A researcher collects ordinal data from a study using an independent groups design.
Which inferential test should they use to analyze whether there is a significant difference between the two groups?
Spearman's Rho test
Mann–Whitney U test
Wilcoxon Signed Ranks test
Related t-test
644 exam-style questions on OCR A Level Psychology Research methods and techniques. Each one has a worked solution and a mark scheme showing where the marks go.