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Derman-Sparks, Louise – Journal of Pedagogy, 2016
This article, written by one of the teachers in the Ypsilanti Perry Preschool Project (1962-1967), critically examines the prevailing narrative about the preschool project's relationship to the High/Scope Educational Foundation. It describes what the author and other teachers actually did, the principles that informed their practice, and…
Descriptors: Preschool Education, Longitudinal Studies, Civil Rights, Equal Education
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Graham, Suzanne E.; Kurlaender, Michal – Journal of Educational Research, 2011
Educational researchers frequently study the impact of treatments or interventions on educational outcomes. However, when observational or quasiexperimental data are used for such investigations, selection bias can adversely impact researchers' abilities to make causal inferences about treatment effects. One way to deal with selection bias is to…
Descriptors: Investigations, Educational Research, Research Methodology, Educational Objectives