Ximena Arriaga is currently an Associate Professor of Psychological Sciences at Purdue University. Her doctoral degree from the University of North Carolina at Chapel Hill is in Social Psychology, with minors in Quantitative Psychology and Developmental Science. Her primary areas of research are relationship commitment, uncertainty, and partner aggression. She also does some research on family functioning among Latinos. Her research has been funded by NIMH and contributes to the relationships and intimate partner violence literatures. She has served as an Associated Editor or Consulting Editor for Journal of Personality and Social Psychology, Journal of Social and Personal Relationships, and Personal Relationships. Dr. Arriaga has received several teaching awards Stuart Oskamp (Ph.D., Stanford University) has focused his research interests in the areas of attitudes and attitude change, applied social psychology, behavioral aspects of energy and resource conservation, and social issues and public policy. His books include Attitudes and Opinions and Applied Social Psychology. He has been elected a member of the American Psychological Association (APA) Council of Representatives and President of the Society for the Psychological Study of Social Issues (SPSSI) and of the APA Division of Population and Environmental Psychology. He has also served as editor of the Journal of Social Issues and of the Applied Social Psychology Annual. Since 1984 he has organized the Claremont Symposium on Applied Social Psychology and co-edited the resulting annual volume published for many years by Sage Publications and now published by Erlbaum.