Boston researchers carried out a study into types of smiles in adulthood . They concluded there are different types of smiles , identifiable by their characteristics . ' Hostile sexist men ' were less approachable and less friendly . Those who observed ' benevolent sexism ' were nicer and smiled more .
Boston researchers carried out a study into types of sexism in men . They say there are two types of sexists , identifiable by their smile . 'Hostile sexist men ' were less approachable and less friendly . Those who displayed 'benevolent sexism ' were nicer and smiled more .