  According to Haslanger, in order for an objectifier to ‘mask’ his power and believe that the observed differences between men and women are consequences of their natures, he must resort to a norm of aperspectivity; he must believe that his observations are not conditioned by his own social position, and that he has no impact on the circumstances under observation. Haslanger discusses a norm, which is often used by objectifiers, the norm of Assumed Objectivity, which consists of the following four sub-norms: