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Gottfredson, Denise C.; DiPietro, Stephanie M. – Sociology of Education, 2011
This study assesses the effects of three aspects of school organization--student enrollment, student-teacher ratio, and the number of different students taught--on the property and personal victimization experiences of students. It hypothesizes that smaller schools, schools with lower ratios of students to adults, and schools in which the number…
Descriptors: Teacher Student Ratio, Delinquency Prevention, Prevention, School Size
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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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Wilson, Denise M.; Gottfredson, Denise C.; Cross, Amanda B.; Rorie, Melissa; Connell, Nadine – Journal of Early Adolescence, 2010
Leisure activities that occur outside of the school hours may facilitate positive youth development.The experiences of youth in three categories of activities (basketball and football, other sports, and nonsports) are examined in this study. Based on prior research, it is hypothesized that students participating in basketball and football will…
Descriptors: Team Sports, Adolescents, Leisure Time, Behavior Problems