Null hypothesis
What Null hypothesis means in Psychology GCSE, as defined for AQA, Pearson Edexcel.
Definitions of Null hypothesis
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Reference: Pearson Edexcel
A prediction that there will be no significant difference or relationship between the variables studied, and any observed changes are due to chance.
A prediction of no difference or relationship, with any apparent pattern due to chance.
Topics that use Null hypothesis
- Research methods (AQA GCSE)
- Designing psychological research (Pearson Edexcel GCSE)
Related terms
- Alternative hypothesis
- Counterbalancing
- Dependent variable
- Extraneous variables
- Independent variable
- Operationalisation of variables
- Qualitative data
- Quantitative data
Using Null hypothesis in the exam
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