TABLE 4.
Summary of 2-way analysis of variance for repeated measures showing the difference in the most efficacious psychotherapies (cognitive-behavioural therapy, social skills training and combined cognitive-behavioural therapy + social skills training) in the treatment of conduct disorder amongst in-school adolescents.
| Source | Sum of squares | df | Mean square | F | Sig. |
|---|---|---|---|---|---|
| Between-subjects | |||||
| Group | 33.837 | 3 | 12.746 | 10.035 | < 0.05 |
| Error | 15.250 | 12 | 1.271 | ||
| Within-subjects | |||||
| Time | 38.237 | 4 | 58.469 | 56.697 | < 0.05 |
| Time * Treatment | 33.825 | 12 | 2.819 | 2.733 | < 0.05 |
| Error (time) | 49.500 | 48 | 0.031 | ||
CBT, cognitive-behavioural therapy; SST, social skills training; df, degrees of freedom.