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Comparisons of the lexical resources scores
| Mean difference | Z/U | p | |
|---|---|---|---|
| Control group (CG) posttest–pretest | 0.04 | Z = − .483 | 0.629 |
| The experimental group (EG) posttest–pretest | 0.45 | Z = − 2.585 | 0.01 |
| Pretest: CG–EG | 0.08 | U = 315.5 | 0.620 |
| Posttest: CG–EG | − 0.45 | U = 220 | 0.017 |
