The Effects of School-Based Intervention Programs on Aggressive Behavior: A Meta-Analysis

Research on the effectiveness of school-based programs for preventing or reducing aggressive behavior was synthesized with a meta-analysis. Changes in aggressive behavior between pretest and posttest were analyzed for developmental patterns and characteristics associated with differential effects. C...

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Bibliographic Details
Published in:Journal of consulting and clinical psychology 2003-02, Vol.71 (1), p.136-149
Main Authors: Jo Wilson, Sandra, Lipsey, Mark W, Derzon, James H
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aggression
Aggression - psychology
Aggressive Behavior
Aggressiveness
Biological and medical sciences
Child
Child, Preschool
Children
Educational Program Evaluation
Educational Programs
Female
Human
Humans
Intervention
Male
Medical sciences
Mental health
Models, Psychological
Outcomes
Prevention. Health policy. Planification
Program Evaluation
Psychology
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
School based
School Based Intervention
School counseling
School Health Services - standards
Social Behavior Disorders - diagnosis
Social Behavior Disorders - epidemiology
Social Behavior Disorders - prevention & control
Social psychiatry. Ethnopsychiatry
Systematic review
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Summary:Research on the effectiveness of school-based programs for preventing or reducing aggressive behavior was synthesized with a meta-analysis. Changes in aggressive behavior between pretest and posttest were analyzed for developmental patterns and characteristics associated with differential effects. Control groups showed little change in aggressive behavior, but there were significant reductions among intervention groups. Most studies were conducted on demonstration programs; the few studies of routine practice programs showed much smaller effects. Among demonstration programs, positive outcomes were associated with a variety of study, subject, and intervention characteristics. Most notably, higher risk youth showed greater reductions in aggressive behavior, poorly implemented programs produced smaller effects, and different types of programs were generally similar in their effectiveness, other things equal.
ISSN:0022-006X
1939-2117
DOI:10.1037/0022-006X.71.1.136