Showed that 100% of participants acting as a 'teacher' would give what they thought was a real painful 300 volt electric shock to a 'participant' in the next room, on the orders of a scientist acting as an authority figure
65% of participants actually gave a potentially lethal maximum voltage even after the 'victim' stopped shouting
We learn through socialization who is higher on the social hierarchy, e.g. police and scientists are seen as more legitimate than postal workers and cleaners