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Direct linkSullivan, Amanda L.; Field, Samuel – Journal of School Psychology, 2013
The purpose of this study was to examine the average treatment effect of preschool special education services on children's kindergarten academic skills. Using data from a nationally representative sample of United States children who participated in the Early Childhood Longitudinal Study--Birth Cohort, we examined the effectiveness of preschool…
Descriptors: Longitudinal Studies, Cohort Analysis, Control Groups, Experimental Groups
Download full textPresser, Ashley Lewis; Clements, Margaret; Ginsburg, Herbert; Ertle, Barbrina – Education Development Center, Inc., 2012
"Research Findings: Big Math for Little Kids" ("BMLK") is a mathematics curriculum designed for 4- and 5-year-old children. In this study, the curriculum was evaluated for effectiveness over two years, using a cluster-randomized controlled study. Over 750 children participated in the study and experienced either the…
Descriptors: Outcome Measures, Mathematics Curriculum, Control Groups, Mathematics Education
