Volunteers were recruited for a controlled experiment. Participants were 40 males(20 to 50). They were paid $450. At the beginning of the experiment they were introduced to another experiment. Drew straws to determine there roles. These were fixed and the confederate was always the learner. There were 2 rooms in the yale interaction labatory. They were put in a room and attached to a electrode. When they answer incorrectly, they were getting shocked. Despite this, they were told to carry on. Predictions were 3% would go up to 450 volts.