Assessing Evaluation Studies: The Case of Bilingual Education Strategies
Panel to Review Evaluation Studies of Bilingual Education, Committee on National Statistics, Commission on Behavioral and Social Sciences and Education, Division of Behavioral and Social Sciences and Education, National Research Council
National Academies Press, Jan 15, 1992 - Education - 118 pages
Bilingual education has long been the subject of major disagreements in this country. This book provides a detailed critique of the two largest studies of U.S. bilingual education programs. It examines the goals of the studies and what can be learned from them. In addition, using these studies as cases, this book provides guidelines on how to plan large evaluation studies to achieve useful answers to major policy questions about education.
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Research Methodology and Bilingual Education
The Longitudinal Study
The Immersion Study
Lessons for the Future
Conclusions and Recommendations
A Bilingual Education in the United States
B Trajectory Analysis of Matched Percentiles
achievement assignment biases Bilingual Education Act bilingual education programs Carnegie Mellon University causal inferences Chapter characteristics classroom cohort conclusions correlated covariates data analysis data collection Department of Education Development Associates discussion Early-exit Programs Effectiveness of Services English language arts estimates evaluation studies example exit experiments external validity future studies grade hidden bias Immersion and Early-exit Immersion Report immersion strategy Immersion Study implemented instructional exposure intervention issue language proficiency Late-exit Programs late-exit transitional bilingual LEP students limited English proficient LM-LEP population LM-LEP students Longitudinal and Immersion longitudinal phase Longitudinal Study mathematics missing data National Longitudinal native language native-language instruction objectives observational studies outcomes percent problems Q-Q plot Ramirez randomized regression Research Triangle Institute school districts selected service clusters services provided Simpson's paradox Spanish specific study design TAMP curve teachers transitional bilingual education treatment U.S. Department unit of analysis University variables variation