Describes the tendency to favor one's own in-group over another's outgroup.

Ethnocentrism describes the tendency to favor one's own in-group over another's outgroup, it is a concept developed by anthropology to mention the tendency that leads a person or social group to interpret reality from their own cultural parameters; attitude of the group, race or society that presupposes their preference over others and makes their own culture the exclusive criterion to interpret and value the culture and behaviors of these other groups, races or societies.