Richard S BogartzRichard S. Bogartz is professor of psychology at the University of Massachusetts, Amherst. He has taught at the University of Illinois, the University of Iowa, and received his PhD at UCLA. He is the author of numerous articles in a variety ofjournals, including Journal of Experimental Psychology, Journal of Mathematical Psychology, Journal of Experimental Child Psychology, Psychological Bulletin, Perception & Psychophysics, and others. Read More Read Less