David Grembowski, Ph.D., M.A., is a professor in the Department of Health Ser- vices in the School of Public Health and the Department of Oral Health Sciences in the School of Dentistry, and adjunct professor in the Department of Sociology, at the University of Washington. He has taught health program evaluation to graduate students for more than twenty years. His evaluation interests are prevention, the performance of health programs and health care systems, survey research methods, and the social determinants of population health. His other work has examined efforts to improve quality by inc...