articleSchool Psychology ReviewMar 1, 2012Closed access

A Meta-Analysis of School-Based Bullying Prevention Programs' Effects on Bystander Intervention Behavior

JRJoshua R. PolaninDLDorothy L. EspelageTPTerri Pigott

Loyola University Chicago · University of Illinois Urbana-Champaign

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Abstract

.This meta-analysis synthesized bullying prevention programs' effectiveness at increasing bystander intervention in bullying situations. Evidence from 12 school-based programs, involving 12,874 students, indicated that overall the programs were successful (Hedges's g = .20, 95% confidence interval [CI] = .11 to .29, p

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643
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41.96
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91
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Authors

3

Topics & keywords

Topics
Keywords
  • Bystander effect
  • Intervention (counseling)
  • Empathy
  • Meta-analysis
  • Psychology
  • Confidence interval
  • Clinical psychology
  • Medicine
UN Sustainable Development Goals
  • Peace, Justice and strong institutions
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