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Babinski, Leslie M.; Amendum, Steven J.; Knotek, Steven E.; Sánchez, Marta; Malone, Patrick – American Educational Research Journal, 2018
Using a randomized controlled trial, we tested a new teacher professional development program for increasing the language and literacy skills of young Latino English learners with 45 teachers and 105 students in 12 elementary schools. School-based teams randomly assigned to the intervention received professional development focused on cultural…
Descriptors: Elementary School Students, Hispanic American Students, Second Language Instruction, English Language Learners
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Lesaux, Nonie K.; Kieffer, Michael J.; Kelley, Joan G.; Harris, Julie Russ – American Educational Research Journal, 2014
We conducted a randomized field trial to test an academic vocabulary intervention designed to bolster the language and literacy skills of linguistically diverse sixth-grade students (N = 2,082; n = 1,469 from a home where English is not the primary language), many demonstrating low achievement, enrolled in 14 urban middle schools. The 20-week…
Descriptors: Middle School Students, Control Groups, Experimental Groups, Vocabulary Development