Robert W. Proctor, PhD, is Distinguished Professor of Psychological Sciences at Purdue University and has published over 275 articles and numerous books and chapters. His coauthored books include Attention: Theory and Practice (2 4), Human Factors in Simple and Complex Systems (3rd ed., 2 8), and Skill acquisition and training (2 7). He is Fellow of American Psychological Association, Association for Psychological Science, and Human Factors and Ergonomics Society. He received the 2 3 Franklin V. Taylor Award for Outstanding Contributions in the Field of Applied Experimental/Engineering Psychology and 2 8 Paul M. Fitts Education Award for outstanding contributions to the education and training of human factors and ergonomics specialties. Kim-Phuong L. Vu, PhD, is Professor of Psychology at California State University, Long Beach. Dr. Vu has over publications relating to human performance, human factors, and HCI. She co-edited the Handbook of Human Factors in Web Design (2 ), and has served as associate editor for Behavior Research Methods and Human Factors. Dr. Vu is a fellow of American Psychological Association, Association for Psychological Science, and Human Factors and Ergonomics Society, and recipient of the 2 2 Franklin V. Taylor Award for Outstanding Contributions in the Field of Applied Experimental/Engineering Psychology. She specializes in developing implications of basic research findings for applied design problems.