Family-based Prevention of Offending: A Meta-Analysis. David P. Farrington & Brandon C. Welsh 2003 Jenna Ayers Radford University. Overview. Review of the effectiveness of family-based prevention programs in reducing offending and antisocial behavior by children and adolescents.
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David P. Farrington & Brandon C. Welsh
The standardized mean difference d, which summarizes the difference between the experimental and control groups in standard deviation units: