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How can adolescent aggression be reduced? A multi-level meta-analysis.

Laura Castillo-Eito1, Christopher J Armitage2, Paul Norman1

  • 1Department of Psychology, The University of Sheffield, Cathedral Court, 1 Vicar Lane, Sheffield S1 2LT, United Kingdom.

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Summary
This summary is machine-generated.

Psychosocial interventions effectively reduce adolescent aggression, with small-to-medium effects. Shorter interventions, those in the Middle East, and targeting high-risk youth were most successful.

Keywords:
AdolescenceAggressionBehavior change techniqueMulti-level meta-analysis

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Area of Science:

  • Psychology
  • Public Health
  • Criminology

Background:

  • Adolescent aggression poses significant social and economic burdens.
  • Existing interventions to reduce aggression have varied effectiveness.
  • Factors influencing intervention success require further investigation.

Purpose of the Study:

  • To quantify the effectiveness of interventions aimed at reducing adolescent aggression.
  • To identify moderators of intervention effectiveness (when and for whom interventions work best).

Main Methods:

  • Systematic review and multi-level meta-analysis of randomized controlled trials.
  • Searched 16 databases, screening 9795 records, and including 95 studies.
  • Utilized the Behaviour Change Technique Taxonomy to classify intervention components.

Main Results:

  • A significant overall small-to-medium effect size (d = 0.28) was found for interventions reducing adolescent aggression.
  • Interventions of shorter duration, conducted in the Middle East, and targeting higher-risk adolescents were more effective.
  • Behavioral practice and problem-solving techniques were key components for general populations.

Conclusions:

  • Psychosocial interventions demonstrate effectiveness in reducing aggressive behavior among adolescents.
  • Future research should explore individual techniques and their combinations for optimal aggression reduction.
  • Optimizing intervention strategies can mitigate the social and economic costs of adolescent aggression.