- Every participant delivered all the shocks up to 300 volts.
- 12.5% (five participants) stopped at 300 volts ("intense shock)
- and 65% continued to the highest level of 450 volts,
- i.e. they were fully obedient.
- Milgram also collected qualitative data including observations such as:
- participants showed signs of extreme tension;
- many of them were seen to 'sweat. tremble, stutter, bite their lips, groan etc
- 3 even had 'full-blown uncontrollable seizures