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Direct linkLeow, Christine; Wen, Xiaoli; Korfmacher, Jon – Applied Developmental Science, 2015
This article compares regression modeling and propensity score analysis as different types of statistical techniques used in addressing selection bias when estimating the impact of two-year versus one-year Head Start on children's school readiness. The analyses were based on the national Head Start secondary dataset. After controlling for…
Descriptors: Early Intervention, Regression (Statistics), Databases, Predictor Variables
Pianta, Robert; Howes, Carollee; Burchinal, Margaret; Bryant, Donna; Clifford, Richard; Early, Diane; Barbarin, Oscar – Applied Developmental Science, 2005
This study draws from the National Center for Early Development and Learning's Multi-State Pre-Kindergarten Study to examine the extent to which program, classroom, and teacher attributes of the program ecology predict observed quality and teacher-child interactions in a sample of 238 classrooms representing 6 states' pre-kindergarten programs.…
Descriptors: Preschool Teachers, Predictor Variables, Educational Quality, Classroom Environment
