Using real shocks
Sheridan and King (1972) found similarly high levels of obedience using real shocks. A small puppy was used as the 'victim' to whom real electric shocks of increasing severity were administered. Even though the puppy was in the same room and could be seen yelping as the shocks were given, 75% of particpants delivered the maximum shocks. Rather surprisingly, the women obeyed more than men did.
Burger (2009) conducted a particular replication of Milgram's study using a similar set-up to some of the later variations, but he did not allow the volunteers to carry on beyond 150 volts once…