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Brown, Eric C.; Graham, John W.; Hawkins, J. David; Arthur, Michael W.; Baldwin, Megan M.; Oesterle, Sabrina; Briney, John S.; Catalano, Richard F.; Abbott, Robert D. – Evaluation Review, 2009
Communities That Care (CTC) is a prevention system designed to reduce adolescent substance use and delinquency through the selection of effective preventive interventions tailored to a community's specific profile of risk and protection. A community-randomized trial of CTC, the Community Youth Development Study, is currently being conducted in 24…
Descriptors: Longitudinal Studies, Cohort Analysis, Community Characteristics, Prevention
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Walston, Jill; Rathbun, Amy; Hausken, Elvira Germino – National Center for Education Statistics, 2008
This report uses data from the Early Childhood Longitudinal Study, Kindergarten Class of 1998-99 (ECLS-K) to describe the middle school experiences of the cohort. The ECLS-K followed the educational, socioemotional, and physical development of a nationally representative sample of kindergartners in public and private schools in the United States…
Descriptors: Longitudinal Studies, Cohort Analysis, Middle School Students, Data Collection
Franklin, Bobby J.; Crain-Dorough, Mindy – Education Working Paper Archive, 2006
The National Governors' Association is urging states to develop a standardized cohort graduation rate definition and to develop data systems with quality data that can in turn be used to produce a reliable indicator. This paper is an examination of one state's graduation rate using the cohort method. The statistics generated are compared to a…
Descriptors: High School Graduates, Graduation Rate, Comparative Analysis, Statistical Analysis