Jacqueline A-M. Coyle-Shapiro is a reader in Organizational Behavior in the Department of Industrial Relations at the London School of Economics where she received her PhD. Her current research interests include the employment relationship, psychological contracts, organizational citizenship behavior, and organizational change. She has published in such journals as the European Journal of Work and Organizational Psychology, the Journal of Applied Behavioral Science and the Journal of Vocational Behavior. She is Consulting Editor, and has served as Guest Editor, for the Journal of Organziational Behavior. Lynn M. Shore is a Professor of Management and Senior Associate in the W.T. Beebe Institute of Personnel and Employment Relations at Georgia State University. She is also a Visiting Professor at the Graduate School of Management at the University of California, Irvine. She is an Associate Editor for the Journal of Applied Psychology, has served as Guest Editor for the Journal of Organizational Behavior, and serves on the editorial board of the Journal of Organizational Behavior and Human Resource Management Review. M. Susan Taylor is Deans Professor of Human Resources and Director of the Center for Human Capital, Innovation, and Technology (HCIT) at the Robert H. Smith School of Business, University of Maryland at College Park. She received her Ph.D from Purdue University and is currently working the areas of organizational justice, strategic human resource management, the employee-organization relationship, and managerial career transitions. Taylor has published in such journals as the Academy of Management Journal, Administrative Science Quarterly, the Journal of Applied Psychology, Organizational Science, Personnel Psychology, and Orgnaizational Behavior and Human Decision Processes. Lois E. Tetrick is Director of the Industrial and Organizational Psychology Programme at the George Mason University. She is Associate Editor of the Journal of Occupational Health Psychology, and serves on the editorial board of the Journal of Organizational Behavior. Her research has focused primarily on individuals' perceptions of the employment relationship and their reactions to these perceptions including issues of occupational health and safety, occupational stress, and organizational/union commitment.