Positive symptoms of schizophrenia include all of the following EXCEP

Skinner's contribution to behaviorism lies in his insistence that

a. one's actions are controlled by rewards and punishments. b. behavior is only partially conscious. c. the whole is more than the sum of its parts. d. self-actualization is the primary determinant of behavior.

Working in groups can increase overall effectiveness or productivity when

A) all members have similar tasks. B) the task is routine. C) it is possible to identify the contributions of each member of the group. D) social loafing occurs.