NotesFAQContact Us
Collection
Advanced
Search Tips
Showing all 2 results Save | Export
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
Peer reviewed Peer reviewed
Ercikan, Kadriye – International Journal of Testing, 2002
Disentangled sources of differential item functioning (DIF) in a multilanguage assessment for which multiple factors were expected to be causing DIF. Data for the Third International Mathematics and Science study for four countries and two languages (3,000 to 11,000 cases in each comparison group) reveal amounts and sources of DIF. (SLD)
Descriptors: Cross Cultural Studies, English, French, International Studies