| I.P.A. Symbols | Exercise a | Exercise b | Exercise c | Exercise d | Totals |
| Correct /i/ /I/ | 200 | 66 | 59 | 22 | 347 |
| Incorrect /i/ /I/ | 39 | 14 | 5 | 13 | 71 |
| Blank /i/ /I/ | 1 | 0 | 0 | 13 | 14 |
| Total of choices | 240 | 80 | 64 | 48 | 432 |
| Total of students 8 | 432 |