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GCSE Psychology · key term
A factor that can change or take different values in a study.
Used by AQA and OCR
Paper 1
Revise: Types of VariableA variable is a factor that can change or take different values. In an experiment, the researcher changes one factor and measures another to investigate whether the change has an effect.
Paper 1, Paper 2
A characteristic or factor that can change or take different values, such as hours of sleep or a memory-test score.
Identify variables from the particular experiment, rather than giving only a general definition.
For an extraneous variable, explain how it could affect the DV and suggest a relevant way to control it.
For a DV or co-variable, state exactly what is measured and include the unit, time period or scoring rule where relevant.
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A variable is something that can change or take different values. In psychology, variables include behaviours, such as the number of words someone remembers, and factors that might influence behaviour, such as background noise.
