Researchers wished to study the effects of peer mentoring on academic self-efficacy. They planned to survey a stratified sample of 120 16-year-old students from five different local secondary schools. The schools varied significantly in size, with some having a very large enrollment of 16-year-olds and others having a much smaller cohort.
Explain how the researchers could have obtained a stratified sample of 120 students from these five different schools.
Practise AQA A Level Psychology Scientific processes with exam-style questions for A Level Psychology. 689 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.
