A sports psychologist investigated whether there is a difference in self-reported motivation levels (measured on a Likert scale from 1 to 7) between solo endurance runners and team-sport athletes.
State two reasons why a Mann-Whitney U test would be an appropriate statistical test to analyse the data from this study.
638 exam-style questions on Edexcel A Level Psychology Methods. Each one has a worked solution and a mark scheme showing where the marks go.