> In sociology and social psychology, an in-group is a social group to which a person psychologically identifies as being a member. By contrast, an out-group i

> In sociology and social psychology, an in-group is a social group to which a person psychologically identifies as being a member. By contrast, an out-group is a social group with which an individual does not identify https://en.wikipedia.org/wiki/In-group_and_out-group https://en.wikipedia.org/wiki/In-group_and_out-group