proximity - obedience dropped from 65% to 40% as learner and teacher in same room
touch proximity - obedience dropped to 30% as teacher had to force learner's hand onto electric shock plate when he refused to answer question
reduced authority of experimenter - obedience dropped to 20% as experimenter wore lab coat so symbolised authority but confederate was in everyday clothing
location less credible - pts more obedient because not in a lab, more likely to be influenced by their environment
refusal to obey - obedience dropped to 20.5% as teacher received instructions by telephone and pts pretended to give shocks
