In Milgram's experiment on obedience to authority, 65% of participants gave the maximum shock when the experimenter was in the same room as the participant.

For variations of Milgram's experiment, which of the following statements is true? [1 mark]

A When the experimenter and two disobedient confederates were in the same room as the participant, obedience levels increased.

B When the experimenter and two obedient confederates were in the same room as the participant, obedience levels decreased.

C When the experimenter gave instructions over the phone, obedience levels increased.

D When the experimenter was in a different room to the participant, obedience levels decreased.

Answer: D