Background: Using data from a statewide relationship education (RE) program targeting a diverse adolescent sample, this study examined RE implementation in classroom environments. Objective: The purpose of this study was to explore (1) whether there is a beneficial RE program effect for change in individual attitudes toward sexual delay, (2)…

Latent class analysis was used to examine whether patterns of bystander responses varied as a function of both student- and school-level characteristics. Data from 18,863 high school students from 58 schools who "ever witnessed bullying" were used to identify five latent classes of bystander behavior. Three of the classes identified…

Background: Adolescence is a critical phase of development and experimentation with delinquent behaviors. There is a growing body of literature exploring individual and structural impacts of discrimination on health outcomes and delinquent behaviors. However, there is limited research assessing how school diversity and discrimination impact…

Background: Health promotion policies targeting risk-taking behaviors are being implemented across schools in Israel. This study identified the most effective components of these policies influencing cigarette smoking and alcohol consumption among adolescents. Methods: Logistic hierarchical linear model (HLM) analysis of data for 5279 students in…

The purpose of this article is to explore the role of neighborhood characteristics, specifically economic disadvantage/advantage, residential instability, and racial/ethnic heterogeneity on emotional distress (depressed affect, anxiety, hopelessness) among youth. Using a regional sample of adolescents and matching their data to census tracts, we…

The purpose of this study was to pilot the Positive Life Changes (PLC) program, a comprehensive cognitive-behavioral intervention for at-risk adolescents that aims to promote social competencies and to prevent aggression. The program was piloted in 4 intervention groups with a sample of 31 self-referred adolescents (M age 15.64) attending an…

This study examines whether the Communities That Care (CTC) prevention system influences targeted risk and protective factors and the subsequent development of problem behaviour among adolescents (12-18 years) in the Netherlands. In this quasi-experimental study of ten communities (five experimental, five control), adolescent outcomes were…

The State of the Science conference was held in May, 2007 as part of the ongoing series of national conferences, "Building on Family Strengths," conducted by the Research and Training Center on Family Support and Children's Mental Health at Portland State University. The theme of this State-of-the Science conference was "Effective…