Researchers wished to investigate the relationship between mindfulness practice and exam anxiety in teenagers. They wanted to obtain a stratified sample of 120 17-year-old students from three different sixth-form colleges. Some of these colleges had a very large student population, while others were much smaller.
Explain how the researchers could obtain a stratified sample of 120 students from the three different colleges.
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.
