This study investigates the structure of social hierarchies. We hypothesized that if social
dominance relations serve to regulate conflicts over resources, then hierarchies should …

All group-living animals must coordinate securing and distributing territory, resources, rights,
and care. Human society presents a ubiquitous and unsurpassed level of cooperation …

For observers the occurrence of a joint action (JA) is inherently ambiguous with respect to
the goals of the individuals involved. People may work together, for instance, because they …

Actions that are blatantly inefficient to achieve non-social goals are often used to convey
information about agents' social affiliation, as in the case of rituals. We argue that when …

Research has shown that infants represent legitimate leadership and predict continued
obedience to authority, but which cues they use to do so remains unknown. Across eight pre …

Imitation plays an important role in human social life. In this chapter, we focus on a subset of
imitation we refer to as socially-oriented imitation, or for short “social imitation.” Social …

Human infants seem to make positive social inferences about individuals who imitate others.
In three preregistered experiments we test if these inferences include an expectation that …