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Abedi, Jamal; Zhang, Yu; Rowe, Susan E.; Lee, Hansol – Educational Measurement: Issues and Practice, 2020
Research indicates that the performance-gap between English Language Learners (ELLs) and their non-ELL peers is partly due to ELLs' difficulty in understanding assessment language. Accommodations have been shown to narrow this performance-gap, but many accommodations studies have not used a randomized design and are based on relatively small…
Descriptors: English Language Learners, Achievement Gap, Mathematics Tests, Standards
Abedi, Jamal – Center for Research on Evaluation Standards and Student Testing CRESST, 2004
Research reports major concerns over classification and measurement for students with limited English proficiency (LEP). A poor operational definition of the English language proficiency construct and validity concerns about existing language proficiency tests are among these issues. Decisions on including LEP students in large-scale assessments…
Descriptors: Federal Legislation, National Competency Tests, Language Proficiency, Limited English Speaking