Peer-mediated interventions (PMIs) are evidence-based practices that improve outcomes for students with intellectual and developmental disabilities (IDD). Determining whether peers also benefit substantively from their involvement in these widely used practices is key to establishing the reciprocity of PMIs. This study examined the breadth and…

This article examined the impact of linguistic acculturation and gender on the substance use initiation of a sample of 1,473 Mexican heritage preadolescents attending 30 public schools in Phoenix, Arizona. It was hypothesized that linguistic acculturation operates differently as a risk or protective factor for young children than for older youth.…

This study reports on CHAMPS, a youth tobacco and prevention program intervention that focused on peer-led educational activities. Nineteen schools implemented a CHAMPS tobacco prevention program in grades 5, 6, and 7. Six schools served as nonintervention comparison sites. Baseline and follow-up questionnaires were completed by 1,412 students.…