What is a group? Conceptual clarity can help integrate evolutionary and social scientific research on cooperation
Published online by Cambridge University Press: 27 June 2014
Smaldino argues that evolutionary theories of social behavior do not adequately explain the emergence of group-level traits, including differentiation of roles and organized interactions among individuals. We find Smaldino's account to be commendable but incomplete. Our commentary focuses on a simple question that has not been adequately addressed: What is a group?
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