Dr. Vance conducted an experiment to investigate the impact of post-event discussion on the accuracy of eyewitness testimony recall. The results are shown in Table 1.
| Mean percentage of correct details recalled after post-event discussion | Mean percentage of correct details recalled with no post-event discussion |
|---|---|
| 52.4% | 78.6% |
Explain one conclusion that Dr. Vance could make from the data in Table 1.
186 exam-style questions on Edexcel A Level Psychology Research methods and skills, covering Research methods and skills. Each one has a worked solution and a mark scheme showing where the marks go.