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BACKGROUND Research about the effectiveness of school-based psychosocial prevention programs for reducing aggressive and disruptive behavior was synthesized using meta-analysis. This work updated previous work by the authors and further investigated which program and student characteristics were associated with the most positive outcomes. METHODS Two(More)
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,(More)
This work is licensed under a Creative Commons Attribution 3.0 License. ©Maynard et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Citation Maynard BR, McCrea KT,(More)
This work is a Campbell Collaboration systematic review. The preparation of this review was aided by the availability of data and resources from overlapping meta-analysis projects that have been funded by the National Institute of Mental Health (NIMH), the Office of Juvenile Justice and Delinquency Prevention (OJJDP), and the Russell Sage Foundation.
The early events in the G2 checkpoint response to ionizing radiation (IR) were analyzed in diploid normal human fibroblasts (NHFs) and fibroblasts from patients with two heritable cancer syndromes. Exposure to y-radiation of asynchronously growing NHFs resulted in a rapid re duction in the number of cells in mitosis (G2 delay) and was accompanied by a(More)
A modification of the first stage of the standard procedure for two-stage meta-analytic structural equation modeling for use with large complex datasets is presented. This modification addresses two common problems that arise in such meta-analyses: (a) primary studies that provide multiple measures of the same construct and (b) the correlation coefficients(More)
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