Dr Aris carried out a study to compare the effectiveness of Cognitive Behavioural Therapy (CBT) and Mindfulness-Based Stress Reduction (MBSR) on anxiety improvement scores.
Complete Table 3 and calculate the Mann-Whitney U test value (UUU) for Dr Aris's data.
You must give your final answer to one decimal place.
Table 3
| Condition A: CBT | Condition B: MBSR | ||
|---|---|---|---|
| Improvement score | Rank | Improvement score | Rank |
| 25 | 12 | 20 | 10 |
| 22 | 11 | 14 | 7 |
| 18 | 9 | 11 | 5.5 |
| 15 | 8 | 9 | 4 |
| 11 | 5.5 | 6 | 2 |
| 7 | 3 | 4 | 1 |
| Total | Total |
Practise Edexcel A Level Psychology Methods with exam-style questions for A Level Psychology. 638 questions, matched to the Edexcel A Level Psychology (9PS0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.