Table 4.
Program characteristics and study design moderation analyses
| Moderator | Categories | k | Q between | g | SE (g) | 95% CI |
|---|---|---|---|---|---|---|
| Program format | Multimodal, girls and boys | 8 | .45 | .08 | 0.30, 0.61 | |
| Multimodal, girls | 6 | 1.79 | .38 | .1 | 0.18, 0.57 | |
| Multimodal, boys | 2 | .60 | .14 | 0.33, 0.87 | ||
| Group, girls and boys | 34 | .39 | .02 | 0.35, 0.43 | ||
| Group, girls | 18 | 5.87* | .34 | .03 | 0.28, 0.39 | |
| Group, boys | 16 | .44 | .03 | 0.38, 0.49 | ||
| Individual, girls and boys | 6 | .12 | .04 | 0.04, 0.20 | ||
| Individual, girls | 4 | 2.35 | .17 | .05 | 0.07, 0.28 | |
| Individual, boys | 2 | .05 | .06 | −0.08, 0.17 | ||
| Program type | Behavior modification, girls and boys | 13 | .13 | .03 | 0.08, 0.18 | |
| Behavior modification, girls | 8 | 0.00 | .13 | .04 | 0.06, 0.20 | |
| Behavior modification, boys | 5 | .13 | .04 | 0.05, 0.20 | ||
| Cognitive skills training, girls and boys | 25 | .78 | .03 | 0.72, 0.84 | ||
| Cognitive skills training, girls | 14 | 10.22** | .68 | .05 | 0.59, 0.76 | |
| Cognitive skills training, boys | 11 | .87 | .04 | 0.79, 0.96 | ||
| Family systems, girls and boys | 6 | .89 | .09 | 0.72, 1.06 | ||
| Family systems, girls | 4 | 0.61 | .96 | .13 | 0.71, 1.21 | |
| Family systems, boys | 2 | .82 | .18 | 0.58, 1.07 | ||
| Participant age | 11 and younger, girls and boys | 22 | 105.77** | .52 | .02 | 0.47, 0.57 |
| 12 and older, girls and boys | 34 | .18 | .02 | 0.14, 0.23 | ||
| 11 and younger, girls only | 12 | 36.08** | .45 | .03 | 0.38, 0.52 | |
| 12 and older, girls only | 21 | .17 | .03 | 0.11, 0.23 | ||
| 11 and younger, boys only | 10 | 74.85** | .59 | .04 | 0.52, 0.66 | |
| 12 and older, boys only | 13 | .19 | .03 | 0.14, 0.25 | ||
| Study design | Experimental, girls and boys | 36 | 86.68** | .45 | .02 | 0.41, 0.49 |
| Quasi-experimental, girls and boys | 11 | .38 | .05 | 0.29, 0.48 | ||
| Non-experimental, girls and boys | 9 | .13 | .03 | 0.07, 0.18 | ||
| Experimental, girls only | 21 | 6.31* | .39 | .03 | 0.33, 0.45 | |
| Experimental, boys only | 15 | .50 | .03 | 0.44, 0.56 | ||
| Quasi- experimental only, girls only | 7 | 1.67 | .40 | .07 | 0.27, 0.52 | |
| Quasi-experimental only, boys only | 4 | .37 | .07 | 0.23, 0.51 | ||
| Non-experimental only, girls only | 5 | 0.05 | .12 | .04 | 0.04, 0.20 | |
| Non-experimental only, boys only | 4 | .13 | .04 | 0.06, 0.21 |
Bold text indicates largest effect size within subcategory; k = number of contrasts informing a particular analysis; Qbetween indicates the difference in mean effect size across groups.
p < .05.
p < .001.