Craig D. Parks is Professor of Psychology at Washington State University. His research focuses on cooperation and noncooperation and reaction to non-normative actors in mixed-motive situations. He looks particularly at individual differences and social comparison processes as predictors of both cooperative choice and treatment of non-normative others. He also works as a consultant to energy companies in the Pacific Northwest on social psychological factors underlying resistance to energy conservation. He is the Editor of Group Dynamics and a former Associate Editor of Group Processes and Intergroup Relations, and he has coedited special issues of Organizational Behavior and Human Decision Processes on social dilemmas (2012) and on group decision-making processes (1999). Among his publications, he has coauthored a chapter (1995) in the Annual Review of Psychology on mixed-motive interaction, as well chapters in Social Dilemmas (1996, Westview Press) and Social Dilemmas: The Psychology of Human Cooperation (2013, Oxford University Press). He is currently on the editorial boards of the Journal of Personality and Social Psychology, Journal of Experimental Social Psychology, Psychological Science, Organizational Behavior and Human Decision Processes, Group Processes and Intergroup Relations, and Personality and Social Psychology Bulletin.
Jeff Joireman is an Associate Professor of Marketing at Washington State University where he teaches consumer behavior and marketing research, and serves as the department’s PhD Coordinator. His research focuses on cooperation in social dilemmas, proenvironmental behavior, aggression, time orientation, and financial decision making. Jeff has published over 60 articles and book chapters in psychology and marketing, with many appearing in the fields’ top journals, including Journal of Personality and Social Psychology, Personality and Social Psychology Bulletin, Journal of Applied Psychology, Organizational Behavior and Human Decision Processes, Journal of International Business Studies, and Journal of Retailing. In 2005, he coedited a book with Alan Strathman entitled Understanding Behavior on the Context of Time: Theory, Research and Application (Erlbaum). He has served on the editorial boards for the Journal of Personality and Social Psychology, Psychological Science, Journal of Environmental Psychology, and Group Dynamics and has won numerous honors and awards, including a Fulbright Scholarship to the Netherlands, multiple Dean’s Excellence Awards, an Outstanding Faculty Service Award, and the Department of Marketing’s Professor of the Year Award.
Paul Van Lange is Professor of Social Psychology and Chair of the Department of Social and Organizational Psychology at the VU University at Amsterdam, The Netherlands. Most of his research on human cooperation and trust is grounded in interdependence theory, through which he seeks to understand the functions of forgiveness, generosity, empathy, fairness, retaliation, competition, as well as general beliefs of human nature in various situations. With various colleagues around the globe, Van Lange has published several books, including the Atlas of Interpersonal Situations (2003, Cambridge), Bridging Social Psychology (2006, Erlbaum), Handbook of Theories of Social Psychology (2012, SAGE), and Social Dilemmas: The Psychology of Human Cooperation (2013, Oxford). He served as Associate Editor for various journals, such as Journal of Personality and Social Psychology and Psychological Science; coedited a special issue of Organizational Behavior and Human Decision Processes on social dilemmas; is founding editor of an interdisciplinary series on Social Dilemmas (published by Oxford); and has served as Director of the Kurt Lewin Institute and as President of the Society of Experimental Social Psychology.
