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Photo of Bill Klein

Bill Klein

  • SPN Mentor

I have research interests in social comparison, self-affirmation, unrealistic optimism, risk perception, health behavior, pluralistic ignorance, health communication, and motivated reasoning. I currently direct the Behavioral Research Program at the National Cancer Institute, a program that conducts and supports behavioral science research relevant to health outcomes.

Primary Interests:

  • Health Psychology
  • Interpersonal Processes
  • Judgment and Decision Making
  • Motivation, Goal Setting
  • Self and Identity
  • Social Cognition
  • Health Psychology
  • Interpersonal Processes
  • Judgment and Decision Making
  • Motivation, Goal Setting
  • Self and Identity
  • Social Cognition

Journal Articles:

  • Dillard, A. J., Midboe, A., & Klein, W. M. P. (2009). The dark side of optimism: Unrealistic optimism about problems with alcohol predicts subsequent negative event experiences. Personality and Social Psychology Bulletin, 35, 1540-1550.
  • Klein, W. M. (1997). Objective standards are not enough: Affective, self-evaluative, and behavioral responses to social comparison information. Journal of Personality and Social Psychology, 72, 763-774.
  • Klein, W. M., & Kunda, Z. (1994). Exaggerated self-assessments and the preference for controllable risks. Organizational Behavior and Human Decision Processes, 59, 410-427.
  • Klein, W. M. P. (2003). Self-prescriptive, perceived, and actual attention to comparative risk information. Psychology and Health, 18, 625-643.
  • Klein, W. M. P. (2002). Comparative risk estimates relative to the average peer predict behavioral intentions and concern about absolute risk. Risk, Decision, and Policy, 7, 193-202.
  • Klein, W. M. P., & Cerully, J. L. (2007). Health-related risk perception and decision-making: Lessons from the study of motives in social psychology. Social and Personality Psychology Compass, 1, 334-358.
  • Klein, W. M. P., & Harris, P. R. (2009). Self-affirmation enhances attentional bias toward threatening components of a persuasive message. Psychological Science, 20, 1463-1467.
  • Klein, W. M. P., Lipkus, I. M., Scholl, S. M., McQueen, A., *Cerully, J. L., & Harris, P. R. (2010). Self-affirmation moderates effects of unrealistic optimism and pessimism on reactions to tailored risk feedback. Psychology and Health, 25, 1195-1208.
  • Klein, W. M. P., Zajac, L. E., & Monin, M. M. (2009). Worry as a moderator of the relationship between risk perceptions and quitting intentions in adult and young adult smokers. Annals of Behavioral Medicine, 38, 256-261.
  • Radcliffe, N. M., & Klein, W. M. P. (2002). Dispositional, unrealistic, and comparative optimism: Differential relations with knowledge and processing of risk information and beliefs about personal risk. Personality and Social Psychology Bulletin, 28, 836-846.
  • Weinstein, N. D., & Klein, W. M. (1995). Resistance of personal risk perceptions to debiasing interventions. Health Psychology, 14, 132-140.

Bill Klein
National Cancer Institute
6130 Executive Boulevard
Rockville, MD 20852
United States

Phone: (301) 435-6816
Fax: (301) 594-6787
Email: kleinwm@mail.nih.gov

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