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.
689 exam-style questions on AQA A Level Psychology Scientific processes. Each one has a worked solution and a mark scheme showing where the marks go.