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Download full textP. Schochet; T. Cook; J. Deke; G. Imbens; J. R. Lockwood; J. Porter; J. Smith – What Works Clearinghouse, 2010
Regression discontinuity (RD) designs are increasingly used by researchers to obtain unbiased estimates of the effects of education-related interventions. These designs are applicable when a continuous "scoring" rule is used to assign the intervention to study units (for example, school districts, schools, or students). Under an RD…
Descriptors: Educational Research, Intervention, Matched Groups, Bias
Puma, Michael; Bell, Stephen; Cook, Ronna; Heid, Camilla; Shapiro, Gary; Broene, Pam; Jenkins, Frank; Fletcher, Philip; Quinn, Liz; Friedman, Janet; Ciarico, Janet; Rohacek, Monica; Adams, Gina; Spier, Elizabeth – Administration for Children & Families, 2010
This Technical Report is designed to provide technical detail to support the analysis and findings presented in the "Head Start Impact Study Final Report" (U.S. Department of Health and Human Services, January 2010). Chapter 1 provides an overview of the Head Start Impact Study and its findings. Chapter 2 provides technical information on the…
Descriptors: Preschool Children, Disadvantaged Youth, Low Income Groups, Kindergarten
