Why do members of the public disagree-sharply and persistently-about facts on which expert scientists largely agree? We designed a study to test a distinctive explanation: the cultural cognition of scientific consensus. The "cultural cognition of risk" refers to the tendency of individuals to form risk perceptions that are congenial to their values. The study presents both correlational and experimental evidence confirming that cultural cognition shapes individuals' beliefs about the existence of scientific consensus, and the process by which they form such beliefs, relating to climate change, the disposal of nuclear wastes, and the effect of permitting concealed possession of handguns. The implications of this dynamic for science communication and public policy-making are discussed.
Why does public conflict over societal risks persist in the face of compelling and widely accessible scientific evidence? We conducted an experiment to probe two alternative answers: the 'science comprehension thesis' (SCT), which identifies defects in the public's knowledge and reasoning capacities as the source of such controversies; and the 'identityprotective cognition thesis' (ICT), which treats cultural conflict as disabling the faculties that members of the public use to make sense of decisionrelevant science. In our experiment, we presented subjects with a difficult problem that turned on their ability to draw valid causal inferences from empirical data. As expected, subjects highest in numeracy -a measure of the ability and disposition to make use of quantitative information -did substantially better than less numerate ones when the data were presented as results from a study of a new skin rash treatment. Also as expected, subjects' responses became politically polarized -and even less accurate -when the same data were presented as results from the study of a gun control ban. But contrary to the prediction of SCT, such polarization did not abate among subjects highest in numeracy; instead, it increased. This outcome supported ICT, which predicted that more numerate subjects would use their quantitative-reasoning capacity selectively to conform their interpretation of the data to the result most consistent with their political outlooks. We discuss the theoretical and practical significance of these findings.
Why do white men fear various risks less than women and minorities? Known as the “white‐male effect,” this pattern is well documented but poorly understood. This article proposes a new explanation: identity‐protective cognition. Putting work on the cultural theory of risk together with work on motivated cognition in social psychology suggests that individuals selectively credit and dismiss asserted dangers in a manner supportive of their cultural identities. This dynamic, it is hypothesized, drives the white‐male effect, which reflects the risk skepticism that hierarchical and individualistic white males display when activities integral to their cultural identities are challenged as harmful. The article presents the results of an 1,800‐person study that confirmed that cultural worldviews interact with the impact of gender and race on risk perception in patterns that suggest cultural‐identity‐protective cognition. It also discusses the implications of these findings for risk regulation and communication.
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