Research has shown that response rates under ________ schedules show a "scalloped" pattern

The process of preventing an idea or impulse from becoming conscious is known as

a. catharsis. b. repression. c. cathexis. d. displacement.

Compared to people who are sad or afraid, people who are happy or angry tend to ____

a. take fewer risks b. be more confident and optimistic c. be less likely to take a stand for what they believe in d. be better able to concentrate on information that is presented to them