Psychology A-Level
Probability and chance
What Probability and chance means in Psychology A-Level, as defined for AQA.
Definition of Probability and chance
Check what you remember
Read the wording for your board, then hide it and explain Probability and chance in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Inferential statistics use probability to decide what can be claimed about the wider population, and significance is a statement about probability rather than proof.
Topics that use Probability and chance
- Inferential testing (AQA A-Level)
Related terms
- Calculated value versus critical value
- Critical values, N and degrees of freedom
- Experimental design: related and unrelated
- level of measurement
- Level of significance and the 5% convention
- Null hypothesis and alternative hypothesis
- one tailed and two tailed tests
- Parametric assumptions
Using Probability and chance in the exam
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