Keith Davis, PhD, is Professor of Psychology and former chair of the Department of Psychology at the University of South Carolina, Columbia. He earned his PhD in social-personality psychology at Duke University in 1962, and has taught at Princeton, Rutgers, and the University of Colorado, Boulder. He is a Fellow of the American Psychological Association (Division 9), The American Psychological Society, and a recent winner of the University's Educational Foundation Award for Research in the Humanities and the Social Sciences. He was a founding associate editor of "Personal Relationships. " His