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Goldstein, Howard; Ziolkowski, Robyn A.; Bojczyk, Katherine E.; Marty, Ana; Schneider, Naomi; Harpring, Jayme; Haring, Christa D. – Grantee Submission, 2017
Purpose: This study investigated cumulative effects of language learning, specifically whether prior vocabulary knowledge or special education status moderated the effects of academic vocabulary instruction in high-poverty schools. Method: Effects of a supplemental intervention targeting academic vocabulary in first through third grades were…
Descriptors: Language Acquisition, Children, Low Income Groups, Comparative Analysis
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