Gender refers to the socially constructed roles, behaviors , activities, and attributes that a given society considers appropriate for men and women. Male and female are gender categries An example of gender characteristics is "In most of the world, women do more housework than men" . In Psychology, Gender is the characteristics, whether biological or socially influenced, by which people define male and female. Because "sex" is a biological category , social psychologists sometimes refer to biologically based gender differences as "sex differences."
Gender constancy refers to the concept that one's sex remains the same despite superficial changes in appearance or behavior ; understanding that maleness and femaleness do not change over situations or personal wishes. It is the realization in the young child that one’s gender does not normally change over the life span: when children learn the biological basis of gender and that one's gender does not change. The concept that gender remains the same despite changes in physical appearance, time, and behavior; includes gender identity , gender stability , and gender consistency .