Jon Krosnick is the Frederic O. Glover Professor in Humanities and Social Sciences at Stanford University, where he is also Professor of Communication, Professor of Political Science and Professor, by courtesy, of Psychology. In addition, he heads the Stanford Summer Institute in Political Psychology and the Stanford Political Psychology Research Group. He research focuses on the psychology of political attitudes and behavior, with particular interest in how political attitudes are formed, change, and shape thinking and action. An expert in questionnaire design and survey research methods, for the last 30 years he has served as a methodology consultant to government agencies, commercial firms and academic scholars. Among other distinctions, he has received the Philip Brickman Memorial Prize, the Pi Sigma Alpha Award and the Erik Erikson Early Career Award for Excellence and Creativity.