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Science. 2010 May 7;328(5979):709. doi: 10.1126/science.1186799.

Washing away postdecisional dissonance.

Author information

1
Department of Psychology, University of Michigan, Ann Arbor, MI 48109, USA. spikelee@umich.edu

Abstract

After choosing between two alternatives, people perceive the chosen alternative as more attractive and the rejected alternative as less attractive. This postdecisional dissonance effect was eliminated by cleaning one's hands. Going beyond prior purification effects in the moral domain, physical cleansing seems to more generally remove past concerns, resulting in a metaphorical "clean slate" effect.

PMID:
20448177
DOI:
10.1126/science.1186799
[Indexed for MEDLINE]
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