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Comparisons of the overall scores
| Mean difference | Z/U | p | |
|---|---|---|---|
| Control group (CG) posttest–pretest | − 0.06 | Z = − 0.943 | 0.346 |
| The experimental group (EG) posttest–pretest | 0.29 | Z = − `3.694 | < 0.001 |
| Pretest: CG–EG | − 0.08 | U = 317.5 | 0.699 |
| Posttest: CG–EG | − 0.43 | U = 203 | 0.005 |
