William Shadish
William R. Shadish is Professor and Founding Faculty, University of California, Merced. He received his bachelor's degree in sociology from Santa Clara University in 1972, and his M.S. (1975) and Ph.D. (1978) degrees from Purdue University in clinical psychology. He completed a postdoctoral fellowship in methodology and program evaluation at Northwestern University from 1978-1981. His current research interests include experimental and quasi-experimental design, the empirical study of methodological issues, the methodology and practice of meta-analysis, and evaluation theory. He is author (with T.D. Cook & D.T. Campbell, 2002) of Experimental and Quasi-Experimental Designs for Generalized Causal Inference , (with T.D. Cook & L.C. Leviton, 1991) of Foundations of Program Evaluation , (with L. Robinson & C. Lu, 1997) of ES: A Computer Program and Manual for Effect Size Calculation , co-editor of five other volumes, and the author of over 100 articles and chapters. He was 1997 President of the American Evaluation Association, winner of the 1994 Paul F. Lazarsfeld Award for Evaluation Theory from the American Evaluation Association, the 2000 Robert Ingle Award for service to the American Evaluation Association, the 1994 and 1996 Outstanding Research Publication Awards from the American Association for Marriage and Family Therapy, and the 2002 Donald T. Campbell Award for Innovations in Methodology from the Policy Studies Organization. He is a Fellow of both the American Psychological Association and the American Psychological Society, and a past editor of New Directions for Evaluation .