Group | Cases Number | Theoretical Scores | Skill Scores |
Control group | 30 | 34.72 ± 1.06 | 39.51 ± 1.70 |
Experimental group | 30 | 47.50 ± 0.72 | 48.90 ± 0.99 |
t |
| 12.079 | 8.338 |
P |
| P < 0.05 | P < 0.05 |