▁general ists ▁and ▁display ▁a ▁wide ▁range ▁of ▁variable ▁behav iors ▁to ▁maxim ize ▁fit ness . ▁Where ▁co operation ▁and ▁food - sh aring ▁among ▁ext ant ▁h unter - g ather ers ▁may ▁be ▁seen ▁as ▁the ▁result ▁of ▁kin - selection ▁psych ological ▁mechan isms ▁by ▁an ▁evolution ary ▁psych ologist , ▁a ▁human ▁behavior al ▁e colog ist ▁may ▁attribute ▁this ▁behavior ▁to ▁optimal ▁risk - redu ction ▁strateg ies ▁and ▁reci pro cal ▁al tr u ism . ▁For ▁Human ▁Be havior al ▁E col ogy , ▁cultural ▁behav iors ▁should ▁tend ▁towards ▁optim ality ▁( i . e . ▁higher ▁fit ness ) ▁in ▁their ▁current ▁environment . ▁For ▁evolution ary ▁psych ology , ▁cultural ▁behav iors ▁are ▁the ▁result ▁of ▁psych ological ▁mechan isms ▁which ▁were ▁selected ▁for ▁in ▁ancest ral ▁environments . ▁ ▁Ev oked ▁and ▁transm itted ▁culture ▁ ▁The ▁difference ▁between ▁cultural ▁behav iors ▁acquired ▁through ▁select ive ▁transmission ▁mechan isms ▁and ▁behav iors ▁resulting ▁from ▁psych ological ▁adapt ations ▁has ▁resulted ▁in ▁some ▁research ers ▁differenti ating ▁between ▁ev oked ▁and ▁transm itted ▁culture ▁( To oby ▁and ▁Cos m ides , ▁ 1 9 9 2 ). ▁Ev oked ▁cultural ▁behav iors ▁are ▁those ▁that ▁are ▁the ▁outputs ▁of ▁shared ▁psych ological ▁mechan isms ▁in ▁response ▁to ▁local ▁environmental ▁c ues ▁F ess ler ▁et ▁al ., ▁ 2 0 1 5 ). ▁Trans m itted ▁cultural ▁behav iors ▁are ▁those ▁behav iors ▁which ▁are ▁learned ▁from ▁one ’ s ▁social