组别 | 人数 | 理论成绩 | 操作技能成绩 |
RCA实施前对照组 | 20 | 74.52 ± 5.25 | 86.11 ± 4.17 |
RCA实施后实验组 | 22 | 89.14 ± 5.23 | 93.02 ± 4.11 |
t |
| 7.66 | 5.77 |
P |
| <0.01 | <0.01 |