W. Steven Rholes, PhD, is Professor and Head of the Department of Psychology at Texas A&M University. He has conducted research programs in social cognition, children's social development, and adult attachment since receiving a degree in psychology from Princeton University in 1978. In 1992, along with his colleague Jeffry Simpson, Dr. Rholes published one of the first studies to confirm predictions about avoidant attachment style, using behavioral observations as evidence. For the past decade, the impact of attachment styles on emotional support sought and provided by members of romantic couples has been the central focus of his research program. Dr. Rholes has also served in two administrative positions, department chair and associate dean, during this period. Jeffry A. Simpson, PhD, is Professor of Psychology at the University of Minnesota. Formerly, he was Professor of Psychology at Texas A&M University. Dr. Simpson received his doctorate in psychology from the University of Minnesota in 1986. His research focuses on interpersonal relationships, evolution and social behavior, and social influence, and he serves as Associate Editor for the Journal of Personality and Social Psychology.