Complete Table 1 and calculate the Spearman's rank correlation coefficient for Dr. Vance's study investigating the relationship between self-reported anxiety scores and reaction times (in milliseconds) on a selective attention task.
| Anxiety score | Rank 1 | Reaction time (ms) | Rank 2 | ddd | d2d^2d2 |
|---|---|---|---|---|---|
| 20 | 3.5 | 180 | 3 | ||
| 32 | 6 | 300 | 7 | ||
| 15 | 2 | 120 | 1 | ||
| 40 | 7.5 | 330 | 8 | ||
| 12 | 1 | 150 | 2 | ||
| 28 | 5 | 240 | 5 | ||
| 20 | 3.5 | 210 | 4 | ||
| 40 | 7.5 | 270 | 6 | ||
| 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.