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Mihaly, Kata; McCaffery, Daniel; Sass, Tim R.; Lockwood, J. R. – National Center for Analysis of Longitudinal Data in Education Research, 2012
In this paper we consider the challenges involved in evaluating teacher preparation programs when controlling for school contextual bias. Including school fixed effects in the achievement models used to estimate preparation program effects controls for school environment by relying on differences among student outcomes within the same schools to…
Descriptors: Teacher Certification, Educational Environment, Preservice Teacher Education, Educational Quality
McCaffrey, Daniel F.; Lockwood, J. R.; Koretz, Daniel M.; Hamilton, Laura S. – RAND Corporation, 2003
Value-added modeling (VAM) to estimate school and teacher effects is currently of considerable interest to researchers and policymakers. Recent reports suggest that VAM demonstrates the importance of teachers as a source of variance in student outcomes. Policymakers see VAM as a possible component of education reform through improved teacher…
Descriptors: Educational Change, Accountability, Inferences, Models