 Li Cai (psychometrician)

Li Cai is a prominent figure in the field of psychometrics, which is the science of measuring psychological attributes such as intelligence, personality, and cognitive abilities. He is known for his work in areas such as educational measurement, statistical modeling, and the development of psychometric models and methodologies. Cai has contributed to advancements in item response theory (IRT), a framework often used in educational assessments to analyze the relationship between individuals' abilities and their item responses on tests.