Parenting group composition does not impact program effects on children’s conduct problems.

Many established parenting programs for children's conduct problems are delivered in groups. Various, and at times conflicting, beliefs exist about whether families fare better groups with parents that more similar to them, or diverse. We set out test these empirically. integrated data from four trials of the Incredible Years program Netherlands, including 452 (children age 2-10 years) participating 44 used multilevel regression benefit (or less) when they participate a group them terms ethnic background, educational level, baseline problems, Attention Deficit/Hyperactivity Disorder (ADHD) symptoms, emotional problems. In addition, we tested relative position effects were stronger some than others (e.g., especially minority ethnically diverse). Families severe benefited more, but did not worse) where other them. Regarding characteristics, families' predict on Our findings held across different sociodemographic backgrounds levels ADHD symptoms found no evidence composition impacts effectiveness (PsycInfo Database Record (c) 2021 APA, all rights reserved).