| Mark | Control Group | Experimental Group | ||
| Frequency | Percent Distribution | Frequency | Percent Distribution | |
| 1 | 13 | 9.6 | 3 | 2.2 |
| 2 | 60 | 44.4 | 27 | 20.0 |
| 3 | 40 | 29.6 | 26 | 19.3 |
| 4 | 22 | 16.4 | 60 | 44.4 |
| 5 | 0 | 0 | 19 | 14.1 |
| Total | 135 | 100 | 135 | 100 |