Universal and selective preventive interventions targeting youth behavioral problems have shown crossover effects on suicide risk, the second leading cause of death among youth. However, the mechanisms that explain this long-term unanticipated benefit are understudied and unclear. The current study examines the crossover effects of PROSPER, a…

Objective: Despite evidence-based interventions for the psychiatric disorders that often precede suicidality, suicide remains a leading cause of death among youth. There has been increased interest in whether preventive interventions targeting early risk factors lead to decreased distal risk for suicidal thoughts and behaviors (STB). We examined…

Bullying is a major health problem. The KiVa antibullying program has been evaluated in Finland and other European countries, showing preventive effects on self-reported bullying victimization and perpetration. No evaluations of this program have been conducted in Latin America. A cluster randomized controlled trial was conducted at socially…

This study examined the relation between both implementation fidelity and quality and the outcomes of two different anti-bullying interventions targeting distinct processes involved in bullying: moral disengagement and social norms. In total, 34 French-speaking Belgian teachers from six elementary schools were trained to deliver either the moral…

We examined the effectiveness of the "Say Something Anonymous Reporting System" (SS-ARS) program in improving school safety in a cluster randomized control trial among over 700 students in 19 middle schools in the Miami-Dade County Public Schools. The SS-ARS is a program that emphasizes youth engagement and trains youth to recognize…

Teen dating violence (TDV) is a significant public health problem that can have lifelong consequences. Using a longitudinal, cluster randomized controlled trial (RCT), this study examines whether the "Dating Matters" comprehensive prevention model, implemented in middle school, prevented TDV and negative relationship behaviors and…

Bullying is a significant problem in the USA, with 1 in 5 middle school students reporting being a target of bullying. Although prevalence rates of bullying are higher among students in low-income communities and among minority students in ethnically blended schools, the majority of research on bullying prevention has been conducted with primarily…

Adolescent substance abuse can lead to detrimental long-term outcomes; thus, many schools have implemented programs to reduce both the incidence and prevalence of these issues. The "Botvin LifeSkills Training" (LST) program has demonstrated promising results in randomized controlled trials, but program results outside randomized trials…

Objective: This study describes the step-by-step development of the IMove30+ programme and outlines lessons derived from the authors' experience using an intervention mapping protocol (IMP)-based programme design. The programme was designed to increase the moderate to vigorous physical activity (PA) level at school among Lebanese children, aged…

Background: Although nearly all states in the United States require school districts to adopt anti-bullying policies, little research examines the effect of these policies on student bullying and health. Using a statewide sample, we investigated associations between the quality of school district anti-bullying policies and student bullying…

This study evaluated the efficacy of a family-centered preventive intervention, the Family Check-Up (FCU), delivered as an online, eHealth model to middle school families. To increase accessibility of family-centered prevention in schools, we adapted the evidence-based FCU to an online format, with the goal of providing a model of service delivery…

School-based substance use prevention programs are a common method to approaching drug use in youths. Project SOS is a single-session drug prevention program developed by police officers and delivered by elite junior hockey players to students in grades 6 and 7. The current study evaluates the effects of Project SOS at achieving its objectives of…

Multitiered frameworks like Positive Behavior Interventions and Supports (PBIS) have been recommended for preventing and remediating behavior problems. In this study, technology-based self-monitoring was used as a Tier 2 intervention to improve the academic engagement and disruptive behavior of three middle school students who were identified as…

Sweden has a low prevalence of bullying and Swedish schools are legally obliged to have anti-bullying policies. Many commercial programs are available. A mixed methods, quasi-experimental, concurrent evaluation of 8 programs, chosen from a pool of 21 widely used anti-bullying programs, was planned. Preliminary data, based on 835 stakeholder…

Violence in schools continues reflecting violence within society. There is a growing need for violence prevention programs within the schools that provide students with the skills needed to cope with interpersonal and relationship is-sues effectively. This study was conducted at a middle school and there were 345 middle school students (6th to 8th…