In a study investigating social anxiety, researchers used a standardized social interaction rating scale to compare two groups of participants.
The researchers used an inferential statistical test to determine whether there was a significant difference in social interaction rating scores between the two groups.
Explain why a Mann-Whitney test is an appropriate choice of statistical test in this situation and a Spearman's test is not.
121 exam-style questions on AQA A Level Psychology Inferential testing (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.