Bullying among youth at school continues to be a global challenge. Being exposed to
bullying may be especially hurtful in adolescence, a vulnerable period during which both …

Executive Summary/Abstract Background Bullying first emerged as an important topic of
research in the 1980s in Norway (Olweus), and a recent meta‐analysis shows that these …

This article presents results from an extensive systematic and meta-analytical review of the
effectiveness of school-based bullying prevention programs. Its main aim is to explore the …

Bullying is a social phenomenon. About 30% of school children are involved in bullying as
victims, bullies, or bully/victims. The victims of bullying suffer multiple negative …

Introduction A systematic meta-analysis was conducted of the association between
preference and popularity across childhood and adolescence. The role of development, sex …

We point to group processes of status conflict and norm enforcement as fundamental
elements in the development of school-based victimization. Socially vulnerable youth are …

The complex interplay between bullying/victimization and defending was examined using a
longitudinal social network approach (stochastic actor-based models). The (co) evolution of …

Background Each of the home, school, and neighborhood environmental factors for
adolescent depression has received substantial attention in the literature; however, there …

School bullying is increasingly viewed by researchers as a group phenomenon that extends
beyond the perpetrator–victim dyad and is embedded in the wider social context. This paper …

This study investigates the dynamic interplay between bullying relationships and friendships
in a sample of 481 students in 19 elementary school classrooms (age 8–12 years; 50 …