Jason K. Clark
Department of Psychology
University of Iowa
Iowa City , Iowa 52242
U.S.A.
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My primary research focus is in the area of attitudes and social cognition. I am particularly interested in factors that influence the nature of social information processing. For instance, when perceivers encounter social stimuli, what aspects of their traits, attitudes, beliefs, or the social setting itself, influence the amount or direction of target-relevant processing? In these situations, assessment of the nature of processing is important because the consequences of the resulting perceptions might differ in critical and predictable ways. For example, research suggests that evaluations resulting from relatively effortful processing are more resistant to future change attempts, persist longer over time, and more effectively direct future behavior compared to evaluations resulting from less effortful thinking (see Petty & Krosnick, 1995). My research has explored these interests in a variety of domains related to attitudes and social cognition including impression formation, stereotyping, and persuasion.
 Journal Articles:
- Clark, J. K., & Wegener, D. T. (2009). Source entitativity and the elaboration of persuasive messages: The roles of perceived efficacy and message discrepancy. Journal of Personality and Social Psychology, 97, 42-57.
- Clark, J. K., & Wegener, D. T. (2008). Unpacking outcome dependency: Differentiating effects of dependency and outcome desirability on the processing of goal-relevant information. Journal of Experimental Social Psychology, 44, 586-599.
- Clark, J. K., Wegener, D. T., Briñol, P., & Petty, R. E. (2009). Discovering that the shoe fits: The self-validating role of stereotypes. Psychological Science, 20, 846-852.
- Clark, J. K., Wegener, D. T., & Fabrigar, L. R. (2008a). Attitude accessibility and message processing: The moderating role of message position. Journal of Experimental Social Psychology, 44, 354-361.
- Clark, J. K., Wegener, D. T., & Fabrigar, L. R. (2008b). Attitudinal ambivalence and message-based persuasion: Motivated processing of proattitudinal information and avoidance of counterattitudinal information. Personality and Social Psychology Bulletin, 34, 565-577.
- Lassiter, G. D., Clark, J. K., Munhall, P. J., & Lindberg, M. J. (2008). And I thought I was bad! The idiot effect in social judgment. Social Cognition, 26, 347-356.
- Wegener, D. T., Clark, J. K., & Petty, R. E. (2006). Not all stereotyping is created equal: Differential consequences of thoughtful versus non-thoughtful stereotyping. Journal of Personality and Social Psychology, 90, 42-59.
Other Publications:
- Wegener, D. T., & Clark, J. K. (in press). Beliefs. To appear in D. Sander & K. Scherer (Eds.), Oxford companion to affective sciences. London: Oxford University Press.
- Wegener, D. T., & Clark, J. K. (2007). Research methods. R. Baumeister & K. D. Vohs (Eds.), Encyclopedia of social psychology. Thousand Oaks, CA: Sage.
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