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Vadasy, Patricia F.; Sanders, Elizabeth A.; Nelson, J. Ron – Grantee Submission, 2015
A two-cohort cluster randomized trial was conducted to estimate effects of small-group supplemental vocabulary instruction for at-risk kindergarten English learners (ELs). "Connections" students received explicit instruction in high-frequency decodable root words, and interactive book reading (IBR) students were taught the same words in…
Descriptors: Kindergarten, Elementary School Students, English Language Learners, Instructional Effectiveness
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Condelli, Larry; Cronen, Stephanie; Bos, Johannes; Tseng, Fannie; Altuna, Jacklyn – National Center for Education Evaluation and Regional Assistance, 2010
To help improve research-based knowledge of effective instruction for low-literate ESL (English as a second language) learners, the National Center for Education Evaluation and Regional Assistance of ED's (U.S. Department of Education's) Institute of Education Sciences contracted with the American Institutes of Research (AIR) to conduct a Study of…
Descriptors: English (Second Language), Second Language Learning, Language Skills, Low Achievement
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Vaughn, Sharon; Martinez, Leticia R.; Linan-Thompson, Sylvia; Reutebuch, Colleen K.; Carlson, Coleen D.; Francis, David J. – Journal of Research on Educational Effectiveness, 2009
Two experimental studies to improve vocabulary knowledge and comprehension were conducted in 7th-grade social studies classes with English language learners (ELLs). Two different nonoverlapping samples of classes of 7th-grade students (N = 381 and N = 507) were randomly assigned at the classroom (i.e., section) level to a social studies…
Descriptors: Vocabulary, Second Language Learning, Vocabulary Development, Social Studies
Ryoo, Kihyun – ProQuest LLC, 2009
The significant increase of English Language Learners (ELLs) in the United States raises complex questions about how to provide these students with access to high quality education that can improve both their content knowledge of school subjects and their English proficiency, particularly their academic English proficiency. The development of…
Descriptors: Academic Discourse, Curriculum Design, Computer Simulation, Second Language Learning