| Range of marks | Number of participants | |
| Pre-test | Post-test | |
| 9 - 10 | 3 (9%) | 5 (15%) |
| 7 - 8 | 5 (15%) | 8 (24%) |
| 5 - 6 | 6 (18%) | 10 (30) |
| 3 - 4 | 9 (27%) | 7 (21%) |
| 1 - 2 | 10 (30%) | 3 (9%) |