name gaulin sociopathy may represent evolutionarily stable strategy small number people cheat social contracts benefit society consisting mostly non sociopaths ref name gaulin steven j c pp mild depression may adaptive response withdraw evaluate situations led disadvantageous outcomes analytical rumination hypothesis ref name ncbinlmnihgov see evolutionary approaches depression speculations yet developed fully testable hypotheses great deal research required confirm validity antisocial criminal behavior evolutionary psychology applied explain criminal otherwise immoral behavior
Social science Psychology Evolutionary psychology