A clinical psychologist wants to determine if there is a significant difference in anxiety reduction scores (measured on an ordinal scale from 1 to 10) between two independent groups of patients: one group receiving Cognitive Behavioural Therapy (CBT) and another group receiving Mindfulness-Based Stress Reduction (MBSR).
Which of the following is the most appropriate inferential statistical test to analyse this data?
Related ttt-test
Wilcoxon Signed-Ranks test
Mann-Whitney UUU test
Chi-Square test of association
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.