Mateo conducted an investigation into the relationship between completing an 8-week mindfulness programme and anxiety levels.
Table 1: Table showing the results of Mateo's investigation.
| Reported low anxiety levels | Reported high anxiety levels | |
|---|---|---|
| Condition A: Completed mindfulness programme | 22 | 4 |
| Condition B: Did not complete mindfulness programme | 8 | 18 |
State two reasons why Mateo used a chi-squared test to analyse his data.
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.