| Project | Intern Group (n = 54) | Probationer Group (n = 72) | ||||||
| Before | After | t | P | Before | After | t | P | |
| BP | 17.3 ± 3.1 | 21.1 ± 2.0 | −7.71 | 0.00 | 16.9 ± 2.7 | 19.3 ± 3.2 | −5.40 | 0.00 |
| CC | 17.9 ± 3.4 | 20.6 ± 2.7 | −4.29 | 0.00 | 16.8 ± 2.8 | 19.6 ± 3.5 | −5.57 | 0.00 |
| KT | 16.4 ± 3.4 | 19.6 ± 3.1 | −5.00 | 0.00 | 15.2 ± 1.6 | 19.6 ± 2.7 | −13.03 | 0.00 |
| LS | 16.7 ± 3.3 | 20.9 ± 1.4 | −8.39 | 0.00 | 14.8 ± 2.2 | 20.0 ± 2.4 | −13.16 | 0.00 |