Researchers discovered a strong positive correlation between the number of weekly physical exercise sessions completed by individuals diagnosed with major depressive disorder and their self-esteem scores.
Explain why it would not be appropriate to conclude that physical exercise increases self-esteem scores.
Practise AQA A Level Psychology Correlations with exam-style questions for A Level Psychology. 30 questions, matched to the AQA A Level Psychology (7182) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.