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Debriefing in AP Psychology

Debriefing is the ethical step at the end of a study where researchers explain the study's true purpose and procedures, reveal any deception, and answer participants' questions. It also includes checking that participants leave without lasting stress, embarrassment, or confusion, and addressing any harm the study may have caused.

This definition is part of Fiveable's AP Psychology review, which also has guided practice questions.

Verified for the 2027 AP Psychology exam•Last updated November 2026•Fiveable Content Team

Why a cover story or confederate makes the debrief non-negotiable

Debriefing carries the most weight when a study uses deception. That includes a cover story about the purpose, false feedback on a test, or a confederate (someone working for the researcher who pretends to be another participant).

Ethical guidelines allow deception only when the research question can't be answered honestly and the deception won't cause serious harm. An Institutional Review Board (IRB) reviews that decision before the study runs. Even when deception is approved, participants have to learn the truth afterward, and the debrief is where they learn it.

One wrong assumption to avoid is that debriefing makes any deception acceptable. It doesn't. A debrief can't fix deception that was unnecessary or that caused real harm. It's the required follow-up to deception that was justified in the first place. Debriefing also isn't limited to deception studies. Researchers should explain the purpose to participants even when nobody was misled.

Checking a study scenario for a missing debrief

Debriefing doesn't belong to one numbered unit. It's assessed through the course skill of evaluating whether a research scenario followed appropriate ethical procedures (skill 2.D). The bigger question is whether a study was designed well, and ethics counts as part of design in both experiments and non-experimental methods (2.B and 2.C). That means the study you're judging could be about memory, conformity, sleep, or child development.

In multiple-choice sets and standalone questions, you'll get a short study description and an ethics question about it. Stems ask which guideline the researcher violated or what the researcher should have done after data collection. The clue is usually a confederate, a fake purpose, or a stressful task, followed by the participants simply leaving. If the description says participants left without being told the truth, debriefing is the gap.

If the description just doesn't mention what happened after the study, that silence alone doesn't prove debriefing was skipped. Look for other details in the scenario before concluding that a violation occurred.

Eliminate choices carefully. Confidentiality concerns protecting participants' identities and data. Non-maleficence concerns avoiding harm throughout the study. Informed consent comes at the start. If the problem is about what happened after the study ended, debriefing is the fit.

Writing up debriefing in Article Analysis part D

In the Article Analysis question, you read a summarized research article, and part D asks you to pick one ethical guideline described in the summary, identify it, and describe how the researchers applied it. If the summary mentions a debrief, it's a strong pick, especially when the study used deception, because you can describe exactly what the debrief had to correct.

Naming the guideline alone doesn't earn much. Tie it to what happened in the study. Here's an example of the move:

The researchers used debriefing. Because participants were told the study was about taste preferences when it actually measured how a confederate's choices influenced theirs, the researchers explained the real purpose after the session, revealed that the other "participant" was part of the study, and checked that no one was upset about being misled.

That answer identifies the guideline, points to the deception that made it necessary, and states what the researchers did. Stick to what the summary actually says. If the article only mentions that participants were "debriefed," describe debriefing in general terms rather than inventing details the researchers didn't report.