Psychology A-Level
correlation and third variables
What correlation and third variables means in Psychology A-Level, as defined for OCR.
Definition of correlation and third variables
Check what you remember
Read the wording for your board, then hide it and explain correlation and third variables in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Measuring two variables as they already vary supports a claim about strength and direction only, since a third variable or reversed causation is always possible.
Topics that use correlation and third variables
- Practical activities (OCR A-Level)
Related terms
- choosing an analysis
- observation
- risk assessment
- self-report
- ethical safeguards
- experiment and causation
- small-scale practical work
Using correlation and third variables in the exam
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