In the United States, government mandates for educational accountability have prompted an increase in testing in K-12 and higher education settings, resulting in a generation of millennial students who have undergone repeated assessment over the course of their educational careers. The cumulative effects of testing may range from increasingly…

In this article, I specify a conceptual framework for test validity research on content assessments taken by English language learners (ELLs) in U.S. schools in grades K-12. This framework is modeled after one previously delineated by Willingham et al. (1988), which was developed to guide research on students with disabilities. In this framework…

English language learners (ELLs) constitute one of the fastest growing subpopulations of students in the United States. It is important to determine whether the assessments used by states in determining students' proficiencies are valid and fair for ELLs. This study focused on several standards-based assessments in mathematics and science…

The No Child Left Behind 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 to validly measure the ELL students' English language proficiency (ELP). Although states have moved rapidly to meet these requirements, they face…