The use of multistage adaptive testing (MST) has gradually increased in large-scale testing programs as MST achieves a balanced compromise between linear test design and item-level adaptive testing. MST works on the premise that each examinee gives their best effort when attempting the items, and their responses truly reflect what they know or can…

The Korean College Scholastic Ability Test (CSAT) aims to assess Korean high school students' scholastic ability required for college readiness. As a high-stakes test, the examination serves as a pivotal hurdle for university admission and exerts a strong washback effect on the educational system in Korea. The present study set out to investigate…