comparative-cognition

Do dogs prefer helpers in an infant-based social evaluation task?

Social evaluative abilities emerge in human infancy, highlighting their importance in shaping our species' early understanding of the social world. Remarkably, infants show social evaluation in relatively abstract contexts: for instance, preferring a …

Capuchin monkeys, Cebus apella, show no evidence for inequity aversion in a costly choice task

Human adults and children respond negatively to inequity, even sacrificing personal gain to avoid both disadvantageous (more for you, less for me) and advantageous (more for me, less for you) resource allocations. Recent work has argued that some …