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How Close Is Close Enough? Evaluating Propensity Score Matching Using Data from a Class Size Reduction Experiment
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Wilde, Elizabeth Ty; Hollister, Robinson – Journal of Policy Analysis and Management, 2007
In recent years, propensity score matching (PSM) has gained attention as a potential method for estimating the impact of public policy programs in the absence of experimental evaluations. In this study, we evaluate the usefulness of PSM for estimating the impact of a program change in an educational context (Tennessee's Student Teacher Achievement…
Descriptors: Public Policy, Achievement Tests, Scores, Class Size
Effectiveness of "On Our Way to English" for Development of Reading and Oral Proficiency by Elementary English Learners: A Report of Randomized Experiments in a California and a Texas School District. Research Summary
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Empirical Education Inc., 2006
The authors conducted an experiment during the 2003-2004 school year to determine whether "On Our Way to English" ("OWE"), a product to help elementary students learn to read and speak English, was more effective in a California and a Texas school district than materials already in place. In the California study, 384 English…
Descriptors: Control Groups, Experimental Groups, Second Language Learning, Bilingual Students
Effectiveness of "On Our Way to English" as a Program for Development of Reading and Oral Proficiency by Elementary English Learners: A Report of Randomized Experiments in a California and a Texas School District. Research Report
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Newman, Denis; Jaciw, Andrew – Empirical Education Inc., 2005
The authors were asked to find out whether "On Our Way to English" ("OWE"), a supplementary, text-based product to help elementary school students learn to read and speak English was more effective in a California and a Texas school district than the materials the districts already had in place. They conducted an experiment…
Descriptors: Curriculum Implementation, Instructional Materials, Federal Aid, Interviews