An educational psychologist investigated whether the type of ambient sound affects reading comprehension. They compared the comprehension test scores of a group of students who read in a room with white noise with a different group of students who read in a room with classical music.
| White Noise | Classical Music | |
|---|---|---|
| Mean reading comprehension score (out of 80) | 52.6 | 61.8 |
Explain which statistical test the psychologist could have used to analyse the data in Table 3.
638 exam-style questions on Edexcel A Level Psychology Methods. Each one has a worked solution and a mark scheme showing where the marks go.