In a replication of Milgram's obedience experiment, 18 of the 50 participants disobeyed by refusing to proceed to the maximum voltage of 450 V. What is this expressed as a percentage?
18%18\%18%
36%36\%36%
54%54\%54%
64%64\%64%
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.