NCEO Reports: A Review of the Literature on Measuring English Language Proficiency Progress of English Learners with Disabilities and English Learners (#408)

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The purpose of this literature review was to identify evidence-based practices used (or recommended for use) to measure progress of English learners (ELs) with disabilities on English language proficiency (ELP) assessments. In this report, we discuss how studies have defined ELP progress and the extent to which studies have examined ELP progress for ELs with disabilities. In addition, we examine the methodologies used to measure ELP progress, the evidence base for the studies, and findings specific to ELs with disabilities. The strength of the evidence base was evaluated based on: (a) transparency of study methods, (b) study samples, and (c) author-identified study limitations.

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