Lu believes that he is being tracked by the FBI because he is a telepathy experiment "set loose," and he hears messages and instructions from others from the same experiment. What disorder would he most likely have?

Cognitive dissonance is

A) a state of tension that occurs when a person simultaneously holds two cognitions that are psychologically inconsistent. B) the tendency of members of a group to avoid taking responsibility for their actions because they assume that others will do so. C) the tendency for members of a close-knit group to think alike for the sake of harmony and to suppress disagreement. D) a belief that a statement is true just because the person has heard it repeated over and over again.

While doing volunteer work at a mental hospital, Mary is put on a ward for adults with severe mental disorders. One patient remains in the same position for hours at a time and never talks. The doctors tell Mary this patient suffers from ______

a) catatonic frenzy b) catatonic stupor c) aphasia d) echopraxia