Theresa Coles, PhD, is an Associate Professor in Duke University School of Medicine's Department of Population Health Sciences, and co-director of the department's Center for Health Measurement;. As a health outcomes methodologist, she specializes in measuring and evaluating patient-reported outcomes (PROs) and other clinical outcomes assessments (COAs) to aid decision-making in healthcare delivery and clinical research settings. Dr. Coles’ research is centered on three key areas: (1) Enhancing the assessment of physical function and related concepts, (2) Improving the interpretability of PRO scores, and (3) Designing and implementing screeners to improve patient-centered care by measuring what matters. Dr. Coles employs qualitative and quantitative psychometric methodologies to answer measurement questions.