The prevalence of bullying worldwide is high (UNESCO,). Over the past decades, many anti-
bullying interventions have been developed to remediate this problem. However, we lack …

A comprehensive and extensive systematic review and meta-analysis of the effectiveness of
bullying prevention programs is presented. This report updates earlier research conducted …

The large number of studies published in recent years aimed at evaluating the effectiveness
of school-based anti-bullying programs recommends research to focus on synthesizing the …

Bullying is becoming an ever more pressing issue for schools, daycare centers, politicians
and the public. Everyone agrees that bullying is a serious problem and initiatives are …

Background Knowledge and collective experience on the evaluation of anti-bullying
interventions are spread across literature. Gathering it would contribute toward evidence …

Bullying is an international phenomenon that is increasingly becoming recognized as a
public health issue and mental health concern. Systematic reviews suggest that complex …

Importance Bullying is a prevalent and modifiable risk factor for mental health disorders.
Although previous studies have supported the effectiveness of anti-bullying programs; their …

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 …

Previous research has shown that many school-based anti-bullying programs are effective.
A prior meta-analysis (Gaffney, Ttofi, & Farrington, 2019) found that intervention programs …

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 …