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