Chih-Hung Chang
Chih-Hung Chang
Professor
Biography
Dr. Chih-Hung Chang is Professor of Occupational Therapy, Medicine, Orthopedic Surgery, and Public Health at Washington University in St. Louis. Before joining Washington University, he was Professor of Physical Medicine and Rehabilitation and Professor of Physical Therapy and Human Movement Sciences at Northwestern University Feinberg School of Medicine. He also served as Director of Clinical Outcomes and Infometrics at the Shirley Ryan AbilityLab, which was then known as the Rehabilitation Institute of Chicago.
Dr. Chang is a psychometrician and health services researcher with training in research methodology and quantitative psychology. His research integrates advanced methodology and technology to improve clinical outcomes assessment, health professions education, and care delivery across the continuum of care. He has extensive expertise in patient-centered outcomes measurement, item response theory (IRT), computerized adaptive testing (CAT), and advanced quantitative methods for precision assessment.
Dr. Chang developed the field of Clinical Infometrics, which synthesizes measurement science, data science analytics, evidence-based medicine, and health informatics to support real-time clinical decision-making and improve symptom and disease management over time.
More recently, Dr. Chang has extended this work to medical and health professions education, applying psychometric, data science, and artificial intelligence methods to learner assessment, competency-based education, clinical reasoning evaluation, and precision education. This work aims to support individualized feedback, evidence-based educational decision-making, and continuous improvement in healthcare professional preparation.
Dr. Chang earned his bachelor’s degree in psychology from National Chengchi University in Taipei, Taiwan, in 1987 and his PhD from the Committee on Research Methodology and Quantitative Psychology in the Department of Psychology at the University of Chicago in 1995. He has authored or co-authored more than 100 journal articles and book chapters and served as Co-Editor-in-Chief of the Journal of Patient-Reported Outcomes.
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