| Items | Tests | Changes | |||
| Pre-test | Post-test | Value | Percentage | ||
| No. of participants | No. of participants | ||||
| The score of test participants getting | 0~0.5 points | 7 | 1 | −6 | −21% |
| 1~1.5 points | 18 | 2 | −16 | −55% | |
| 2~2.5 points | 3 | 3 | 0 | 0 | |
| 3~3.5 points | 1 | 17 | 16 | 56% | |
| 4~4.5 points | 0 | 6 | 6 | 21% | |
| 5 points | 0 | 0 | 0 | 0 | |
|
| total | 29 | 29 | 0 | 0 |