David R. Shaffer is a Professor and Undergraduate Coordinator of Psychology at the University of Georgia, where he focuses on the Social and Life-Span Developmental Psychology Programs. He has been teaching courses in human development to graduate and undergraduate students for nearly 30 years. His many research articles have concerned such topics as altruism, attitudes and persuasion, moral development, sex roles and social behavior, self-disclosure, and social psychology and the law. He has also served as associate editor for the "Journal of Personality and Social Psychology," "Personality and Social Psychology Bulletin," and "Journal of Personality." In 1990 Dr. Shaffer received the… University of Georgia's highest instructional honor�the Josiah Meigs award for Excellence in Instruction.