William Crano, Ph.D., is Professor of Psychology at Claremont Graduate University in Claremont, California.  His basic research is concerned with social influence, especially the impact of minorities on the beliefs and actions of the majority, and on the effects of self-interest on attitudes and actions.  His applied research is concerned with the development of persuasive and instructional information to prevent the spread of HIV/AIDS, and to prevent drug abuse, in children and adolescents.  He is a fellow of the APA and APS, has been a NATO Senior Scientist, a Fulbright Fellow to Brazil, and a liaison scientist in the behavioral sciences for the Office of Naval Research, London.  He also has served as the Chair of the Executive Committee for the Society of Experimental Social Psychology, and as Director of the Program in Social Psychology at NSF.  He is on the editorial boards of Human Communication Research and the Journal of Personality and Social Psychology, and previously served on the boards of Personality and Social Psychology Bulletin, Basic and Applied Social Psychology, and the International Journal of Group Tensions.