Standardized measures are often used as an index of students' reading comprehension and scores have important implications, particularly for students who perform below expectations. This study examined secondary-level students' patterns of responding and the prevalence and impact of non-attempted items on a timed, group-administered,…

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…