Kristen spends as little time as possible on a group paper that is due at the end of the semester because she knows that her teacher will not be able to tell how much she has contributed. Kristen's behavior is an example of:

Traditional classroom is to competition as the jigsaw classroom is to

a. remediation. b. hostility. c. cooperation. d. increased prejudice.

In explaining an individual's aggressiveness, Skinner would look for

a. feelings of repressed hostility. b. an inadequate sense of self-worth. c. early learning experiences and reinforcement history. d. instinctual explanations.