| Group | Mean | Standard Deviation | t | Sig. (2 tailed) | ||
| Pre | Post | Pre | Post | |||
| Intervention | 10.95 | 7.98 | 6.059 | 5.665 | 8.250 | 0.000* |
| Control 1 | 11.23 | 10.38 | 6.096 | 5.861 | 1.946 | 0.053 |
| Control 2 | 10.84 | 9.56 | 5.888 | 6.382 | 3.322 | 0.001* |