, but what you shouldn’t talk about. Writers often want to include the results of their experiment, because they measured and recorded the results during the course of the experiment. But such data should be reserved for the Results section. In the Methods section, you can write that you recorded the results, or how you recorded the results (e.g., in a table), but you shouldn’t write what the results were—not yet. Here, you’re merely stating exactly how you went about testing your hypothesis. As you draft your Methods section, ask yourself the following questions:

Describe the control in the Methods section. Two things are especially important in writing about the control: identify the control as a control, and explain what you’re controlling for. Here is an example:

“As a control for the temperature change, we placed the same amount of solute in the same amount of solvent, and let the solution stand for five minutes without heating it.”

Structure and style

Organization is especially important in the Methods section of a lab report because readers must understand your experimental procedure completely. Many writers are surprised by the difficulty of conveying what they did during the experiment, since after all they’re only reporting an event, but it’s often tricky to present this information in a coherent way. There’s a fairly standard structure you can use to guide you, and following the conventions for style can help clarify your points.

Increasingly, especially in the social sciences, using first person and active voice is acceptable in scientific reports. Most readers find that this style of writing conveys information more clearly and concisely. This rhetorical choice thus brings two scientific values into conflict: objectivity versus clarity. Since the scientific community hasn’t reached a consensus about which style it prefers, you may want to ask your lab instructor.

How do I write a strong Results section?

Here’s a paradox for you. The Results section is often both the shortest (yay!) and most important (uh-oh!) part of your report. Your Materials and Methods section shows how you obtained the results, and your Discussion section explores the significance of the results, so clearly the Results section forms the backbone of the lab report. This section provides the most critical information about your experiment: the data that allow you to discuss how your hypothesis was or wasn’t supported. But it doesn’t provide anything else, which explains why this section is generally shorter than the others.

Before you write this section, look at all the data you collected to figure out what relates significantly to your hypothesis. You’ll want to highlight this material in your Results section. Resist the urge to include every bit of data you collected, since perhaps not all are relevant. Also, don’t try to draw conclusions about the results—save them for the Discussion section. In this section, you’re reporting facts. Nothing your readers can dispute should appear in the Results section.

Most Results sections feature three distinct parts: text, tables, and figures. Let’s consider each part one at a time.

This should be a short paragraph, generally just a few lines, that describes the results you obtained from your experiment. In a relatively simple experiment, one that doesn’t produce a lot of data for you to repeat, the text can represent the entire Results section. Don’t feel that you need to include lots of extraneous detail to compensate for a short (but effective) text; your readers appreciate discrimination more than your ability to recite facts. In a more complex experiment, you may want to use tables and/or figures to help guide your readers toward the most important information you gathered. In that event, you’ll need to refer to each table or figure directly, where appropriate:

“Table 1 lists the rates of solubility for each substance”

“Solubility increased as the temperature of the solution increased (see Figure 1).”

If you do use tables or figures, make sure that you don’t present the same material in both the text and the tables/figures, since in essence you’ll just repeat yourself, probably annoying your readers with the redundancy of your statements.

Feel free to describe trends that emerge as you examine the data. Although identifying trends requires some judgment on your part and so may not feel like factual reporting, no one can deny that these trends do exist, and so they properly belong in the Results section. Example:

“Heating the solution increased the rate of solubility of polar solids by 45% but had no effect on the rate of solubility in solutions containing non-polar solids.”

This point isn’t debatable—you’re just pointing out what the data show.

As in the Materials and Methods section, you want to refer to your data in the past tense, because the events you recorded have already occurred and have finished occurring. In the example above, note the use of “increased” and “had,” rather than “increases” and “has.” (You don’t know from your experiment that heating always increases the solubility of polar solids, but it did that time.)

You shouldn’t put information in the table that also appears in the text. You also shouldn’t use a table to present irrelevant data, just to show you did collect these data during the experiment. Tables are good for some purposes and situations, but not others, so whether and how you’ll use tables depends upon what you need them to accomplish.

Tables are useful ways to show variation in data, but not to present a great deal of unchanging measurements. If you’re dealing with a scientific phenomenon that occurs only within a certain range of temperatures, for example, you don’t need to use a table to show that the phenomenon didn’t occur at any of the other temperatures. How useful is this table?

A table labeled Effect of Temperature on Rate of Solubility with temperature of solvent values in 10-degree increments from -20 degrees Celsius to 80 degrees Celsius that does not show a corresponding rate of solubility value until 50 degrees Celsius.

As you can probably see, no solubility was observed until the trial temperature reached 50°C, a fact that the text part of the Results section could easily convey. The table could then be limited to what happened at 50°C and higher, thus better illustrating the differences in solubility rates when solubility did occur.

As a rule, try not to use a table to describe any experimental event you can cover in one sentence of text. Here’s an example of an unnecessary table from How to Write and Publish a Scientific Paper , by Robert A. Day:

A table labeled Oxygen requirements of various species of Streptomyces showing the names of organisms and two columns that indicate growth under aerobic conditions and growth under anaerobic conditions with a plus or minus symbol for each organism in the growth columns to indicate value.

As Day notes, all the information in this table can be summarized in one sentence: “S. griseus, S. coelicolor, S. everycolor, and S. rainbowenski grew under aerobic conditions, whereas S. nocolor and S. greenicus required anaerobic conditions.” Most readers won’t find the table clearer than that one sentence.

When you do have reason to tabulate material, pay attention to the clarity and readability of the format you use. Here are a few tips:

A table labeled Boyle's Law Experiment: Measuring Volume as a Function of Pressure that presents the trial number, length of air sample in millimeters, and height difference in inches of mercury, each of which is presented in rows horizontally.

It’s a little tough to see the trends that the author presumably wants to present in this table. Compare this table, in which the data appear vertically:

A table labeled Boyle's Law Experiment: Measuring Volume as a Function of Pressure that presents the trial number, length of air sample in millimeters, and height difference in inches of mercury, each of which is presented in columns vertically.

The second table shows how putting like elements in a vertical column makes for easier reading. In this case, the like elements are the measurements of length and height, over five trials–not, as in the first table, the length and height measurements for each trial.

How do I include figures in my report?

Although tables can be useful ways of showing trends in the results you obtained, figures (i.e., illustrations) can do an even better job of emphasizing such trends. Lab report writers often use graphic representations of the data they collected to provide their readers with a literal picture of how the experiment went.

When should you use a figure?

Remember the circumstances under which you don’t need a table: when you don’t have a great deal of data or when the data you have don’t vary a lot. Under the same conditions, you would probably forgo the figure as well, since the figure would be unlikely to provide your readers with an additional perspective. Scientists really don’t like their time wasted, so they tend not to respond favorably to redundancy.

If you’re trying to decide between using a table and creating a figure to present your material, consider the following a rule of thumb. The strength of a table lies in its ability to supply large amounts of exact data, whereas the strength of a figure is its dramatic illustration of important trends within the experiment. If you feel that your readers won’t get the full impact of the results you obtained just by looking at the numbers, then a figure might be appropriate.

Of course, an undergraduate class may expect you to create a figure for your lab experiment, if only to make sure that you can do so effectively. If this is the case, then don’t worry about whether to use figures or not—concentrate instead on how best to accomplish your task.

Figures can include maps, photographs, pen-and-ink drawings, flow charts, bar graphs, and section graphs (“pie charts”). But the most common figure by far, especially for undergraduates, is the line graph, so we’ll focus on that type in this handout.

At the undergraduate level, you can often draw and label your graphs by hand, provided that the result is clear, legible, and drawn to scale. Computer technology has, however, made creating line graphs a lot easier. Most word-processing software has a number of functions for transferring data into graph form; many scientists have found Microsoft Excel, for example, a helpful tool in graphing results. If you plan on pursuing a career in the sciences, it may be well worth your while to learn to use a similar program.

Computers can’t, however, decide for you how your graph really works; you have to know how to design your graph to meet your readers’ expectations. Here are some of these expectations:

How do I write a strong Discussion section?

The discussion section is probably the least formalized part of the report, in that you can’t really apply the same structure to every type of experiment. In simple terms, here you tell your readers what to make of the Results you obtained. If you have done the Results part well, your readers should already recognize the trends in the data and have a fairly clear idea of whether your hypothesis was supported. Because the Results can seem so self-explanatory, many students find it difficult to know what material to add in this last section.

Basically, the Discussion contains several parts, in no particular order, but roughly moving from specific (i.e., related to your experiment only) to general (how your findings fit in the larger scientific community). In this section, you will, as a rule, need to:

Explain whether the data support your hypothesis

Derive conclusions, based on your findings, about the process you’re studying

Explore the theoretical and/or practical implications of your findings

Let’s look at some dos and don’ts for each of these objectives.

This statement is usually a good way to begin the Discussion, since you can’t effectively speak about the larger scientific value of your study until you’ve figured out the particulars of this experiment. You might begin this part of the Discussion by explicitly stating the relationships or correlations your data indicate between the independent and dependent variables. Then you can show more clearly why you believe your hypothesis was or was not supported. For example, if you tested solubility at various temperatures, you could start this section by noting that the rates of solubility increased as the temperature increased. If your initial hypothesis surmised that temperature change would not affect solubility, you would then say something like,

“The hypothesis that temperature change would not affect solubility was not supported by the data.”

Note: Students tend to view labs as practical tests of undeniable scientific truths. As a result, you may want to say that the hypothesis was “proved” or “disproved” or that it was “correct” or “incorrect.” These terms, however, reflect a degree of certainty that you as a scientist aren’t supposed to have. Remember, you’re testing a theory with a procedure that lasts only a few hours and relies on only a few trials, which severely compromises your ability to be sure about the “truth” you see. Words like “supported,” “indicated,” and “suggested” are more acceptable ways to evaluate your hypothesis.

Also, recognize that saying whether the data supported your hypothesis or not involves making a claim to be defended. As such, you need to show the readers that this claim is warranted by the evidence. Make sure that you’re very explicit about the relationship between the evidence and the conclusions you draw from it. This process is difficult for many writers because we don’t often justify conclusions in our regular lives. For example, you might nudge your friend at a party and whisper, “That guy’s drunk,” and once your friend lays eyes on the person in question, she might readily agree. In a scientific paper, by contrast, you would need to defend your claim more thoroughly by pointing to data such as slurred words, unsteady gait, and the lampshade-as-hat. In addition to pointing out these details, you would also need to show how (according to previous studies) these signs are consistent with inebriation, especially if they occur in conjunction with one another. To put it another way, tell your readers exactly how you got from point A (was the hypothesis supported?) to point B (yes/no).

Acknowledge any anomalous data, or deviations from what you expected

You need to take these exceptions and divergences into account, so that you qualify your conclusions sufficiently. For obvious reasons, your readers will doubt your authority if you (deliberately or inadvertently) overlook a key piece of data that doesn’t square with your perspective on what occurred. In a more philosophical sense, once you’ve ignored evidence that contradicts your claims, you’ve departed from the scientific method. The urge to “tidy up” the experiment is often strong, but if you give in to it you’re no longer performing good science.

Sometimes after you’ve performed a study or experiment, you realize that some part of the methods you used to test your hypothesis was flawed. In that case, it’s OK to suggest that if you had the chance to conduct your test again, you might change the design in this or that specific way in order to avoid such and such a problem. The key to making this approach work, though, is to be very precise about the weakness in your experiment, why and how you think that weakness might have affected your data, and how you would alter your protocol to eliminate—or limit the effects of—that weakness. Often, inexperienced researchers and writers feel the need to account for “wrong” data (remember, there’s no such animal), and so they speculate wildly about what might have screwed things up. These speculations include such factors as the unusually hot temperature in the room, or the possibility that their lab partners read the meters wrong, or the potentially defective equipment. These explanations are what scientists call “cop-outs,” or “lame”; don’t indicate that the experiment had a weakness unless you’re fairly certain that a) it really occurred and b) you can explain reasonably well how that weakness affected your results.

If, for example, your hypothesis dealt with the changes in solubility at different temperatures, then try to figure out what you can rationally say about the process of solubility more generally. If you’re doing an undergraduate lab, chances are that the lab will connect in some way to the material you’ve been covering either in lecture or in your reading, so you might choose to return to these resources as a way to help you think clearly about the process as a whole.

This part of the Discussion section is another place where you need to make sure that you’re not overreaching. Again, nothing you’ve found in one study would remotely allow you to claim that you now “know” something, or that something isn’t “true,” or that your experiment “confirmed” some principle or other. Hesitate before you go out on a limb—it’s dangerous! Use less absolutely conclusive language, including such words as “suggest,” “indicate,” “correspond,” “possibly,” “challenge,” etc.

Relate your findings to previous work in the field (if possible)

We’ve been talking about how to show that you belong in a particular community (such as biologists or anthropologists) by writing within conventions that they recognize and accept. Another is to try to identify a conversation going on among members of that community, and use your work to contribute to that conversation. In a larger philosophical sense, scientists can’t fully understand the value of their research unless they have some sense of the context that provoked and nourished it. That is, you have to recognize what’s new about your project (potentially, anyway) and how it benefits the wider body of scientific knowledge. On a more pragmatic level, especially for undergraduates, connecting your lab work to previous research will demonstrate to the TA that you see the big picture. You have an opportunity, in the Discussion section, to distinguish yourself from the students in your class who aren’t thinking beyond the barest facts of the study. Capitalize on this opportunity by putting your own work in context.

If you’re just beginning to work in the natural sciences (as a first-year biology or chemistry student, say), most likely the work you’ll be doing has already been performed and re-performed to a satisfactory degree. Hence, you could probably point to a similar experiment or study and compare/contrast your results and conclusions. More advanced work may deal with an issue that is somewhat less “resolved,” and so previous research may take the form of an ongoing debate, and you can use your own work to weigh in on that debate. If, for example, researchers are hotly disputing the value of herbal remedies for the common cold, and the results of your study suggest that Echinacea diminishes the symptoms but not the actual presence of the cold, then you might want to take some time in the Discussion section to recapitulate the specifics of the dispute as it relates to Echinacea as an herbal remedy. (Consider that you have probably already written in the Introduction about this debate as background research.)

This information is often the best way to end your Discussion (and, for all intents and purposes, the report). In argumentative writing generally, you want to use your closing words to convey the main point of your writing. This main point can be primarily theoretical (“Now that you understand this information, you’re in a better position to understand this larger issue”) or primarily practical (“You can use this information to take such and such an action”). In either case, the concluding statements help the reader to comprehend the significance of your project and your decision to write about it.

Since a lab report is argumentative—after all, you’re investigating a claim, and judging the legitimacy of that claim by generating and collecting evidence—it’s often a good idea to end your report with the same technique for establishing your main point. If you want to go the theoretical route, you might talk about the consequences your study has for the field or phenomenon you’re investigating. To return to the examples regarding solubility, you could end by reflecting on what your work on solubility as a function of temperature tells us (potentially) about solubility in general. (Some folks consider this type of exploration “pure” as opposed to “applied” science, although these labels can be problematic.) If you want to go the practical route, you could end by speculating about the medical, institutional, or commercial implications of your findings—in other words, answer the question, “What can this study help people to do?” In either case, you’re going to make your readers’ experience more satisfying, by helping them see why they spent their time learning what you had to teach them.

Works consulted

We consulted these works while writing this handout. This is not a comprehensive list of resources on the handout’s topic, and we encourage you to do your own research to find additional publications. Please do not use this list as a model for the format of your own reference list, as it may not match the citation style you are using. For guidance on formatting citations, please see the UNC Libraries citation tutorial . We revise these tips periodically and welcome feedback.

American Psychological Association. 2010. Publication Manual of the American Psychological Association . 6th ed. Washington, DC: American Psychological Association.

Beall, Herbert, and John Trimbur. 2001. A Short Guide to Writing About Chemistry , 2nd ed. New York: Longman.

Blum, Deborah, and Mary Knudson. 1997. A Field Guide for Science Writers: The Official Guide of the National Association of Science Writers . New York: Oxford University Press.

Booth, Wayne C., Gregory G. Colomb, Joseph M. Williams, Joseph Bizup, and William T. FitzGerald. 2016. The Craft of Research , 4th ed. Chicago: University of Chicago Press.

Briscoe, Mary Helen. 1996. Preparing Scientific Illustrations: A Guide to Better Posters, Presentations, and Publications , 2nd ed. New York: Springer-Verlag.

Council of Science Editors. 2014. Scientific Style and Format: The CSE Manual for Authors, Editors, and Publishers , 8th ed. Chicago & London: University of Chicago Press.

Davis, Martha. 2012. Scientific Papers and Presentations , 3rd ed. London: Academic Press.

Day, Robert A. 1994. How to Write and Publish a Scientific Paper , 4th ed. Phoenix: Oryx Press.

Porush, David. 1995. A Short Guide to Writing About Science . New York: Longman.

Williams, Joseph, and Joseph Bizup. 2017. Style: Lessons in Clarity and Grace , 12th ed. Boston: Pearson.

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Science report writing video

The purpose of a science report is to clearly communicate your key message about why your scientific findings are meaningful. In order to do this, you need to explain why you are testing a hypothesis, what methodology you used, what you found, and why your findings are meaningful. This requires a clear link between your introduction and your analysis/discussion.

Science reports tend to have a more typical structure than business reports. The structure is designed to clearly outline the key message of the research. It does this through indicating existing research, the significance of the current research, the research aim or hypothesis, what research was actually conducted, what was found, what the findings mean and imply. The structure in the table below outlines a typical scientific report.

Introduction

Introductions need to logically justify, using the relevant literature, the reason for doing the experiment. They typically contain:

Body section

The body of a science report contains the bulk of the information and writing. It typically contains the following:

The discussion is an important section of your report and is often the most challenging to write. This is where you present the analysis of what your findings mean. You outline whether or not your findings support the hypothesis presented in the introduction and the extent to which your findings agree with previous research, also presented in the introduction. If not, you can put forward suggestions as to why and present ideas for ways that future research could address these issues. The discussion is the section that requires careful consideration in terms of structure, in the same way that an essay does. You have a key message about your research and findings that you need to present, and your structure needs to support that.

The final paragraph of your discussion is the conclusion. In science reports, conclusions are brief summaries of the findings and may reemphasise the key message of your report.

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Scientific Report

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Writing up the results from an experiment can be difficult, as the nature of scientific research requires rigorous testing techniques and accurate recordings of data. The scientific report allows researchers to record their findings and publish them out into the world, expanding on the area of expertise. So, what comprises a scientific report?

Scientific Reports: Psychology

Research can be identified as primary or secondary research; whether the researcher collects the data used for analysis or uses previously published findings determines this. The different types of research produce different types of scientific reports, such as:

Primary research is data collected from the researcher, e.g., when carrying out an experiment.

For example, a laboratory produces a primary scientific psychology report.

Scientific Report, Types of data on a sheet, StudySmarter

On the other hand, secondary research is carried out using previously published research.

For example, a meta-analysis uses statistical means to combine and analyse data from similar studies.

Or, a systematic review uses a systematic approach (clearly defining variables and creating extensive inclusion and exclusion criteria to find research in databases) to gather empirical data to answer a research question.

Scientific Report: Importance

The reason why research should follow the APA recommendations for writing up psychological scientific research is that:

Scientfic Report: Writing

When conducting scientific report writing, several things must be kept in mind. A scientific report aims to help readers understand the study's procedure, findings and what this means for psychology. A scientific report should be clear and logical to make it easier to understand the research.

The American Psychological Association (APA) has created guidelines on how a scientific report should be written, including the scientific report structure and format.

APA suggests several headings for use in psychology reports. The scientific report structure and details included in the report will vary based on the researcher's experiment. However, a general framework is used as a template for research.

Scientific Report Structure

Psychology research should always start with an abstract. This section briefly summarises the whole study, typically 150-200 words. The crucial details the abstract should give include an overview of the hypothesis, sample, procedure, results, details regarding data analysis, and the conclusions drawn.

This section allows readers to read the summary and decide if the research is relevant to them.

The purpose of the introduction is to justify why the research is carried out. This is usually done by writing a literature review of relevant information to the phenomena and showing that your study will fill a gap in research.

The information described in the literature review must show how the researcher it was used to formulate and derived the hypothesis investigated.

The literature review will reflect research supporting and negating the hypothesis.

In this section, the investigated hypotheses should be reported.

The introduction should consist of a third of the psychology research report.

Scientific Report Structure: Method

The method consists of multiple subsections to ensure the report covers enough details to replicate the research. It is important to replicate investigations to identify if it is reliable. The details included in the methodology are important for peer-reviewing the quality of the study.

It allows the person peer-reviewing it to determine if the research is scientific, reliable, and valid and if it should be published in a psychological journal.

The subsections written in the methods section of a scientific report are:

State the experimental design.

State all of the (operationalised) variables investigated.

If multiple conditions are investigated, e.g., people treated for one, two, and four weeks, researchers should report it.

It is also important to note how researchers allocated participants into groups and whether they used counterbalancing methods.

The research design used, e.g., correlational research.

Counterbalancing is used to combat order effects. In some designs, participants repeat the same experiment counterbalancing techniques deal with these.

Sample/ Participants

The sampling method should be noted, e.g., opportunity.

Researchers should state the number of participants and the number of males and females participating in the study.

They should state the demographics of the participants used in the research, e.g., age (including the mean and standard deviation), ethnicity, nationality, and any other details relevant to the investigation.

Materials/Apparatus

This section should state all the relevant equipment used in the study, i.e., equipment/materials used to measure the variables , e.g., questionnaires (researchers should include a copy of this in the appendix).

Some research does not use this subsection if it does not use any specialised materials, e.g., researchers do not need to state if participants used pens or a stopwatch.

They should include details about standardised instruction, informed consent, and debriefing.

This section should be concise but provide enough details so it is replicable.

This section states which ethical committee reviewed and granted the research.

It should state any ethical issues that could have occurred in the research and how researchers dealt with them.

Scientific Report Conclusion and Results

The results section is where you state your findings. This section only states what you have found and does not discuss or explain it. You can present the data found through numerical values, tables, and figures. However, there are specific guidelines on reporting data per APA guidelines when reporting or adding these.

Researchers should not use the raw data collected. Instead, it should be analysed first. The results should start with descriptive data followed by inferential statistics (the type of statistical test used to identify whether a hypothesis should be accepted or rejected).

These statistics should include effect size and significance level (p).

Researchers should report data regardless of whether it is significant or not. They should report the p-value to three decimal places but everything else to two.

After the results, the scientific report conclusion should be reported; this summarises what was found in the study.

Scientific Report: Discussion

This section should discuss and conclude with the research results. The first thing researchers should write about in the discussion is whether the findings support the proposed hypothesis.

If the results support the hypothesis, researchers should compare the findings to previously published findings in the introduction that also found the same results.

You should add very little new research to the discussion section. If the hypothesis is not supported, the discussion should explain from research why this may be. Here, adding new research to present the findings is acceptable (perhaps another theory better explains it).

Critiquing this research, such as its strengths and weaknesses, how it contributed to the psychology field, and its next direction is essential. In the discussion, researchers should not add statistical values.

Scientific Report Example

An example of a scientific report includes any of those seen in studies, such as when a laboratory produces a primary scientific psychology report, or a meta-analysis which uses statistical means to combine and analyse data from similar studies.

The purpose of the reference section is to give credit to all the research used in writing the report. Researchers list this section in alphabetical order based on the author's last name – t he references listed need to be reported per the APA format.

Researchers use background information, e.g. data or theories from previous publications, to form hypotheses, support, criticise findings and learn how research should progress.

The two most common secondary sources used in scientific reports are findings from published journals or books.

Let's look at some scientific report examples of how books and journals should be referenced following APA guidelines.

Book : Author, initial (year of publication). Book title in italics. Publisher. DOI if available (digital object identifier).

Example: Comer, R. J. (2007). Abnormal psychology . New York: Worth Publishers.

Journal: Author, initial (year). Article title. Journal title in italics, volume number in italics , issue number, page range. DOI if available.

Example: Fjell, A. M., Walhovd, K. B., Fischl, B., & Reinvang, I. (2007). Cognitive function, P3a/P3b brain potentials, and cortical thickness in ageing. Human Brain Mapping, 28 (11), 1098-1116. https://doi.org/10.1002/hbm.20335

Scientific Report - Key takeaways

A scientific report consists of details regarding scientists reporting what their research entailed and reporting the results and conclusions drawn from the study.

Frequently Asked Questions about Scientific Report

--> how do you write a scientific report in psychology.

When psychologists carry out research, an essential part of the process involves reporting what the research entails and the results and conclusions drawn from the study. The American Psychological Association (APA) provides guidelines for the correct format researchers should use when writing psychology research reports.

--> How do you write a scientific introduction to a report?

It is usually done by writing a literature review of relevant information to the phenomena and showing that your study will fill a gap in research.

--> How do you structure a scientific report?

The structure of a scientific report should use the following subheadings: abstract, introduction, method (design, participants, materials, procedure and ethics), results, discussion, references and occasionally appendix, in this order. 

--> What is a scientific report?

A scientific report consists of details regarding scientists reporting what their research entailed and reporting the results and conclusions drawn from the study. 

--> What are the types of a scientific report?

Scientific reports can be primary or secondary. A primary scientific report is produced when the researchers conduct the research themselves. However, secondary scientific reports such as peer reviews, meta-analyses and systematic reviews are a type of scientific report that scientists produce when the researcher answers their proposed research question using previously published findings.

Final Scientific Report Quiz

What is a scientific report?

Show answer

Show question

Why is scientific research reported per APA in psychology?

How should the following book be reported per APA guidelines? The book is called Abnormal psychology, Worth Publishers published it in New York in 2007. Ronald J Comer wrote the book. 

Comer, R. J. (2007). Abnormal psychology . New York: Worth Publishers.

What structure should a scientific report follow?

The structure of a scientific report should use the following subheadings: 

What are potential subheadings we can find in the methods section of a scientific report? 

Where can readers find the hypothesis of research? 

In the abstract and introduction.

What is the purpose of the abstract?

The purpose of the abstract is to provide an overview of the research so that the reader can quickly identify if the research is relevant or of interest to them.

How long should an abstract be?

250-300 words.

Is the following reference reported in accordance with APA guidelines ‘Fjell, A. M., Walhovd, K. B., Fischl, B., & Reinvang, I. Cognitive function, P3a/P3b brain potentials, and cortical thickness in ageing. Human Brain Mapping, 28 (11), 1098-1116. doi:10.1002/hbm.20335’?

No, the publication year is missing.

Do researchers have to report insignificant data?

Yes, they need to report all data, whether significant or not.

What is the difference between the information that should be put in the results and discussion section?

In the results section, the researcher should insert the inferential data analysed, which could take the form of numerical numbers, graphs and figures. In this section, they should not discuss or explain the results. Instead, they should write it under the discussion heading. However, the data reported in the results section should not be repeated here.

What is a primary scientific report?

A primary scientific report is produced when the researchers conduct the research themselves.

What is a secondary scientific report?

Secondary scientific reports such as peer-reviews, meta-analysis and systematic reviews are a type of scientific report that scientists produce when the researcher answers their proposed research question using previously published findings.

What kind of details should be added in the discussion section?

What information should be provided in the procedure section of a scientific report?

Researchers need to add enough details of their study so that it can be .....

replicated.

When referring to another study the researcher should always          the original         .

credit, author. 

Meta-analyses and systematic reports are both examples of             research.

According to APA, six main headings should be included in a report, true or false? 

According to APA, the way to reference a book and journal is the same, true or false? 

After a paper is written, what is done? 

The paper is peer-reviewed.

What does peer-reviewing ensure?

Identify if the research is scientific, reliable, and valid and if it should be published in a psychological journal. 

Can researchers refer to raw data in their scientific report? 

Should researchers refer to their statistical findings to back what they are saying? 

No, data should not be referred to in the discussion. Instead, the researcher can describe what was found and the inferences that can be made from observed trends. 

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what is a report science

Learn how to prepare, write and structure a science report.

The purpose of a scientific report is to talk the reader through an experiment or piece of research you’ve done where you’ve generated some data, the decisions you made, what you found and what it means.

Lab or experimental reports in the Sciences have a very specific structure, which is often known as IMRAD :

Video introduction slide

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Whether it’s a shorter lab report or a longer research project or dissertation, science writing of this kind tends to be structured into those sections (or chapters, if it’s a long project or thesis). Empirical research in the Social Sciences which is based on data collection might also use this structure. You’ll probably recognise it too in many of the journal articles you’re reading. There are sometimes variations from this pattern – sometimes results and discussion are combined into one section, sometimes in a longer research project there is a separate literature review in addition to the introduction, or there might be a conclusion as well as the discussion. Social sciences reports might have a theory section too. Always look at the brief for the assignment you have been set, or ask your lecturer or supervisor if you aren’t sure.

As there is a conventional set structure to follow for scientific reports, the main issue tends to be not how to structure it, but knowing what to write in each section, and making sure the right things are in the right places. Each section is clearly marked out with subheadings with a distinct purpose and role in the report, and the reader will expect to find particular things in each part. To help you follow this structure and know which of your points goes where, it might be useful to think about what question each section answers for your reader, and also what type of writing is characteristic of that section – more descriptive (factual), or more analytical (interpretation).

Introduction

The introduction answers two questions, and is mostly descriptive, with more analysis if you’re writing up a research project rather than a lab report:

“What’s the issue here? What do we know about it?” DESCRIPTIVE

The introduction is usually around 15-20% of the report. It offers the reader some context and background information about the issue you’re exploring or the principle you’re verifying, to establish what we’re talking about and to outline what is known about the topic. In a shorter lab report, this is where you might use references to scientific literature, to show you have read about the subject and what you’re basing your understanding on. Keep this part as tightly focussed as you can and don’t be tempted to include lots of detail or go too broad. Think about what the reader needs to know to follow your report, rather than showing everything you’ve learned about the topic. The kind of writing you’re doing here is descriptive – mostly factual statements, backed up with references, to demonstrate your understanding of the background of your experiment or research.

“What are you trying to do and why?” ANALYTICAL

The introduction quickly moves on to the nature of the problem you’re trying to solve, hypothesis you are testing or research question you’re trying to answer. Again, you might want to make reference to other people’s research to demonstrate why this is a problem, what the debate might be or what exactly we don’t know. This kind of writing is higher level, as you’re analysing a problem and evaluating why this research needs to be done. In a research project, this is a very important section, as it’s the justification for your research, but in a lab experiment, you are demonstrating that you understand why this activity has been set rather than just following instructions. You would also state briefly what model, theory, approach or method you have chosen to take and why, what kind of research this is, but not in any detail yet.

Literature review

“What is the current state of knowledge and what don’t we know?” ANALYTICAL

If you are writing up a longer research project or dissertation, you will be doing far more reading with much more critical analysis of existing research and discussion of why yours needs to be undertaken. The introduction might therefore contain so much reference to the literature and so much more analysis that it’s better to add it as a separate section in its own right – the literature review. In a shorter lab report, the references to the literature are integrated within the introduction and tend to be more descriptive -what the literature says rather than what you think about it. In a social sciences report, the literature review might also contain a discussion of the theory you’re using.

“How did you do the research?” DESCRIPTIVE

The methods section really is a pretty straightforward description of what you did to perform the experiment, or collect and process the data. It is often relatively short, about 15-20% of the report, and because it describes what you did, it is written in the past tense, whereas the rest of the report is in the present tense. In a lab resport, it might even be largely based on the experiment brief you were given. Its purpose is to allow your research to be replicated, so it needs to be clear and detailed enough to let another researcher follow it and reproduce what you did, like a recipe. This allows the reader to know exactly how you gathered and processed your data and judge whether your method was appropriate, or if it has any limitations or flaws. The methods section describes what you actually did rather than what you ideally intended to do, so it also includes any places where you departed from your planned approach and things might have gone a bit wrong or unexpectedly. This will help you explain any unusual elements in your results. Depending on the kind of research you are doing, a methods section might list equipment or software used, describe a set up or process, list steps you took, detail models, theories or parameters you employed, describe experiment design, outline survey questions or explain how you chose the sample you studied. 

In a longer research project, you might include some more analytical discussion of why you chose those methods over alternative options, perhaps with some references to other studies which have used those approaches, but this would be part of your introduction or literature review.

“What did you find?​ What do the findings say?” DESCRIPTIVE

This section is where you present your findings, or data. This could take a number of forms, depending on the kind of research you’re doing -it could be text, but very often the data is presented as graphs, tables, images, or other kinds of figure. You might choose to include representative data, rather than all of the results. The results section is a meaty one, perhaps 30-40% of the report in terms of space and importance, but it is dense rather than long and wordy, as figures are often richer and more concise than words. How you represent your data is up to you, and depends on the observations you want to draw out of it.

The results section is one which many people find confusing to write. Its purpose is to present the data, but in a form which is easy for the reader to digest. The results section therefore has some explanation, so the reader knows what they are looking at. For example, it isn’t enough simply to give them a graph or table; there needs to be an explanation of what the figure is, what it contains and how to read it (for example, what the image is of and its scale, what the graph axes are or what the columns and rows in the table represent). You might also draw the reader’s attention to the main features of the data that you want them to notice, such as trends, patterns, correlations, noteworthy aspects or significant areas. However, the results section is mostly descriptive – it’s a slightly digested form of your raw data. It says what the findings are, what the data says, but it doesn’t tell the reader what the results mean – that’s the job of the discussion.

“What do the findings mean?” ANALYSIS

Results in themselves aren’t the full story. Two people can look at the same data, see two different things and interpret it in two different ways. The discussion is where you explain what you think the data means and what it proves. In doing so, you are making an argument, explaining the reasons why you think your interpretation of the data is correct, so this section is very analytical and therefore substantial, about 15-20%. In a discussion, you might be arguing that something is significant, or that it shows a connection, or is due to particular causes. You could comment on the impact of any limitations, how far the findings support your hypothesis, or what further work needs to be done and speculate on what it might find. You might also bring some references to the literature in here, to help support your arguments, explain your findings or show how they are consistent with other studies. The discussion section is likely to be one of the longer ones, as this is where your main argument is.

In some reports, the results and discussion sections are combined, but in general, resist the temptation to comment on your results as you present them, and save this for the later discussion section. Keep the factual results and the more subjective interpretation separate. If you are writing up a longer project, dissertation or thesis, you might have more than one results or discussion chapter to cover different aspects of your research.

“What’s the overall point you’re making? So what?”​  ANALYTICAL

If you have been asked to write a conclusion separately to the discussion, this is where you take a big step back from the detailed analysis of the data in your discussion, and summarise overall what you think your research has shown. You might comment on its significance or implications for our understanding of the topic you outlined in the introduction, or where it agrees or disagrees with other literature. You are making a judgement statement about the validity, quality and significance of your study and how it fits with existing knowledge. Some reports combine this with the discussion though. The conclusion is fairly short, about 5%, as you’re not adding new information, just summing it all up into your main overall message. It is analytical though, so although you are restating the points you’ve already made, you are synthesising it in a new way so your reader understands what the research has demonstrated and what has been learned from it.

Other elements

If you are writing a longer research project, dissertation or thesis, you would include an abstract at the beginning, summarising the whole report for the reader. The abstract is read separately from the report itself, as it helps the reader get a sense of what it contains and whether they want to read the whole thing.

At the end of the main report, you would include elements such as your reference list, and any appendices if you are using them. An appendix is generally used for elements which are long and detailed information, but which are not central to your points and which would disrupt the flow of the report if you included them in the main body.

Writing an IMRAD report

Although this order is the way a science report is structured, you don’t have to write it in this order. Many people begin with the more descriptive elements, the methods and results, and then write the more analytical sections around them. The method and results can be written up at an earlier stage of the research too, as you go, whereas the discussion can only be written once you’ve done the research and collected and analysed the data.

Checking your structure

When planning your writing or editing a draft, you could use this approach to help you check that you are following this structure.

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Structuring a science report.

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How to Write a Scientific Report | Step-by-Step Guide

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Got to document an experiment but don't know how? In this post, we'll guide you step-by-step through how to write a scientific report and provide you with an example.

what is a report science

Is your teacher expecting you to write an experimental report for every class experiment? Are you still unsure about how to write a scientific report properly? Don’t fear! We will guide you through all the parts of a scientific report, step-by-step.

How to write a scientific report:

What is a scientific report?

A scientific report documents all aspects of an experimental investigation. This includes:

Scientific reports allow their readers to understand the experiment without doing it themselves. In addition, scientific reports give others the opportunity to check the methodology of the experiment to ensure the validity of the results.

what is a report science

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A scientific report is written in several stages. We write the introduction, aim, and hypothesis before performing the experiment, record the results during the experiment, and complete the discussion and conclusions after the experiment.

But, before we delve deeper into how to write a scientific report, we need to have a science experiment to write about! Read our 7 Simple Experiments You Can Do At Home article and see which one you want to do.

blog-how-to-write-a-scientific-report-experiment

General rules about writing scientific reports

Learning how to write a scientific report is different from writing English essays or speeches!

You have to use:

Structure of scientific reports:

Now that you know the general rules on how to write scientific reports, let’s look at the conventions for their structure!

The title should simply introduce what your experiment is about.

The Role of Light in Photosynthesis

2. Introduction/Background information

Write a paragraph that gives your readers background information to understand your experiment.

This includes explaining scientific theories, processes and other related knowledge.

Photosynthesis is a vital process for life. It occurs when plants intake carbon dioxide, water, and light, and results in the production of glucose and water. The light required for photosynthesis is absorbed by chlorophyll, the green pigment of plants, which is contained in the chloroplasts.

The glucose produced through photosynthesis is stored as starch, which is used as an energy source for the plant and its consumers.

The presence of starch in the leaves of a plant indicates that photosynthesis has occurred.

blog-how-to-write-a-scientific-report-photosynthesis

The aim identifies what is going to be tested in the experiment. This should be short, concise and clear.

The aim of the experiment is to test whether light is required for photosynthesis to occur.

4. Hypothesis

The hypothesis is a prediction of the outcome of the experiment. You have to use background information to make an educated prediction.

It is predicted that photosynthesis will occur only in leaves that are exposed to light and not in leaves that are not exposed to light. This will be indicated by the presence or absence of starch in the leaves.

5. Risk assessment

Identify the hazards associated with the experiment and provide a method to prevent or minimise the risks. A hazard is something that can cause harm, and the risk is the likelihood that harm will occur from the hazard.

A table is an excellent way to present your risk assessment.

Remember, you have to specify the  type of harm that can occur because of the hazard. It is not enough to simply identify the hazard.

blog-how-to-write-a-scientific-report-photosynthesis-risk

The method has 3 parts:

Let’s break down what you need to do for each section.

6a. Materials

This must list every piece of equipment and material you used in the experiment.

Remember, you need to also specify the amount of each material you used.

blog-how-to-write-a-scientific-report-photosynthesis-material

The rule of thumb is that you should write the method in a clear way so that readers are able to repeat the experiment and get similar results.

Using a numbered list for the steps of your experimental procedure is much clearer than writing a whole paragraph of text.  The steps should:

You also need to use past tense and passive voice when you are writing your method. Scientific reports are supposed to show the readers what you did in the experiment, not what you will do.

6c. Diagram

After you finish your steps, it is time to draw your scientific diagrams! Here are some rules for drawing scientific diagrams:

blog-how-to-write-a-scientific-report-scientific-diagram-photosynthesis

This is where you document the results of your experiment. The data that you record for your experiment will generally be qualitative and/or quantitative.

Qualitative data is data that relates to qualities and is based on observations (qualitative – quality). This type of data is descriptive and is recorded in words. For example, the colour changed from green to orange, or the liquid became hot.

Quantitative data refers to numerical data (quantitative – quantity). This type of data is recorded using numbers and is either measured or counted. For example, the plant grew 5.2 cm, or there were 5 frogs.

You also need to record your results in an appropriate way. Most of the time, a table is the best way to do this.

Here are some rules to using tables

Note : If your results require calculations, clearly write each step.

Observations of the effects of light on the amount of starch in plant leaves.

blog-how-to-write-a-scientific-report-photosynthesis-results

If quantitative data was recorded, the data is often also plotted on a graph.

8. Discussion

The discussion is where you analyse and interpret your results, and identify any experimental errors or possible areas of improvements.

You should divide your discussion as follows.

1. Trend in the results

Describe the ‘trend’ in your results. That is, the relationship you observed between your independent and dependent variables.

The independent variable is the variable that you are changing in the experiment. In this experiment, it is the amount of light that the leaves are exposed to.

The dependent variable is the variable that you are measuring in the experiment, In this experiment, it is the presence of starch in the leaves.

Explain how a particular result is achieved by referring to scientific knowledge, theories and any other scientific resources you find. 2. Scientific explanation: 

The presence of starch is indicated when the addition of iodine causes the leaf to turn dark purple. The results show that starch was present in the leaves that were exposed to light, while the leaves that were not exposed to light did not contain starch.

2. Scientific explanation:

Provide an explanation of the results using scientific knowledge, theories and any other scientific resources you find.

As starch is produced during photosynthesis, these results show that light plays a key role in photosynthesis.

3. Validity 

Validity refers to whether or not your results are valid. This can be done by examining your variables.

VA lidity =  VA riables

Identify the independent, dependent, controlled variables and the control experiment (if you have one).

The controlled variables are the variables that you keep the same across all tests e.g. the size of the leaf sample.

The control experiment is where you don’t apply an independent variable. It is untouched for the whole experiment.

Ensure that you never change more than one variable at a time!

The independent variable of the experiment was amount of light that the leaves were exposed to (the covered and uncovered geranium leaf), while the dependent variable was the presence of starch. The controlled variables were the size of the leaf sample, the duration of the experiment, the amount of time the solutions were heated, and the amount of iodine solution used.

4. Reliability 

Identify how you ensured the reliability of the results.

RE liability = RE petition

Show that you repeated your experiments, cross-checked your results with other groups or collated your results with the class.

The reliability of the results was ensured by repeating the experiment 5 times and comparing results with other groups. Since other groups obtained comparable results, the results are reliable.

5. Accuracy

Accuracy should be discussed if your results are in the form of quantitative data, and there is an accepted value for the result.

Accuracy would not be discussed for our example photosynthesis experiment as qualitative data was collected, however it would if we were measuring gravity using a pendulum:

The measured value of gravity was 9.8 m/s 2 , which is in agreement with the accepted value of 9.8 m/s 2 .

6. Possible improvements 

Identify any errors or risks found in the experiment and provide a method to improve it.

If there are none, then suggest new ways to improve the experimental design, and/or minimise error and risks.

blog-how-to-write-a-scientific-report-improve

Possible improvements could be made by including control experiments. For example, testing whether the iodine solution turns dark purple when added to water or methylated spirits. This would help to ensure that the purple colour observed in the experiments is due to the presence of starch in the leaves rather than impurities.

9. Conclusion

State whether the aim was achieved, and if your hypothesis was supported.

The aim of the investigation was achieved, and it was found that light is required for photosynthesis to occur. This was evidenced by the presence of starch in leaves that had been exposed to light, and the absence of starch in leaves that had been unexposed. These results support the proposed hypothesis.

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Scientific Report definition

Examples of scientific report in a sentence.

Scientific Report of the 2020 Dietary Guidelines Advisory Committee: Advisory Report to the Secretary of Agriculture and the Secretary of Health and Human Services.

Scientific Report of the 2015 Dietary Guidelines Advisory Committee.

Scientific Report of the 2015 Dietary Guidelines Advisory Committee: Advisory Report to the Secretary of Health and Human Services and the Secretary of Agriculture.

Date of delivery of the Final Report / Final Scientific Report of the Project: On or before the date set by the Provider and published on its website (www.gacr.cz).

Scientific Report : Management of the Hydrological Risks of the IAS.

Unless the Provider specifies a different deadline for the Final Report, Final Scientific Report , and Final Financial Report, the Beneficiary shall also be obliged to draw up and deliver those reports to the Provider by the deadline as defined above.

You will submit Your final Financial and Scientific Report via email to the Program Coordinator no later than 45 days after the grant end date.

All GCE awardees must prepare and submit a Final Financial and Scientific Report .

A summary of this review is included in the 2020 Advisory Committee’s Scientific Report available at www.DietaryGuidelines.gov.

As part of the Project process, the Beneficiary is obliged to submit to the Provider the Interim Report / Interim Financial Report / Interim Scientific Report / the Final Report / Final Scientific Report by the deadline(s) pursuant to Article I.

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Development Report means a written account of Licensee’s progress under the Development Plan having at least the information specified on Appendix B to this Agreement, and shall be sent to the address specified on Appendix B.

Periodic Report means the Company’s quarterly report on Form 10-Q or annual report on Form 10-K, as applicable.

CREFC® Operating Statement Analysis Report The monthly report in the “Operating Statement Analysis Report” format substantially in the form of and containing the information called for therein for the Mortgage Loans, or such other form for the presentation of such information as may be approved from time to time by the CREFC® for commercial mortgage securities transactions generally.

RBC report means the report required in 33-2-1903.

CMSA Operating Statement Analysis Report means a report substantially in the form of, and containing the information called for in, the downloadable form of the "Operating Statement Analysis Report" available as of the Closing Date on the CMSA Website or in such other form for the presentation of such information and containing such additional information as may from time to time be approved by the CMSA for commercial mortgage-backed securities transactions generally.

Operating Statement Analysis Report format substantially in the form of and containing the information called for therein for the Mortgage Loans, or such other form for the presentation of such information as may be approved from time to time by the CREFC® for commercial mortgage securities transactions generally.

Peer-reviewed medical literature means a scientific study published only after having been critically

GLJ Report means the independent engineering reserves evaluation of certain oil, NGL and natural gas interests of the Company prepared by GLJ dated February 11, 2022 and effective December 31, 2021.

Compliance Statement is that certain statement in the form attached hereto as Exhibit B.

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Rapidly report means within 72 hours of discovery of any cyber incident.

SEC Filings has the meaning set forth in Section 4.6.

SOS Reports means the official reports from the Secretaries of State of each Collateral State, Chief Executive Office State and the Borrower State and other applicable federal, state or local government offices identifying all current security interests filed in the Collateral and Liens of record as of the date of such report.

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Progress Report means the report similar in form and content to that attached hereto as Appendix III.

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MI Reporting Template means the form of report set out in the Annex to Framework Schedule 8 (Management Information) setting out the information the Supplier is required to supply to the Authority;

Information Package means the most recent compilation of financial and other data with respect to the Failed Bank, including any amendments or supplements thereto, provided to the Assuming Institution by the Corporation on the web site used by the Corporation to market the Failed Bank to potential acquirers.

Program Know-How means any and all Know-How discovered, identified, conceived, reduced to practice or otherwise made, as necessary to establish authorship, inventorship or ownership under applicable United States law as such law exists as of the Effective Date irrespective of where such discovering, identifying, conception, reduction to practice or other making occurs, in the course of or as a result of or related to the development activities under this Agreement, including pursuant to a Development Plan, or any Commercialization activities to the extent such Know-How relates predominantly to the Commercialization of a Product and is not predominately applicable to the marketing, promoting, detailing, offering for sale, selling, distributing, or conducting other similar activities related to the commercial sale of pharmaceutical products generally (a) solely by one or more employees of or consultants to Arena or any of its Affiliates, (b) solely by one or more employees of or consultants to Eisai or any of its Affiliates or Sub-distributors (to the extent such Sub-distributors are required to assign or license such Know-How to Eisai), or (c) jointly by one or more employees of or consultants to Arena or any of its Affiliates, on the one hand, and one or more employees of or consultants to Eisai or any of its Affiliates or Sub-distributors (to the extent such Sub-distributors are required to assign or license such Know-How to Eisai), on the other hand; but excluding all Know-How discovered, identified, conceived, reduced to practice or otherwise made by or on behalf of Arena or any of its Affiliates pursuant to (x) any manufacturing activity relating to Compound or Product, or (y) any activities outside of a Development Plan.

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This section describes an organizational structure commonly used to report experimental research in many scientific disciplines, the IMRAD format: I ntroduction, M ethods, R esults, And D iscussion.

When and when not to use the IMRAD format

Although most scientific reports use the IMRAD format, there are some exceptions.

This format is usually not used in reports describing other kinds of research, such as field or case studies, in which headings are more likely to differ according to discipline. Although the main headings are standard for many scientific fields, details may vary; check with your instructor, or, if submitting an article to a journal, refer to the instructions to authors.

Developing a Title

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What to avoid:

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The Introduction

Guidelines for effective scientific report introductions.

What is the problem?

Why is it important?

What solution (or step toward a solution) do you propose?

Methods Section

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How did you study the problem?

What did you use?

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The section below offers some questions asked for effective results sections in scientific reports.

What did you observe?

For each experiment or procedure:

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The table below offers some questions effective discussion sections in scientific reports address.

What do your observations mean?

What conclusions can you draw?

For each major result:

How do your results fit into a broader context?

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Short report

Short reports are suitable for the presentation of research that extends previously published research, including the reporting of additional controls and confirmatory results in other settings, as well as negative results. Authors must clearly acknowledge any work upon which they are building, both published and unpublished.

Short reports should be no longer than 2500 words.

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All manuscripts submitted to  Implementation Science  must include a bulleted statement describing what the paper, if published, would add to the literature in implementation science. The statement should consist of three to five bullet points of no more than 100 words in total. Authors should not simply restate their findings or conclusions; the statement must contextualize the paper in the full implementation science literature and provide a succinct statement about what it adds. The statement will be useful in assessing priority for publication and, once having undergone peer review and acceptance with the manuscript, will be included at the beginning of the published article both in the HTML and PDF formats. The statement should be in lay language and understandable to all readers, written for readers of moderate English literacy. The statement should be inserted immediately after the abstract within the manuscript file under the heading 'Contributions to the literature.' To view a published example, please see here . 

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Every manuscript submitted should include a checklist appropriate for the study design or type of report, and note that in some cases it may be appropriate to include more than one checklist. For example, manuscripts reporting testing of an implementation intervention should include either the TIDIeR or STARi checklists for the intervention, as well as a checklist appropriate to the evaluation study design (for example, CONSORT for randomized controlled trials).

A library of reporting guidelines can be found via the EQUATOR Network . The completed checklist(s) should be provided as an Additional file and referenced in the text.

Authors should use their discretion in selecting the appropriate checklist(s) from the EQUATOR Network website. During the submission process, authors will be requested to briefly indicate the reason for their decision to select the checklist(s) used. Submissions received without these elements will be returned to the authors as incomplete. If the Editors deem the submitted checklist insufficient, they may request completion of an additional checklist before sending the manuscript out for review.

It is understood that for some studies certain aspects of the report may not comply fully with the pre-specified checklist. The checklist will not be used as a tool for judging the suitability of manuscripts for publication in  Implementation Science , but is intended as an aid to authors to clearly, completely, and transparently let reviewers and readers know what authors did and found. Using these guidelines in writing the report, completing the checklist, and constructing a flow diagram are likely to optimize the quality of reporting and make the peer review process more efficient.

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All sources of funding for the research reported should be declared. The role of the funding body in the design of the study and collection, analysis, and interpretation of data and in writing the manuscript should be declared.

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Please use initials to refer to each author's contribution in this section, for example: "FC analyzed and interpreted the patient data regarding the hematological disease and the transplant. RH performed the histological examination of the kidney, and was a major contributor in writing the manuscript. All authors read and approved the final manuscript."

Please acknowledge anyone who contributed towards the article who does not meet the criteria for authorship including anyone who provided professional writing services or materials.

Authors should obtain permission to acknowledge from all those mentioned in the Acknowledgements section.

See our editorial policies for a full explanation of acknowledgements and authorship criteria.

If you do not have anyone to acknowledge, please write "Not applicable" in this section.

Group authorship (for manuscripts involving a collaboration group): if you would like the names of the individual members of a collaboration Group to be searchable through their individual PubMed records, please ensure that the title of the collaboration Group is included on the title page and in the submission system and also include collaborating author names as the last paragraph of the “Acknowledgements” section. Please add authors in the format First Name, Middle initial(s) (optional), Last Name. You can add institution or country information for each author if you wish, but this should be consistent across all authors.

Please note that individual names may not be present in the PubMed record at the time a published article is initially included in PubMed as it takes PubMed additional time to code this information.

Authors' information

This section is optional.

You may choose to use this section to include any relevant information about the author(s) that may aid the reader's interpretation of the article, and understand the standpoint of the author(s). This may include details about the authors' qualifications, current positions they hold at institutions or societies, or any other relevant background information. Please refer to authors using their initials. Note this section should not be used to describe any competing interests.

Footnotes can be used to give additional information, which may include the citation of a reference included in the reference list. They should not consist solely of a reference citation, and they should never include the bibliographic details of a reference. They should also not contain any figures or tables.

Footnotes to the text are numbered consecutively; those to tables should be indicated by superscript lower-case letters (or asterisks for significance values and other statistical data). Footnotes to the title or the authors of the article are not given reference symbols.

Always use footnotes instead of endnotes.

Examples of the Vancouver reference style are shown below.

See our editorial policies for author guidance on good citation practice

Web links and URLs: All web links and URLs, including links to the authors' own websites, should be given a reference number and included in the reference list rather than within the text of the manuscript. They should be provided in full, including both the title of the site and the URL, as well as the date the site was accessed, in the following format: The Mouse Tumor Biology Database. http://tumor.informatics.jax.org/mtbwi/index.do . Accessed 20 May 2013. If an author or group of authors can clearly be associated with a web link, such as for weblogs, then they should be included in the reference.

Example reference style:

Article within a journal

Smith JJ. The world of science. Am J Sci. 1999;36:234-5.

Article within a journal (no page numbers)

Rohrmann S, Overvad K, Bueno-de-Mesquita HB, Jakobsen MU, Egeberg R, Tjønneland A, et al. Meat consumption and mortality - results from the European Prospective Investigation into Cancer and Nutrition. BMC Medicine. 2013;11:63.

Article within a journal by DOI

Slifka MK, Whitton JL. Clinical implications of dysregulated cytokine production. Dig J Mol Med. 2000; doi:10.1007/s801090000086.

Article within a journal supplement

Frumin AM, Nussbaum J, Esposito M. Functional asplenia: demonstration of splenic activity by bone marrow scan. Blood 1979;59 Suppl 1:26-32.

Book chapter, or an article within a book

Wyllie AH, Kerr JFR, Currie AR. Cell death: the significance of apoptosis. In: Bourne GH, Danielli JF, Jeon KW, editors. International review of cytology. London: Academic; 1980. p. 251-306.

OnlineFirst chapter in a series (without a volume designation but with a DOI)

Saito Y, Hyuga H. Rate equation approaches to amplification of enantiomeric excess and chiral symmetry breaking. Top Curr Chem. 2007. doi:10.1007/128_2006_108.

Complete book, authored

Blenkinsopp A, Paxton P. Symptoms in the pharmacy: a guide to the management of common illness. 3rd ed. Oxford: Blackwell Science; 1998.

Online document

Doe J. Title of subordinate document. In: The dictionary of substances and their effects. Royal Society of Chemistry. 1999. http://www.rsc.org/dose/title of subordinate document. Accessed 15 Jan 1999.

Online database

Healthwise Knowledgebase. US Pharmacopeia, Rockville. 1998. http://www.healthwise.org. Accessed 21 Sept 1998.

Supplementary material/private homepage

Doe J. Title of supplementary material. 2000. http://www.privatehomepage.com. Accessed 22 Feb 2000.

University site

Doe, J: Title of preprint. http://www.uni-heidelberg.de/mydata.html (1999). Accessed 25 Dec 1999.

Doe, J: Trivial HTTP, RFC2169. ftp://ftp.isi.edu/in-notes/rfc2169.txt (1999). Accessed 12 Nov 1999.

Organization site

ISSN International Centre: The ISSN register. http://www.issn.org (2006). Accessed 20 Feb 2007.

Dataset with persistent identifier

Zheng L-Y, Guo X-S, He B, Sun L-J, Peng Y, Dong S-S, et al. Genome data from sweet and grain sorghum (Sorghum bicolor). GigaScience Database. 2011. http://dx.doi.org/10.5524/100012 .

Figures, tables and additional files

See  General formatting guidelines  for information on how to format figures, tables and additional files.

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