Dr. Khalid’s results are shown in Table 1.
Complete Table 1 and calculate the Mann-Whitney U for the data in Table 1. You must show your working and give your final answer to one decimal place.
Table 1: Number of intrusive thoughts recorded in each condition
| Condition A (Guided Imagery) | Condition B (Silent Reflection) | ||
|---|---|---|---|
| Number of intrusive thoughts | Rank | Number of intrusive thoughts | Rank |
| 1 | 1 | 3 | 4 |
| 3 | 4 | 6 | 9 |
| 2 | 2 | 8 | 10 |
| 4 | 6.5 | 5 | 8 |
| 3 | 4 | 4 | 6.5 |
| 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.