William D. Marelich, Ph.D., is an Assistant Professor of Psychology at California State University, Fullerton. He is also a lecturer at UCLA and a consulting statistician with the UCLA Health Risk Reduction Projects. Dr. Marelich received his Ph.D. in Social Psychology from Claremont Graduate University and was an NIMH post-doctoral fellow at UCLA. He teaches courses in health psychology, close relationships, and quantitative methods. His research interests include decision-making strategies in health and organizational settings, patient-provider interactions, interpersonal relationships, and statistical/methodological approaches in experimental and applied research. He surfs as a hobby for health and peace of mind.Jeff S. Erger, Ph.D., is an Assistant Professor of Sociology at the University of Wisconsin, Eau Claire. He received his Ph.D. in sociology from the University of Iowa in 1997. He teaches courses in medical sociology, social psychology, and research methods. He has served as a University of Iowa Fellow and an NIMH post-doctoral fellow at UCLA and is now researching health care delivery to marginalized populations and the dynamics of communities in cyberspace. His research looks at the links between identity, community, and health. For his own health, he enjoys riding his bicycle and making chocolate truffles (but only once a year).