ผู้เขียน: David L. Vannette

David L. Vannette is Principal Research Scientist for Qualtrics, an industry-leading provider of Online Survey Software, and a Ph.D. Candidate in the Department of Communication, Stanford University, USA. His research focuses on developing and exploring best practices in survey methodology and understanding the measurement and effects of exposure to research results published in the news media. Jon A. Krosnick is the Frederic O. Glover Professor in Humanities and Social Sciences, Professor of Communication, Political Science, and (by courtesy) Psychology, Stanford University, USA. Winner of the American Association for Public Opinion Research’s Lifetime Achievement Award, his research focuses on attitude formation, change, and effects, on the psychology of political behaviour, and on survey research methods.