Obedience to Authority

After World War II, the world looked at the crimes of Nazism and asked: How had so many ordinary people taken part in so much brutality? The comforting explanation was that Germans had a character flaw. Stanley Milgram, a young psychologist, doubted that easy answer and wanted to test in a laboratory how far an ordinary person would go when given an order.

The question is uncomfortable because it challenges the image we have of ourselves. Almost everyone thinks that, in someone else's shoes, they would have said no. Milgram wanted to know whether that certainty holds up when the pressure is real, rather than just imagined during a conversation at a bar.

The 1974 book brings together years of experiments and the author's interpretation. It is not about Nazism itself, but about a human mechanism that appears in offices, military bases, churches, hospitals, and families.

In 1961, at Yale University, people answered a newspaper ad offering payment to participate in a study of memory and learning. Upon arrival, each volunteer was assigned the role of teacher. Another participant, actually a hired actor, took the role of learner.

The learner was strapped into a chair in another room, and the teacher went to a machine with a row of switches, ranging from mild to very strong shocks, with labels going up to 450 volts and the word danger. Every time the learner made a mistake, the teacher was supposed to administer the next shock, increasing it in fifteen-volt increments.

The shocks were fake, but the teacher did not know that. They heard groans, complaints, pleas to stop, and, at high voltages, silence. The step-by-step structure is central: no one is asked to commit the extreme act all at once, but simply to go one step beyond the last.

An experimenter in a gray lab coat stood beside the teacher, calm and unemotional. When the volunteer hesitated, he responded with standardized, firm prompts of increasing intensity: continue, the experiment requires you to continue, it is essential that you continue, and you have no choice. There were no threats or shouting.

Notice how understated the authority was. There was no weapon and no punishment. There was only a scientific setting, a professional-looking man, and the expectation that a good participant follows through on an agreement. It is the same logic that makes an employee find it hard to refuse when a supervisor says, 'Please do it this way.'

If the volunteer insisted on stopping after four prompts, the experiment ended. In other words, the volunteer could always leave. The question was how many would.