Artie believes that all Asian people are more intelligent than other people. Artie is engaging in?

Artie is Stereotyping

Supremacism is an ideology of domination and superiority it states that a particular class of people is superior to others, and that it should dominate, control, and subjugate others, or is entitled to do it.[1] The supposed superior class of people can be an age, race, species, ethnicity, religion, gender, sexuality, social class, ideology, nation, or culture, or any other part of a population.