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Rorie, Melissa; Gottfredson, Denise C.; Cross, Amanda; Wilson, Denise; Connell, Nadine M. – Journal of Adolescence, 2011
Evidence regarding the effectiveness of after-school programs (ASPs) for reducing problem behaviors is mixed. Unstructured ASPs may increase antisocial behavior by increasing "deviancy training" opportunities, when peers reinforce deviant attitudes and behaviors. This research analyses approximately 3000 five-minute intervals from 398 observations…
Descriptors: Behavior Problems, Middle School Students, Intervals, Violence
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Gottfredson, Denise C.; Soule, David A. – Journal of Research in Crime and Delinquency, 2005
This study examines the timing of juvenile delinquent behavior by crime type. A study of 513 youths participating in after-school programs indicates that crimes against persons are elevated during the after-school hours but not as much as during school. Property crime and drug use are not particularly elevated during the after-school hours.…
Descriptors: After School Programs, Crime, Violence, Substance Abuse
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Gottfredson, Gary D.; Gottfredson, Denise C.; Payne, Allison Ann; Gottfredson, Nisha C. – Journal of Research in Crime and Delinquency, 2005
Hypotheses about the association of school organizational characteristics with school crime and disorder were tested in a nationally representative sample of 254 secondary schools. Relatively small intra-class correlations suggest that most of the variance in the individual measures of school disorder result from within-school rather than…
Descriptors: Institutional Characteristics, Violence, Delinquency, Delinquency Prevention
Gottfredson, Gary D.; Gottfredson, Denise C. – 2001
This report describes approaches used by schools to prevent or reduce gang involvement among schools. The study of gang prevention and intervention builds on a large-scale National Study of Delinquency Prevention in Schools. A sample of 1,279 schools participated in the study. Overall, 7.6% of the male and 3.8% of the female secondary students…
Descriptors: Community Involvement, Delinquency, Intervention, Juvenile Gangs
Gottfredson, Gary D.; Gottfredson, Denise C.; Czeh, Ellen R.; Cantor, David; Crosse, Scott B.; Hantman, Irene – 2000
This project was undertaken to develop a comprehensive account of the levels of problem behaviors in schools. It also looked at what schools do to prevent problem behaviors and how they promote a safe and orderly environment. Chapter 1 provides an introduction to the study and explains some school-based interventions such as social competency…
Descriptors: Behavior Problems, Delinquency, Educational Environment, High Risk Students