In a variation of Milgram's obedience experiment where the experimenter gave orders over the telephone, 9 out of 40 participants complied fully and proceeded to the maximum voltage of 450V. What percentage of the participants disobeyed the experimenter by refusing to go to the maximum voltage?
22.5%22.5\%22.5%
77.5%77.5\%77.5%
31.0%31.0\%31.0%
65.0%65.0\%65.0%
128 exam-style questions on OCR A Level Psychology Responses to people in authority, covering Milgram (1963): Obedience and Bocchiaro et al. (2012): Disobedience and whistle-blowing. Each one has a worked solution and a mark scheme showing where the marks go.