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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
Steele, Jennifer L.; Slater, Robert O.; Zamarro, Gema; Miller, Trey; Li, Jennifer; Burkhauser, Susan; Bacon, Michael – Grantee Submission, 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 – Center for Research and Reform in Education, 2010
This paper reports the fifth-year results of a 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). This is the first randomized study to compare TBE and SEI reading…
Descriptors: Bilingual Education, Receptive Language, Language Skills, Bilingualism