Is the Cure a Wall? Behavioral Immune System Responses to a Disease Metaphor for Immigration
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Humans have evolved a capability to identify and subsequently avoid communicable pathogens. The current research tested whether activation of this system can be co-opted by disease metaphors, which frame abstract social issues as concrete disease risks. We predicted that language framing immigration as a disease would elicit heightened anti-immigration attitudes and greater support for restrictive social policies (study 1), tested whether this effect was moderated by pathogen concern (study 2), and compared aversion to disease metaphors with concerns of literal disease (study 3). We identified conditions under which the disease framing generally produced more anti-immigrant attitudes, particularly among individuals with stronger chronic disease concerns. Furthermore, we also identified boundary conditions for such effects, such that disease metaphors demonstrated limited efficacy in the presence of a literal disease threat. We explain these results at the intersection of evolutionary and conceptual metaphor theories.
KeywordsEvolutionary psychology Language Immigration Metaphor Disease
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Conflict of Interest
The authors declare that they have no conflicts of interest.
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