Dr. Sollie has members of her sociology class go into an elevator and stand facing the rest of the occupants on the elevator, or walk into the cafeteria and begin singing and dancing. Other students then note people's reactions to these behaviors. Dr. Sollie is having her students break

The belief that one's own culture or ethnic group is superior to all others and the tendency to use one's own culture as a standard by which to judge other cultures is called

a. altruism. b. conservatism. c. liberalism. d. ethnocentrism.

An object is reflecting electromagnetic waves with a length of 720 nanometers. What is the object?

A. A red apple B. A blue shirt C. A yellow rose D. A green hat