Abstract
AbstractVaccines can affect the mind as well as the body. Research on the psychological impact of vaccines has largely focused on risk‐related judgments and behaviors involving the recipient. Here, we extend this work to risk‐related judgments of others. In a prospective cohort study involving three samples and two timepoints (N = 588 adults), we tested competing hypotheses about the effects of receiving a COVID‐19 vaccine on perceived risks to the unvaccinated: (1) a self/other differentiation hypothesis (vaccination will lead to estimation of lower risk for the self but higher risk for others) versus (2) a self/other correspondence hypothesis (vaccination will lead to estimation of lower risk from contracting COVID‐19 for both self and others). Results revealed risk estimates as well as preferences for COVID‐related social policies more consistent with the former hypothesis. We discuss potential psychological mechanisms and implications of these findings.
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