| Project | Control group n = 90 [n (%)] | Test group n = 116 [n (%)] | χ2 value | p value |
| Training content | 69 (76.67) | 106 (91.38) | 8.581 | 0.003 |
| Training method | 67 (74.44) | 109 (93.97) | 15.522 | 0.000 |
| Training conditions | 61 (67.78) | 99 (85.34) | 9.018 | 0.003 |
| Teacher teaching | 79 (87.78) | 111 (95.69) | 4.428 | 0.035 |
| Self-evaluation | 76 (83.33) | 105 (90.51) | 1.753 | 0.186 |
| Overall evaluation | 70 (77.78) | 106 (91.38) | 7.535 | 0.006 |