How to Write a Report in Psychology: An In-Depth Guide for Students and Early-Career Professionals

Oct 11

9 min read

1. Why writing is part of psychological work

In psychology, the written text is often the only lasting record of what happened in an interview, an assessment, or a traineeship. The reader was not there: they know only what we write. A report is therefore not a bureaucratic formality but a professional act with real consequences. It can guide a clinical decision, a referral to another service, an educational pathway, or advice given to a client (Groth-Marnat & Wright, 2016; Lichtenberger et al., 2004).

Writing also forces us to clarify our own reasoning. Tallent (1993) emphasizes that the report is where the information gathered is integrated and turned into a communication useful to those who must act on it. If we cannot explain in writing how we concluded, that reasoning is probably not yet solid enough.

2. Traineeship report, professional report, feedback: three genres, three readers

In practice the terms overlap, but it is worth distinguishing at least three situations.

The traineeship (or lab, or exam) report. This is an educational, mostly discursive text. It describes an experience or an observation and offers a critical reading of it in light of theory. The reader is an instructor or supervisor, who also evaluates the ability to connect practice and theory.

The professional report (assessment, consultation). This is a more concise and structured document that answers a specific question posed by a requester: a colleague, a service, a court, a school. Ownby (1997) stresses the importance of starting from the referral question, because it determines which information to include and which to leave out.

The written feedback to the client. Its reader is not a specialist, so it requires accessible language without loss of accuracy. Research on the readability of psychological reports shows that texts are often harder than their recipients can handle (Harvey, 1997).

The question to start from is always the same: who will read this text, what do they already know, and what do they need to be able to do with it? The answer shapes the length, the level of technical language, and even the order of the sections.

3. Structure: a path designed for the reader

3.1 The basic model

For empirical texts, the shared reference is the sequence of introduction, method, results, and discussion, codified in APA guidelines (American Psychological Association [APA], 2020) and described by Bem (2003) as a story that must guide the reader from the question to the answer. Adapted to reports, the structure can become:

Introduction. Context, reason for the work, objectives or question.
Method. What was done, with which tools, over what time period, with which people or in which service.
Results or observations. What emerged, described in an orderly way without anticipating interpretation.
Discussion. Reading the data in light of theory, the literature, and the limits of the work.
Conclusions. Summary and, where relevant, practical recommendations or possible developments.

3.2 What goes in each section

Introduction. It should answer three questions: what is being discussed, why it is relevant, and what the work aims to do. In a traineeship report, this means briefly presenting the service, the role performed, and the learning objectives. In a professional report, it means stating the question and the essential background information.

Method. The guiding criterion is the transparency of the reasoning: a competent reader should understand what was done and with which tools, even if they could not repeat it exactly. In assessment reports, the instruments used and the administration conditions that may influence results are indicated (Lichtenberger et al., 2004).

Results. This is the most factual section. What was observed or measured is described in an orderly form, using tables or figures only when they reduce the reading load. Here we do not comment: we report.

Discussion. This is where the reasoning happens. Results are connected to theory, alternative explanations are considered, and limitations are stated (small sample, non-standardized instruments, observations collected in a single context). Discussing limitations does not weaken the work; it increases its credibility.

Conclusions. They must answer the initial question. A simple coherence rule: every objective declared in the introduction must find an answer in the conclusions, and nothing should appear in the conclusions that was not discussed earlier.

3.3 When the structure changes

There is no universal template. Many services, professional bodies, universities, and courts have their own models. The first step is therefore to ask for or look up the formal requirements, and to fall back on a general structure only in their absence.

4. Data and interpretations: the heart of written clinical thinking

4.1 The distinction

A datum is what is observed or measured: “During the interview, the client looked away on several occasions, especially when talking about family relationships.” An interpretation is the inference we draw from it: “The client seems uncomfortable discussing family matters.” A hypothesis is an interpretation declared as such and therefore open to verification.

4.2 Why it matters so much

Psychology relies heavily on inference, and inferences are subject to distortion. One of the best documented is confirmation bias, the tendency to seek out, notice, and remember information that supports what we already think (Nickerson, 1998). In a report, the risk is selecting, even unintentionally, only the data consistent with the initial hypothesis. The literature on clinical judgment also shows that evaluations based solely on subjective judgment can be less accurate than those integrating standardized procedures (Grove et al., 2000). The result is a cautious writing practice: making explicit what each conclusion is based on.

4.3 How to do it in practice

Separate description from interpretation, even visually, using distinct paragraphs or sections.
Signal the degree of certainty with graded wording (“the data suggest,” “are compatible with,” “do not allow us to rule out”) rather than categorical statements.
Also report information that does not confirm the main hypothesis.
State the source of each piece of information: direct observation, the client’s account, documentation, tests.

4.4 An example

Weak wording: “The child is aggressive and does not follow rules.”

Better wording: “Over three classroom observations of about one hour each, the child pushed classmates on four occasions, twice during transitions between activities. Teachers report similar episodes in the cafeteria. These behaviors may be related to difficulty managing transitions, a hypothesis to be verified with further observation.”

The second version is longer, but it allows the reader to evaluate, challenge, and use the information.

5. Style: precision without obscurity

5.1 General principles

The APA manual (2020) recommends a clear, precise, unambiguous style, with logical continuity between sentences and paragraphs, careful use of technical terms, and a register suited to the audience. Pinker (2014) argues, from a cognitive psychology perspective, that the difficulty of many academic texts depends partly on the so-called “curse of knowledge”: those who know a subject well struggle to remember what the reader does not. Sword (2012), analyzing the work of particularly effective academics, shows that successful writing is often concrete, orderly, and attentive to the reader, not rich in jargon.

5.2 Concrete practices

Short, linear sentences. If a sentence needs two readings, rewrite it.
One main idea per paragraph, announced in the first sentence.
Precise technical terms, explained if the reader may not know them.
No value judgments or vague adjectives (“strange,” “peculiar,” “very,” “problematic” without further specification).
Verbs instead of abstract nouns. “The client discontinued treatment” is clearer than “a discontinuation of treatment occurred.”
Terminological consistency. If you call someone a “client,” don’t call them a “patient” in the next paragraph without a reason.
Respectful, person-centered language, avoiding diagnostic labels used as identity adjectives (better “a person diagnosed with…” than “a schizophrenic”). The APA guidelines (2020) devote considerable space to bias-free language.

5.3 Writing regularly

Many writing difficulties are not about style but about work method. Silvia (2007) proposes treating writing as a scheduled habit, with short, regular sessions, rather than an activity that waits for inspiration. For those writing traineeship reports, a practical approach is to note observations and doubts right after each day of service, so as not to reconstruct everything from memory at the drafting stage.

6. Citing and documenting

6.1 Why cite

Every theoretical or empirical claim that is not the product of your own work must be supported by a source. Citing acknowledges others’ work, allows the reader to verify, and distinguishes what we know from what we are proposing.

6.2 The basics of APA 7 style

In the text, author and year are given, either narratively (“Silvia (2007) proposes…”) or in parentheses (“…as a regular habit (Silvia, 2007)”). With two authors, “and” is used in running text and “&” within parentheses. With three or more, the first author is cited followed by et al. At the end, a reference list in alphabetical order, with hanging indent, contains all and only the sources cited (APA, 2020).

6.3 Frequent errors

Listing in the bibliography sources never cited in the text, or vice versa.
Using secondary sources as if they were primary.
Paraphrasing too closely to the original without citing.
Mixing different styles in the same document.
Blindly trusting automatic bibliography formatting tools, which often produce errors.

7. Ethics, confidentiality, and responsibility

Reports describe real people, and this entails specific obligations. Information such as names, places, dates, occupations, and biographical details can, in combination, make a person identifiable even when the name is omitted. In educational texts, good practice is to anonymize carefully, alter non-essential details, and, where necessary, obtain consent. Health-related data fall within the special categories of personal data protected by Regulation (EU) 2016/679 (2016). For the profession, the ethical reference is the Code of Ethics of Italian Psychologists (Consiglio Nazionale Ordine degli Psicologi [CNOP], n.d.), to be consulted in its current version, particularly for the rules on confidentiality and professional secrecy.

A further responsibility concerns the use others will make of the text. A report may be read by people other than those intended and in different contexts. It is therefore worth asking: if this document fell into the wrong hands, or were read out of context, what could it cause? If the answer is worrying, the level of detail can be reduced, or the intended recipient and purpose of the document can be specified.

8. Common mistakes and how to avoid them

Mistake	How to fix it
Writing everything you know	Select based on the question and the reader
Describing without interpreting, or interpreting without data	Keep the two levels separate and link them explicitly
Excessive jargon	Explain or replace little-known terms
Conclusions that do not answer the objectives	Reread the introduction before closing
Overly categorical statements	Grade the certainty
Copy-pasting standard phrases	Personalize and check they fit the case
Inconsistent bibliography	Check each citation one by one

9. The revision process

Revising is a distinct phase from writing. Some useful strategies:

Distance. Let the text rest for a few hours, ideally a day, before rereading it.
Layered rereading. First the structure (does the order make sense?), then the paragraphs (does each have a clear idea?), finally the sentences and typos.
Consistency check. Objectives, results, and conclusions must correspond.
Reading aloud. The places where you stumble are almost always sentences to rewrite.
Reading by someone else, ideally someone unfamiliar with the case: if they don’t understand, the problem is in the text.
Cutting. Remove repetitions, unnecessary preambles, and details not needed for the question. Almost every first draft improves by being shortened.

10. A final checklist

Before submitting or sending a document, it can be useful to ask:

Are the recipient and purpose clear from the first lines?
Does the structure follow the requested guidelines?
Are data and interpretations distinguishable?
Have I stated the limitations of the work?
Are the claims proportionate to the available information?
Is the language understandable to the reader and respectful of the people involved?
Are sources cited correctly and is the final list complete?
Have I protected the confidentiality of everyone involved?
Have I reread the text at least once after some time away from it?

Conclusion

Writing a good report means thinking well: understanding whom you are addressing, organizing information, distinguishing what you observed from what you hypothesize, and taking responsibility for what you claim. It is a skill built through practice, feedback, and revision, and in psychology it largely coincides with the quality of professional work.

References

American Psychological Association. (2020). Publication manual of the American Psychological Association (7th ed.). https://doi.org/10.1037/0000165-000

Bem, D. J. (2003). Writing the empirical journal article. In J. M. Darley, M. P. Zanna, & H. L. Roediger III (Eds.), The compleat academic: A career guide (2nd ed., pp. 185–219). American Psychological Association.

Consiglio Nazionale Ordine degli Psicologi. (n.d.). Codice deontologico degli psicologi italiani [Code of ethics of Italian psychologists]. https://www.psy.it

Eco, U. (1977). Come si fa una tesi di laurea [How to write a thesis]. Bompiani.

Grove, W. M., Zald, D. H., Lebow, B. S., Snitz, B. E., & Nelson, C. (2000). Clinical versus mechanical prediction: A meta-analysis. Psychological Assessment, 12(1), 19–30. https://doi.org/10.1037/1040-3590.12.1.19

Groth-Marnat, G., & Wright, A. J. (2016). Handbook of psychological assessment (6th ed.). Wiley.

Harvey, V. S. (1997). Improving readability of psychological reports. Professional Psychology: Research and Practice, 28(3), 271–274. https://doi.org/10.1037/0735-7028.28.3.271

Lichtenberger, E. O., Mather, N., Kaufman, N. L., & Kaufman, A. S. (2004). Essentials of assessment report writing. Wiley.

Nickerson, R. S. (1998). Confirmation bias: A ubiquitous phenomenon in many guises. Review of General Psychology, 2(2), 175–220. https://doi.org/10.1037/1089-2680.2.2.175

Ownby, R. L. (1997). Psychological reports: A guide to report writing in professional psychology (3rd ed.). Wiley.

Pinker, S. (2014). The sense of style: The thinking person’s guide to writing in the 21st century. Viking.

Regulation (EU) 2016/679 of the European Parliament and of the Council of 27 April 2016 on the protection of natural persons with regard to the processing of personal data. (2016).

Official Journal of the European Union, L 119. https://eur-lex.europa.eu/eli/reg/2016/679/oj

Silvia, P. J. (2007). How to write a lot: A practical guide to productive academic writing. American Psychological Association.

Sword, H. (2012). Stylish academic writing. Harvard University Press.

Tallent, N. (1993). Psychological report writing (4th ed.). Prentice Hall.