Darlene Russ-Eft, PhD, is Professor and Discipline Liaison of Adult Education and Higher Education Leadership in the College of Education at Oregon State University. She is also a principal in zmresearch, an evaluation and research group focused on human resource development in organizations, and she has served as a faculty member of the Evaluators Institute. She is the former director of Research at AchieveGlobal, Inc. (one of the largest training and consulting firms) and the former director of Research Services at Zenger-Miller (a training firm focused on leadership). She is coauthor of A P...