cultural differences (nurture)
Margaret Mead 1935 study of cultural groups on the island of Samoa
-Arapesh were gentle & responsive(feminine stereotype in industrialised societies)
-Mundugumor were aggressive & hostile ( masculine stereotype in industrialised societies)
-Tchambuli women were dominant and they organised village life, men were passive and considered to be 'decorative' (reversed roles)
may not be a biological relationship between sex and gender