Prehistoric dangers and contemporary prejudices

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Abstract
We review the logical principles that guide the application of evolutionary ideas to psychological problems, and show how these principles can be used to derive novel, testable hypotheses about contemporary prejudice processes. We summarise two recent lines of research employing this approach. One line of research examines prejudices resulting from perceived vulnerability to physical injury. The other examines prejudices resulting from perceived vulnerability to disease. Results from both lines of research support novel psychological hypotheses identifying variables--pertaining to both personality and to local context--that trigger specific prejudices against specific categories of people. We conclude by discussing more broadly some of the useful conceptual and practical implications of this evolutionary approach to prejudice.

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