GCSE Psychology Revision

Research Methods

Experiments, sampling, variables, ethics and how psychologists collect and analyse data.

Research Methods is a core part of GCSE Psychology. Revise the key concepts and common mistakes below, then lock them in with the free games.

Key concepts

ExperimentManipulates an independent variable to measure an effect.
HypothesisA testable prediction.
VariablesIndependent, dependent and controlled variables.
SamplingSelecting a representative group from a population.
EthicsConsent, confidentiality and protection from harm.
Data analysisDescriptive and inferential statistics.

Common mistakes to avoid

Questions where students often pick the tempting wrong answer — make sure you know the right one:

When is deception in research ever acceptable?✗ Never - deception is always banned.   ✓ When demand characteristics would otherwise invalidate the study, with thorough debrief and ethics approval.
In Pavlov's experiment, what is the conditioned response?✗ Salivation to the food (which is automatic).   ✓ Salivation to the bell alone, after pairing with food.

Practise Research Methods — free games

Test yourself with these quick revision games for this topic:

▶ Two Truths, One Lie▶ Reveal Race▶ Connections Grid▶ Falling Words▶ Word Web

See all 17 games in the Subjects Arcade →

More GCSE Psychology topics

Memory & PerceptionDevelopment & AttachmentSocial InfluenceBrain & NeuropsychologyMental Health & TherapyLanguage, Thought & CommunicationCriminal PsychologySleep & Dreaming

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