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Li, Hongli; Suen, Hoi K. – Applied Measurement in Education, 2012
A meta-analysis using Hierarchical Linear Modeling (HLM) was conducted to examine the effects of test accommodations on the test performance of English language learners (ELLs). The results indicated that test accommodations improve ELLs' test performance by about 0.157 standard deviations--a relatively small but statistically significant…
Descriptors: Testing Accommodations, English (Second Language), Second Language Learning, Limited English Speaking