Milgram's baseline findings were that every participant delivered all shocks up to 300 volts, 12.5% stopped at 300 volts, and 65% continued to 450 volts (fully obedient). Milgram also collected qualitative data such as observations, and participants showed signs of extreme tension (sweating, groaning, digging, biting fingernails, some seizures, stuttering, trembling)