A short tutorial on item response theory in rheumatology.

  title={A short tutorial on item response theory in rheumatology.},
  author={Liseth Siemons and Eswar Krishnan},
  journal={Clinical and experimental rheumatology},
  volume={32 4},
OBJECTIVES The aim is to familiarize physicians and researchers with the most important concepts of item response theory (IRT) and with its usefulness for improving test administration and data collection in health care. Special attention is given to the versatility of its use within the rheumatic field. METHODS This short tutorial describes the most… CONTINUE READING