Groups | Number of cases | Attitude (20 points) | Knowledge (60 points) | Behavior (20 points) |
Preapplication of evidence | 30 | 10 ± 3.69 | 32 ± 1.16 | 9 ± 1.48 |
Evidence after application | 30 | 18 ± 2.88 | 55 ± 7.17 | 16 ± 4.31 |
t | 3.7219 | 2.1509 | 3.1582 | |
P | 0.000 | 0.0013 | 0.0000 |