In the Stanford Prison Study conducted by Philip Zimbardo and his colleagues (1973), guards became increasingly sadistic and prisoners became increasingly submissive and withdrawn, all in under a week. Results of this (aborted) study suggest that
A) social roles can be very powerful.
B) humans are inherently aggressive and will "act out" in the appropriate situation.
C) interdependence can be reduced in powerful situations.
D) people who have authoritarian personalities do not make good prisoners.
E) norms in the real world are often adopted in artificial settings.