The Changing Nature of Performance: Implications for Staffing, Motivation, and Development
DANIEL R. ILGEN is a past president of SIOP and is currently the John A. Hannah Professor of Organizational Behavior at Michigan State University, teaching in the departments of Psychology and Management. His research has focused on the general area of work motivation and interpersonal behaviors at work.  He is presently the editor of Organizational Behavior and Human Decision Processes.ELAINE D. PULAKOS is the current president of SIOP, and she is also the Director of Personnel Decisions Research Institute's Washington DC office.  Her research and consulting interests are focused on the areas of personnel selection and performance appraisal.