Dr Aris conducted an experiment to investigate the effects of articulatory suppression on spatial working memory.
She recruited 9 participants from an undergraduate psychology cohort. Each participant was presented with a 4×4 4 \times 4\,4×4 grid containing 12 highlighted target locations.
The experiment consisted of two conditions:
Immediately after presentation, participants were asked to recall and mark the target locations on a blank grid.
The results of Dr Aris's experiment are shown in Table 1.
Calculate the mean number of target locations recalled correctly in Condition A.
You must give your answer to one decimal place.
| Participant | Number of target locations recalled correctly in Condition A | Number of target locations recalled correctly in Condition B |
|---|---|---|
| 1 | 6 | 9 |
| 2 | 4 | 8 |
| 3 | 7 | 11 |
| 4 | 5 | 8 |
| 5 | 5 | 10 |
| 6 | 4 | 7 |
| 7 | 8 | 10 |
| 8 | 5 | 9 |
| 9 | 6 | 9 |
Practise Edexcel A Level Psychology Research methods and skills with exam-style questions for A Level Psychology. 657 questions covering Research methods and skills, 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.
