| Variables | Before | After | Rank |
| ||||||
| Mean | Standard deviation | Mean | Standard deviation | ↓ | = | ↑ | Z | df | p | |
| Declarative knowledge | 1.05 | 0.950 | 4.82 | 1.763 | 0 | 0 | 22 | −4.121 | 22 | 0.00 |
| Procedural knowledge-concepts | 0.86 | 0.889 | 3.32 | 0.945 | 0 | 0 | 22 | −4.146 | 22 | 0.00 |
| Procedural knowledge-rules | 1.45 | 0.912 | 5.86 | 2.232 | 0 | 1 | 21 | −4.041 | 22 | 0.00 |
| Procedural knowledge-total | 2.31 | 1.460 | 9.18 | 2.970 | 0 | 0 | 22 | −4.128 | 22 | 0.00 |
| Total Score | 3.36 | 1.989 | 14.00 | 4.461 | 0 | 0 | 22 | −4.110 | 22 | 0.00 |