Cultural group selection helps explain human cooperation but social selection offers a complementary more powerful explanation. Just as sexual selection shapes extreme traits that increase matings social selection shapes extreme traits that make individuals preferred social partners. Self-interested partner choices create strong and possibly runaway selection for prosocial traits without requiring group selection kin selection or reciprocity.
ASJC Scopus subject areas
- Neuropsychology and Physiological Psychology
- Behavioral Neuroscience