Cultural Cognition Project Working Paper No. 89 Preliminary draft—subject to revision Address correspondence to
[email protected] The Tragedy of the Risk-Perception Commons: Culture Conflict, Rationality Conflict, and Climate Change Dan M. Kahan Maggie Wittlin Yale University Cultural Cognition Project Lab Ellen Peters Paul Slovic Lisa Larrimore Ouellette Ohio State University Decision Research Cultural Cognition Project Lab Donald Braman Gregory Mandel George Washington University Temple University ` Authors’ Note. Research for this paper was funded by the National Science Foundation, Grant SES 0922714. Correspondence concerning this article should be addressed to Dan M. Kahan, Yale Law School, PO Box 208215, New Haven, CT 06520. Email:
[email protected]. Electronic copy available at: http://ssrn.com/abstract=1871503 Abstract The conventional explanation for controversy over climate change emphasizes impediments to public understanding: limited popular knowledge of science, the inability of ordinary citizens to assess technical information, and the resulting widespread use of unreliable cognitive heuristics to assess risk. A large survey of U.S. adults (N = 1540) found little support for this account. On the whole, the most scien- tifically literate and numerate subjects were slightly less likely, not more, to see climate change as a se- rious threat than the least scientifically literate and numerate ones. More importantly, greater scientific literacy and numeracy were associated with greater cultural polarization: respondents predisposed