_____ sampling is a sampling technique in which each member of the population has an equal likelihood of being selected to be part of the sample

In the context of the cognitive sources of prejudice, which of the following statements is true of similarities and differences among groups?

A. People tend to see objects within a group as being less uniform than they really are. B. People assume that other groups are more homogeneous than their own. C. The less one's familiarity with a social group, the less one stereotypes. D. The less one's familiarity with a social group, the more one sees its diversity.

Mr. and Mrs. Freeman used to smack their German Shepherd Willow with a newspaper for getting into the trash. Now, Willow never exhibits this behavior in front of them, but frequently does it when they are not home. What is the probable discriminative stimulus in this situation to Willow?

a. Mr. and Mrs. Freeman b. A trash can with food in it c. An empty trash can d. Getting smacked with a newspaper