A clinical psychologist investigated the level of anxiety reduction in patients suffering from specific phobias who underwent either Systematic Desensitisation (Group A) or Flooding (Group B). A higher score indicates a greater reduction in anxiety symptoms.
Table 1 Anxiety reduction scores for participants in Group A (Systematic Desensitisation)
| Participant number | Anxiety reduction score |
|---|---|
| 1 | 5 |
| 2 | 7 |
| 3 | 2 |
| 4 | 8 |
| 5 | 6 |
| 6 | 4 |
| 7 | 9 |
| 8 | 7 |
The psychologist found a mean anxiety reduction score of 4.2 for Group B (Flooding).
Give one conclusion about the effectiveness of the therapies using the mean scores for both groups. Explain your answer.
235 exam-style questions on AQA A Level Psychology Data handling and analysis. Each one has a worked solution and a mark scheme showing where the marks go.