Psychology MCQs
Learn core psychology concepts through original practice questions with explanations.
Review learning, memory, motivation, emotion, social behaviour and research methods. Questions are educational practice—not a clinical assessment.
Which method best tests whether one variable causes a change in another under controlled conditions?
Important interpretation note
This is general educational practice. Its results do not diagnose a person, measure IQ, determine job suitability or predict selection by any institution.
A standardised psychological test requires appropriate evidence, population, language and a clearly defined use.