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Lee Van Horn, M.; Ramey, S.L. – Early Childhood Research Quarterly, 2004
This study examines the psychometric properties of an observer measure of developmentally appropriate practices (DAP) for early elementary school classrooms, known as A Developmentally Appropriate Practices Template (ADAPT). Using a sample of 854-1511 first through third grade classrooms in 207-295 schools across 3 years, the study evaluates the…
Descriptors: Grade 3, Developmentally Appropriate Practices, Psychometrics, Classroom Environment

Maxwell, Kelly L.; McWilliam, R. A.; Hemmeter, Mary Louise; Ault, Melinda Jones; Schuster, John W. – Early Childhood Research Quarterly, 2001
Tested psychometric properties of a new measure of developmentally appropriate practices in kindergarten through third grade and the predictive value of classroom and teacher characteristics. Found that grade, class size, number of children with disabilities, teacher educational level, teacher experience, and teacher beliefs accounted for 42…
Descriptors: Class Size, Classroom Environment, Developmentally Appropriate Practices, Elementary School Teachers