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Effective strategies to reduce bullying in schools

Written By: Victoria Cook
6 min read
What is bullying? When defining bullying, it is important to distinguish between bullying behaviour and relational conflict. Whilst relationships with peers can be complex and conflict can often occur, the Anti-Bullying Alliance (ABA) defines bullying as behaviour ‘that is intentional, repeated and occurs between individuals, or groups of individuals, between whom there is a distinct power imbalance’ (Gaffney, 2021 p. 493). Bullying behaviours can be physical, verbal or relational (e.g. spreading rumours/gossiping or social exclusion). In the past 10-12 years, cyberbullying has emerged as another form of bullying behaviour, involving similar acts but through electronic means (Gaffney et al., 2021a). Cyberbullying is commonly defined with reference to the key aspects of traditional or offline bullying noted above (repetition, power imbalance and intention to harm) (Polanin et al., 2022). However, the concept of repetition is difficult to define in cyberbullying, as it may have d

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  • Anti-Bullying Alliance (ABA) (nd) Free CPD online training.
  • Gaffney H, Farrington DP, Espelage DL et al. (2019a) Are cyberbullying intervention and prevention programs effective? A systematic and meta-analytic review. Aggression and Violent Behavior 45: 134–153.
  • Gaffney H, Farrington DP and Ttofi MM (2019b) Examining the effectiveness of school-bullying intervention programs globally: A meta-analysis. International Journal of Bullying Prevention 1: 14–31.
  • Gaffney H, Ttofi MM and Farrington DP (2019c) Evaluating the effectiveness of school-bullying prevention programs: An updated meta-analytical review. Aggression and Violent Behavior 45: 111–133.
  • Gaffney H (2021) Developing Effective Anti-Bullying Practice: Free Online CPD Training for Professionals developed by the Anti-Bullying Alliance as part of its All Together programme. Child Abuse Review 30(5): 493–494.
  • Gaffney H, Farrington DP and White H (2021a) Anti-bullying Programmes: Toolkit technical report. Youth Endowment Fund. Available at: (accessed 6 July 2022).
  • Gaffney H, Ttofi MM, Farrington DP (2021b) What works in anti-bullying programs? Analysis of effective intervention components. Journal of School Psychology 85: 37–56.
  • Gregus SJ, Craig JT and Cavell TA (2020) Toward Evidence-Based Interventions for Chronically Bullied Children: Candidate Mechanisms and Potential Strategies. Evidence-Based Practice in Child and Adolescent Mental Health 5(1): 83–101.
  • Kärnä A, Voeten M, Poskiparta E et al. (2010) Vulnerable Children in Varying Classroom Contexts: Bystanders Behaviors Moderate the Effects of Risk Factors on Victimization. Merrill-Palmer Quarterly 56: 261–282.
  • Ng ED, Chua JYX and Shorey S (2020) The Effectiveness of Educational Interventions on Traditional Bullying and Cyberbullying Among Adolescents: A Systematic Review and Meta-Analysis. Trauma, Violence, & Abuse 23(1): 132–151.
  • Nickerson AB (2017) Preventing and Intervening with Bullying in Schools: A Framework for Evidence-Based Practice. School Mental Health 11: 15–18.
  • Nocentini A, Menesini E and Salmivalli C (2013) Level and change of bullying behavior during high school: A multilevel growth curve analysis. Journal of Adolescence 36: 495–505.
  • Pascual-Sanchez A, Mateu A, Martinez-Herves M et al. (2022) How are parenting practices associated with bullying in adolescents? A cross-sectional study. Child and Adolescent Mental Health 27(3): 223–231.
  • Polanin JR, Espelage DL and Grotpeter JK et al. (2021) A Systematic Review and Meta-analysis of Interventions to Decrease Cyberbullying Perpetration and Victimisation. Prevention Science 23: 439–454.
  • Salmivalli C (1999) Participant role approach to school bullying: Implications for interventions. Journal of Adolescence 22: 453–459.
  • Salmivalli C, Voeten M and Poskiparta E (2011) Bystander matter: Associations between reinforcing, defending, and the frequency of bullying behavior in classrooms. Journal of Clinical Child & Adolescent Psychology 40: 668–676.
  • Thornberg R and Wänström L (2018). Bullying and its association with altruism toward victims, blaming the victims, and classroom prevalence of bystander behaviors: A multilevel analysis. Social Psychology of Education 21: 1133–1151.
  • Valle JE, Williams LCA andStelko‐Pereira AC (2020) Whole‐school antibullying interventions: A systematic review of 20 years of publications. Psychology in the Schools 57(6): 868–883.
  • World Anti-Bullying Forum (nd) Homepage. Available at: (accessed 11 October 2022).
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