In the proximity variation, Teacher and Learner were in the same room. The obedience rate dropped from the original 65% to 40%
In the touch proximity variation, the Teacher had to force the Learner's hand onto an 'electroshock plate' if he refused to place it there himself after giving a wrong answer. Obedience dropped further to 30%.
In the remote instruction variation, the Experimenter left the room and gave instructions to the Teacher by telephone. Obedience reduced to 20.5%. The participants also frequently pretended to give shocks.