Richard A. FeinbergRichard A. Feinberg has taught at the Graduate School of Education of the University of Pennsylvania and the Philadelphia College of Osteopathic Medicine. He is currently a Principal Psychometrician at the National Board of Medical Examiners where heoversees examination development, scoring, reporting, and operational research for various subspecialty medical boards, the United States Medical Licensing Examination, and the North American Veterinary Licensing Examination. Feinberg has published numerous articles across a broad range of statistical applications in the educational and psychological literature. Read More Read Less