Psychology A-Level
related and unrelated designs
What related and unrelated designs means in Psychology A-Level, as defined for AQA.
Definition of related and unrelated designs
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Read the wording for your board, then hide it and explain related and unrelated designs in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
If a difference is tested, the design is related when it is repeated measures or matched pairs, and unrelated when it is independent groups.
Topics that use related and unrelated designs
- Handling data (AQA A-Level)
Related terms
- bar chart
- calculating the Sign test
- causation and third variables
- central tendency
- choosing a statistical test
- co-variables
- condition by condition comparison
- Consistency of scores
Using related and unrelated designs in the exam
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