Table 4.
Relationships between Individual study characteristics and aggressive/disruptive behavior effect sizes for universal programs with selected method variables controlled (N=77)
| Study characteristic | β(with method controls)a |
|---|---|
| General study characteristics | |
| Year of publication | -0.03 |
| Unpublished (0) vs. published (1) | 0.12 |
| Student characteristics | |
| Gender mix (% male) | 0.07 |
| Age | -0.27** |
| Mixed or middle SES (0) vs. low SES (1) | 0.21* |
| Researcher role in study | |
| Routine practice program (1=research, 2=demonstration, 3=routine) | -0.13 |
| Delivery personnel | |
| Teacher provider | -0.02 |
| Amount & quality of treatment | |
| Duration of treatment (in weeks; logged) | -0.07 |
| Number of sessions per week (1=less than weekly to 9=daily) | 0.09 |
| Implementation problems (1=yes, 2=possible, 3=no) | 0.15 |
| Treatment modality | |
| Cognitively oriented | |
| Anger management component | 0.02 |
| Social problem solving component | 0.06 |
| Social skills training | -0.04 |
Note: weighted random effects analysis; coefficients are standardized.
a
Method controls: student-reported outcome variable, pretest adjustment, attrition, non-random assignment, number of items in outcome variable.
*
p<0.10
**
p<0.05