Sex refers to a person"s biological identity as male or female. Gender is used to refers to the person"s socially constructed identity. Gender tying: the process by which children acquire the values, motives, and behaviours considered appropriate for their gender in their particular culture. Gender-based beliefs: an idea that differentiates males and females. Gender identity: the perception of oneself as either male or female. Gender-role preferences: a desire to possess certain gender-typed characteristics. Gender stability: the fact that males remain male and females remain female. Gender constancy: the awareness that superficial alterations in appearance or activity do not alter gender. Gender stereotype: belief that members of a culture hold about acceptable and appropriate attitudes, interests, activities, psychological traits, social relationships, occupations, and physical appearance for males and females. Gender role: composite of the behaviours actually exhibited by a typical male or female in a given culture; the reflection of gender stereotype in everyday life.