1. If someone has a thick accent (either regional or foreign), you are more likely to think they're incompetent or dumb.
  2. If you see a woman or minority in a position of power usually reserved for white men, you assume that they got it through affirmative action... not their own merits.
  3. You feel competitive with people of other ethnic or racial backgrounds.
  4. If you find yourself in a neighborhood that mostly has people of a different race, you feel nervous.
  5. You look down on people who date outside their race... or date people of the same gender.
  6. You assume that racial / cultural stereotype are almost always true. That's how they become stereotypes.
  7. You believe that some ethnicities and cultures are inferior to others.