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Vadasy, Patricia F.; Sanders, Elizabeth A.; Logan Herrera, Becky – Journal of Research on Educational Effectiveness, 2015
A multi-cohort cluster randomized trial was conducted to estimate effects of rich vocabulary classroom instruction on vocabulary and reading comprehension. A total of 1,232 fourth- and fifth-grade students from 61 classrooms in 24 schools completed the study. Students received instruction in 140 Tier Two vocabulary words featured in two…
Descriptors: Vocabulary Development, Grade 4, Grade 5, Elementary School Students
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Sato, Edynn; Rabinowitz, Stanley; Gallagher, Carole; Huang, Chun-Wei – National Center for Education Evaluation and Regional Assistance, 2010
This study examined the effect of linguistic modification on middle school students' ability to show what they know and can do on math assessments. REL West's study on middle school math assessment accommodations found that simplifying the language--or linguistic modification--on standardized math test items made it easier for English Language…
Descriptors: Test Items, Standardized Tests, Mathematics Tests, Testing Accommodations