Which of the Following Independent Variables Was NOT Examined in Milgram's

Multiple Choice

Which of the following independent variables was NOT examined in Milgram's obedience experiments?

A) how the instructions to subjects were given by the experiment (in person or via a tape recording)
B) the distance between the subject and the individual they believed they were shocking
C) the gender of the experimenter
D) the location of the study (off versus on the Yale campus)
E) None of the above; all of the latter variables were examined in Milgram's obedience experiments