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Wolf, Mikyung Kim; Kao, Jenny; Herman, Joan; Bachman, Lyle F.; Bailey, Alison; Bachman, Patina L.; Farnsworth, Tim; Chang, Sandy M. – National Center for Research on Evaluation, Standards, and Student Testing (CRESST), 2008
The No Child Left Behind (NCLB) Act has made a great impact on states' policies in assessing English language learner (ELL) students. The legislation requires states to develop or adopt sound assessments in order to validly measure the ELL students' English language proficiency (ELP), as well as content knowledge and skills. Although states have…
Descriptors: Research and Development, Federal Legislation, Validity, Second Language Learning