Sex refers to biological differences between males and females. For example, chromosomes (female XX, male XY), reproductive organs (ovaries, testes), hormones (oestrogen, testosterone). Gender refers to the cultural differences expected (by society / culture) of men and women according to their sex. Sex differences in psychology are differences in the mental functions and behaviors of the sexes, and are due to a complex interplay of biological, developmental, and cultural factors. ... Differences in socialization of males and females may decrease or increase the size of sex differences.
Social examples:
Parental influences. Expectations for children's future adult lives, like financial success or future care giving, may lead parents to encourage certain behaviors in children. ...
Patterns of play. ...
Friendships. ...
School. ...
Stereotypes in the media. ...
Environmental factors and parental influences. ...
Gender identity. ...
Social impacts.