Charles "Chick" M. Judd is Professor of Distinction in the College of Arts and Sciences at the University of Colorado at Boulder. His research focuses on social cognition and attitudes, intergroup relations and stereotypes, judgment and decision making, and behavioral science research methods and data analysis.

Gary H. McClelland is Professor of Psychology at the University of Colorado at Boulder. A Faculty Fellow at the Institute of Cognitive Science, his research interests include judgment and decision making, psychological models of economic behavior, statistics & data analysis, and measurement and scaling.

Carey S. Ryan is a Professor in the Department of Psychology at the University of Nebraska at Omaha. She has research interests in stereotyping and prejudice, group processes, and program evaluation.