The perception that one's in-group is the center of everything whereby all other groups are scaled and rated with reference to the in-group is called .

Ethnocentrism

Explanation: Ethnocentrism is the view held by members of a culture that the values and ways of one's own group are superior. All other cultures are inferior and apply

one's own cultural values in judging the behavior and beliefs of people raised in other cultures.

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president reagan was a good presidant and should be presidant if he was still alive

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