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.
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