This is a highly accessible, comprehensive introduction to item response theory (IRT) models and their use in various aspects of assessment/testing. The book em

Item response theory (IRT) is widely used in education and psychology and is expanding its applications to other social science areas, medical research, and bus

Item response theory (IRT) has moved beyond the confines of educational measurement into assessment domains such as personality, psychopathology, and patient-re

Introduction to measurement -- The one-parameter model -- Joint maximum likelihood parameter estimation -- Marginal maximum likelihood parameter estimation -- T

This comprehensive Handbook focuses on the most used polytomous item response theory (IRT) models. These models help us understand the interaction between exami