Dr. Emil J. Posavac, Ph.D., is Professor of Psychology, Loyola University of Chicago. His research has been presented in a number of psychology and health care journals. He is the editor of a collection of papers on program evaluation in mental health care and, with Dr. Carey, the author of a forthcoming text on methods in program evaluation.
Dr. Raymond G. Carey, Ph.D., is Director of Evaluation and Research, Lutheran General Hospital in Park Ridge, Illinois. He is a specialist in health care evaluation, set up the Hospital's Quality Assurance Program, and has published many articles on his research.