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CAIE A-Level Psychology Experiments Question Bank

Practise defining and designing experiments through manipulated variables, measured outcomes, participant allocation, controls and evaluation of causal evidence.

Syllabus
2028–2030
Course
Psychology 9990
Level
AS

Exam points

  • state the manipulated IV, measured DV and controlled procedure before claiming a causal effect
  • identify independent, repeated or matched-pairs design from who completes each condition
  • explain control, counterbalancing or design choices through validity, reliability and participant effects

Experiments question 1

[Maximum number: 2]

Question (a)

(a)

Define what is meant by 'counterbalancing'.

[ 1 ]

Question (b)

(b)

Outline one reason why counterbalancing is important in experiments.

[ 1 ]
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