Why do people obey authority?

Dispositional/individual or situational explanation

Milgram carried out a lab experiment in Yale University
40 men chosen and paid to be 'teacher', a biology teacher as an 'experimenter' and an accountant as a 'learner'.
Shock generator and prods were used
Shocking findings:
26/40 participants gave the maximum 450 volts.
5 dropped out at 300 volts, 4 dropped out at 315 volts. 5 refused before the end.
(a total of 14 disobeyed completely)
Participants shown signs of extreme tension
Ethics: Consent, Debrief, Deception, Harm, Right to withdraw

Obedience is not innate, but learned in the situation.