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Valentino, Rachel A.; Reardon, Sean F. – Educational Evaluation and Policy Analysis, 2015
This article investigates the differences in academic achievement trajectories from elementary through middle school among English Learner (EL) students in four different instructional programs: English Immersion (EI), Transitional Bilingual (TB), Developmental Bilingual (DB), and Dual Immersion (DI). Comparing students with the same parental…
Descriptors: Program Effectiveness, English Language Learners, Language Proficiency, Longitudinal Studies
Slavin, Robert E.; Madden, Nancy; Calderon, Margarita; Chamberlain, Anne; Hennessy, Megan – Educational Evaluation and Policy Analysis, 2011
This article reports the outcomes of a multiyear study comparing the English and Spanish language and reading performance of Spanish-dominant children randomly assigned, beginning in kindergarten, to transitional bilingual education (TBE) or structured English immersion (SEI) for periods of up to 5 years. On the Peabody Picture Vocabulary Test and…
Descriptors: Bilingual Education, Language of Instruction, Transitional Programs, Second Language Learning

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