Social control

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…administer 20mg to the patient. The label on the container stated that a maximum dosage of 10mg was allowed per day but despite this 21 of the 22 nurses went as far as pouring out 20mg of the drug before being stopped by a confederate of the researchers. There was also a hospital rule not to take orders over the phone. The authority of a doctor over a nurse was enough to produce obedience rather than questioning.