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Kieffer, Michael J.; Rivera, Mabel; Francis, David J. – Center on Instruction, 2012
This report presents results from a new quantitative synthesis of research on the effectiveness and validity of test accommodations for English language learners (ELLs) taking large-scale assessments. In 2006, the Center on Instruction published a review of the literature on test accommodations for ELLs titled "Practical Guidelines for the…
Descriptors: Testing Accommodations, English Language Learners, Evidence, Meta Analysis
Francis, David J.; Rivera, Mabel; Lesaux, Nonie; Kieffer, Michael; Rivera, Hector – Center on Instruction, 2006
The fundamental principles underlying the "No Child Left Behind (NCLB) Act of 2001" focus on high standards of learning and instruction with the goal of increasing academic achievement--reading and math in particular--within all identified subgroups in the K-12 population. One of these subgroups is the growing population of English…
Descriptors: Elementary Secondary Education, Intervention, Federal Legislation, Academic Achievement