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The Effectiveness of School-Based Violence Prevention Programs
Arch Pediatr Adolesc Med. 2002;156:748-749.
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THE SYSTEMATIC review and meta-analysis by Mytton et al1
represents an important contribution to knowledge. Their review is very carefully
and competently executed, and it is certainly far better than most narrative
or unsystematic reviews of this topic. The good news is that school-based
violence prevention programs that target high-risk youth are effective in
reducing aggressive behavior. The puzzling news is that the programs varied
considerably in their effectiveness, and it was not clear why.
Mytton et al conclude that school-based violence prevention programs
"modestly reduced" aggressive behavior and that "the ESs [effect sizes] appear
small." I would be much more optimistic than this. For aggressive behavior
(based on 28 studies), the weighted mean ES (here measured by the standardized
mean difference) was -0.36, and it was -0.59 for school or agency
responses to aggression (based on 9 studies). In criminology, we are often
concerned with the fraction of people . . . [Full Text of this Article]
RELATED ARTICLE
School-Based Violence Prevention Programs: Systematic Review of Secondary Prevention Trials
Julie A. Mytton, Carolyn DiGuiseppi, David A. Gough, Rod S. Taylor, and Stuart Logan
Arch Pediatr Adolesc Med. 2002;156(8):752-762.
ABSTRACT
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