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Steele, Jennifer L.; Slater, Robert O.; Zamarro, Gema; Miller, Trey; Li, Jennifer; Burkhauser, Susan; Bacon, Michael – American Educational Research Journal, 2017
Using data from seven cohorts of language immersion lottery applicants in a large, urban school district, we estimate the causal effects of immersion programs on students' test scores in reading, mathematics, and science and on English learners' (EL) reclassification. We estimate positive intent-to-treat (ITT) effects on reading performance in…
Descriptors: Immersion Programs, Reading Achievement, Mathematics Achievement, Science Achievement
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
Shneyderman, Aleksandr; Abella, Rodolfo – Bilingual Research Journal, 2009
This study was conducted to explore the effects of a two-way immersion bilingual program on maintenance/acquisition of Spanish-language proficiency and on reading and mathematics achievement in English over a period of 4 academic years. The researchers used Hierarchical Linear Modeling (HLM) techniques to compare the effects of two different…
Descriptors: Reading Comprehension, Second Language Programs, Models, Language Arts