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Wilcoxon signed rank test comparison between the immediate and delayed post-tests.
| Immediate Post-test | Delayed Post-test | Z | P | Effect size r | |||
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| Mean | S.D. | Mean | S.D. | ||||
| EG | 7.14 | 1.24 | 3.57 | 1.93 | 4.481 | 0.000 | 0.599 |
| CG | 7.24 | 0.95 | 4.09 | 2.26 | 4.639 | 0.000 | 0.580 |
