Various stakeholders, such as policymakers and educators, require diagnostic feedback and actionable test results. One particular context in which fine-grained test results are of utmost importance is English language proficiency (ELP) assessments as they are used for critical decisions for students. Diagnostic classification models (DCMs) afford…

In the US K-12 public school settings, each state's annual English language proficiency (ELP) assessment, as part of an educational accountability system, has tremendous impact on English learner (EL) students' academic paths and success. It is thus critical to establish a robust validation framework and empirical evidence to ensure that states'…

Despite the wide implementation of English graduation benchmark policy in Vietnam, students' voices on this one-size-fits-all policy have still been under-researched and under-represented. The purpose of this research, therefore, is twofold. The first is to examine whether any differences actually exist among Northern, Central and Southern…