Table 2.
Descriptives of Outcome Variables.
| Outcome measure | T1 |
T2 |
Change score |
Paired t test between T1 and T2 |
||
|---|---|---|---|---|---|---|
| M | SD | M | SD | M | t | |
| Conduct problems | ||||||
| Teacher report | 0.48 | 0.47 | 0.27 | 0.36 | −0.20 | −5.21*** |
| Aggression | ||||||
| Self-report | 0.50 | 0.19 | 0.46 | 0.21 | −0.03 | −1.50 |
| Acceptance of authority | ||||||
| Self-report | 2.64 | 0.74 | 2.94 | 0.64 | 0.32 | 4.33*** |
| Teacher report | 2.53 | 0.79 | 2.85 | 0.85 | 0.32 | 4.41*** |
| Friend’s delinquency | ||||||
| Self-report | 0.32 | 0.43 | 0.24 | 0.43 | −0.09 | −2.40* |
| Perceived peer pressure | ||||||
| Self-report | 1.12 | 1.05 | 0.77 | 0.93 | −0.37 | −4.36*** |
| Resistance to social pressure | ||||||
| Self-report | 2.94 | 1.02 | 3.19 | 1.03 | 0.29 | 2.40* |
| Teacher report | 2.39 | 0.76 | 2.79 | 0.72 | 0.39 | 4.90*** |
| Prosocial behavior | ||||||
| Teacher report | 1.43 | 0.45 | 1.53 | 0.48 | 0.09 | 2.02* |
| Academic engagement | ||||||
| Self-report | 2.94 | 0.80 | 3.14 | 0.74 | 0.23 | 3.23** |
| Teacher report | 2.59 | 0.71 | 2.81 | 0.73 | 0.21 | 3.30** |
*
p < .05. **p < .01. ***p < .001.