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) 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

Over the past several decades, item response theory (IRT) and item response modeling (IRM) have become increasingly popular in the behavioral, educational, soci

Every year roughly 100,000 fatal and injury crashes occur in the United States involving large trucks and buses. The Federal Motor Carrier Safety Administration