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Li, Linlin; Flynn, Kylie; Ringstaff, Cathy; Tripathy, Rachel; Lepori, Kathleen; Wang, Jennifer – Grantee Submission, 2016
This study evaluated the efficacy of the Word Learning Strategies (WLS) supplementary program designed to develop upper-elementary students' vocabulary skills in order to improve reading comprehension. The study used a true, group-randomized, experimental design, which randomly assigned 46 4th grade classrooms (n=1324 students) from 12 districts…
Descriptors: Elementary School Students, Vocabulary Development, Reading Comprehension, Program Effectiveness
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Vaughn, Sharon; Roberts, Greg; Wexler, Jade; Vaughn, Michael G.; Fall, Anna-Mária; Schnakenberg, Jennifer B. – Journal of Learning Disabilities, 2015
A 2-year, randomized control trial with 9th to 10th grade students with significant reading problems was provided for 50 minutes a day in small groups. Comparison students were provided an elective class and treatment students the reading intervention. Students were identified as demonstrating reading difficulties through failure on their state…
Descriptors: High School Students, Reading Comprehension, Reading Difficulties, Reading Programs
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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