Different forms of accommodation have been suggested in the assessment of English language learners (ELL). This study examined the effectiveness of a few accommodation strategies on the performance of ELL students in mathematics. A group of 946 eighth graders participated in this study. Using mathematics test items from the National Assessment of…

The impact of testing accommodation on the performance of students with limited English proficiency (LEP) was studied, focusing on the possibility of differential impact of accommodation strategies on subgroups formed based on students' background characteristics and the validity of assessments using accommodated versus nonaccommodated…