Dr Vance investigated the effectiveness of a novel rehabilitation programme by tracking the number of days before reoffending occurred in a cohort of former convicts. He chose to report the median number of days rather than the mean.
Explain why the median was a more appropriate measure of central tendency than the mean in this investigation.
51 exam-style questions on Edexcel A Level Psychology Research methods and skills, covering Research methods and skills. Each one has a worked solution and a mark scheme showing where the marks go.