This document discusses stereotypes and how Americans perceive different ethnic groups. It notes common stereotypes about Irish, Japanese, Asians, Jewish, Mexicans, British, and Middle Easterners. It then examines why people stereotype, defining stereotypes as commonly held beliefs about social groups. It discusses the fundamental attribution error and how stereotypes are reinforced. It outlines five dimensions of stereotypes: direction (positive or negative), intensity, specificity, consensus, and accuracy. The document concludes that everyone stereotypes as a way to make sense of the world, but we need to remain open to individual differences and refine stereotypes to be more accurate.