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Table 4 Pre-test and post-test scores on knowledge, attitudes, and skills

From: Testing an evidence-based drug abuse and violence preventive approach adapted for youth in juvenile justice diversionary settings

Outcome

Pre-Test

Post-Test

Paired Difference

95% CI

Cohen’s d

MEAN

SD

MEAN

SD

Knowledge

17.79

3.57

18.27*

3.71

0.48

(0.11, 0.85)

0.15

Attitudes

3.90

0.54

4.00**

0.57

0.10

(0.05, 0.17)

0.21

Skills

 Goal-Setting

3.78

0.80

4.06***

0.74

0.28

(0.17, 0.38)

0.31

 Refusal

3.82

0.93

3.89

0.93

0.07

(−0.06, 0.18)

–

 Stress Management

3.51

0.95

3.84***

0.88

0.33

(0.22, 0.45)

0.35

 Communication

3.83

0.79

4.05***

0.74

0.22

(0.11, 0.33)

0.23

  1. *p < 0.05; **p < 0.01; ***p < 0.001