The Adaptive Utility of Deontology: Deontological Moral Decision-Making Fosters Perceptions of Trust and Likeability

Although various motives underlie moral decision-making, recent research suggests that deontological moral decision-making may have evolved, in part, to communicate trustworthiness to conspecifics, thereby facilitating cooperative relations. Specifically, social actors whose decisions are guided by deontological (relative to utilitarian) moral reasoning are judged as more trustworthy, are preferred more as social partners, and are trusted more...