Dr. Vance is investigating the relationship between sleep deprivation and cognitive performance. She gathered data from 10 participants regarding the number of hours they had been sleep-deprived and the number of errors they made on a standardized sustained attention task (scored out of 30).
Table 1 shows the raw data collected during Dr. Vance's study.
| Sleep deprivation (hours) | Attention task errors (out of 30) |
|---|---|
| 2 | 3 |
| 6 | 8 |
| 12 | 17 |
| 16 | 22 |
| 4 | 5 |
| 18 | 27 |
| 10 | 12 |
| 14 | 19 |
| 8 | 10 |
| 20 | 29 |
Draw a scatter diagram to show Dr. Vance's data.
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.
