Extraneous variables
What Extraneous variables means in Psychology GCSE, as defined for AQA, Pearson Edexcel.
Definitions of Extraneous variables
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Reference: Pearson Edexcel
Factors that are strictly controlled in a laboratory experiment so that a clear cause-and-effect relationship can be established.
Other factors that could affect the dependent variable if not controlled, such as noise, time of day or participant age.
Factors other than the independent variable that could affect the dependent variable.
Other factors that could affect the DV if not controlled.
Topics that use Extraneous variables
- Research methods (AQA GCSE)
- Designing psychological research (Pearson Edexcel GCSE)
Related terms
- Alternative hypothesis
- Counterbalancing
- Dependent variable
- Independent variable
- Null hypothesis
- Operationalisation of variables
- Qualitative data
- Quantitative data
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