Heterogeneous effects from interventions often remain hidden in between-group analyses, risking overgeneralized conclusions of treatment effects. In this exploratory study, we performed latent profile analysis to unveil differential treatment effects among children in The Incredible Years Teacher Classroom Management Programme (IY TCMP). This…

Early preventive interventions can improve outcomes in childhood, but the most effective interventions can continue to deliver benefits through the life course. The Fast Track intervention, a randomized controlled trial for children at risk of conduct problems, has lowered psychopathology, substance use problems, and criminality and elevated…

Cogent indicated prevention with young children at risk for early onset conduct problems needs to address multiple domains of influence in school and home settings. A multicontextual preventive intervention (MPI) spanning grades one and two was conducted in schools serving economically disadvantaged communities and evaluated separately for boys…