This document discusses representation of ethnicity in media through various theories and concepts. It begins by explaining the effects model and hypodermic needle theory, which view audiences as passive receivers of media messages. It then provides examples of dominant, subordinate, and hegemonic groups. The rest of the document discusses common stereotypes of different ethnic groups in media and why challenging stereotypes is important. It also notes more positive representations are possible and outlines Alvarado's four themes of dangerous, humorous, pitied, and exotic representations.