Complete Table 1 and find the observed value of T T\,T by calculating the Wilcoxon Signed Ranks test for Sarah's study on the effects of distractions on memory recall.
| Participant | Recall with distraction (Condition A) | Recall without distraction (Condition B) | Difference | Rank of Difference | Rank if positive | Rank if negative |
|---|---|---|---|---|---|---|
| A | 10 | 13 | ||||
| B | 12 | 10 | ||||
| C | 12 | 12 | ||||
| D | 9 | 15 | ||||
| E | 16 | 9 | ||||
| F | 10 | 11 | ||||
| G | 8 | 13 | ||||
| H | 14 | 10 | ||||
| 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.