| Scores in 3rd-grade fall | A: Considerably declining type | B: Declining type | C: Maintaining type | D: Low-score maintaining type | multiple comparison |
| regular exam | 45.8 ± 9.4 | 50.6 ± 8.3 | 53.1 ± 11.0 | 51.7 ± 8.0 | A < B < D < C |
| mock exam | 45.8 ± 9.6 | 49.0 ± 9.1 | 54.3 ± 10.8 | 51.7 ± 9.5 | A < B < D < C |