A sports scientist wants to investigate the effects of three different recovery strategies (ice baths, active recovery, and passive rest) on muscle soreness. They recruit a sample of 120 elite runners for the study.
Explain how the researcher could randomly allocate the sample of 120 runners into the three experimental groups so that there is an equal number of runners in each group.
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.
