Table 3.
Effect Sizes for the Difference between Groups at 12 Month Follow-Up
| PE-A (N = 28) | CCT (N = 27) | ||||
|---|---|---|---|---|---|
| Variable | M | SE | M | SE | d |
| Somatic complaints | 43.97 | 1.61 | 49.63 | 1.60 | 0.64 |
| Attention problems | 45.74 | 1.66 | 50.40 | 1.64 | 0.51 |
| Rule breaking | 47.13 | 1.75 | 53.21 | 1.73 | 0.63 |
| Aggressive behavior | 45.50 | 1.85 | 51.88 | 1.86 | 0.62 |
| Internalizing | 44.73 | 1.75 | 49.29 | 1.74 | 0.47 |
| Externalizing | 45.88 | 1.69 | 52.38 | 1.68 | 0.70 |
| Total problems | 44.58 | 1.68 | 50.47 | 1.66 | 0.64 |
| DSM affective problems | 43.61 | 1.80 | 48.41 | 1.78 | 0.49 |
| DSM conduct problems | 45.54 | 1.70 | 52.78 | 1.68 | 0.78 |
Note. PE-A = prolonged exposure therapy for adolescents; CCT = client centered therapy; DSM = Diagnostic and Statistical Manual of Mental Disorders; M = mean; SE = standard error; d = Cohen’s d calculated using the pooled standard deviation.