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Abedi, Jamal; Courtney, Mary; Leon, Seth; Kao, Jenny; Azzam, Tarek – National Center for Research on Evaluation, Standards, and Student Testing (CRESST), 2006
This study investigated the interactive effects between students' opportunity to learn (OTL) in the classroom, two language-related testing accommodations, and English language learner (ELL) students and other students of varying language proficiency, and how these variables impact mathematics performance. Hierarchical linear modeling was employed…
Descriptors: Program Effectiveness, Grade 8, Second Language Learning, Grade 7