An evolutionary model of racial attitude formation : socially shared and idiosyncratic racial attitudes
By: CRAEMER, Thomas
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ArticlePublisher: Thousand Oaks : SAGE, November 2007The Annals of the American Academy of Political and Social Science 614, p. 74-101Abstract: A growing body of research in political science has uncovered evidence of a "split personality" among Americans when it comes to racial attitudespeople express different attitudes in public than they personally hold. At present no theoretical model can account for the emergence of this discrepancy. This article proposes a simple neural model of racial attitude formation that makes an important distinction between socially shared and idiosyncratic racial attitudes. A computational model based on Kimura's (1983) Neutral Theory of Evolution predicts that socially shared racist attitudes may be able to coexist with, and eventually be replaced by, more favorable idiosyncratic racial attitudes. Results of a laboratory-based study (N = 555) involving reaction-time-based implicit measures of socially shared and idiosyncratic attitudes are consistent with the predictions derived from the computational model. The implications of the theoretical model and the empirical findings are discussed.
A growing body of research in political science has uncovered evidence of a "split personality" among Americans when it comes to racial attitudespeople express different attitudes in public than they personally hold. At present no theoretical model can account for the emergence of this discrepancy. This article proposes a simple neural model of racial attitude formation that makes an important distinction between socially shared and idiosyncratic racial attitudes. A computational model based on Kimura's (1983) Neutral Theory of Evolution predicts that socially shared racist attitudes may be able to coexist with, and eventually be replaced by, more favorable idiosyncratic racial attitudes. Results of a laboratory-based study (N = 555) involving reaction-time-based implicit measures of socially shared and idiosyncratic attitudes are consistent with the predictions derived from the computational model. The implications of the theoretical model and the empirical findings are discussed.
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