Which of the Following Is Not a Difference Between Reicher

Which of the following is not a difference between Reicher and Haslam's study and the original Stanford Prison experiment (Zimbardo) ?

A) In Zimbardo's study, participants could not change between their designated role of prisoner or guard, whereas this was possible in Reicher and Haslam's study
B) Zimbardo claimed that his study showed that participants have a natural tendency to take on power and become tyrannical whereas Reicher and Haslam explained tyranny more in terms of lack of group identification and the failure of groups
C) Reicher and Haslam went to some lengths to inform participants of likely ethical issues and distress they might encounter in the study before it commenced, whereas Zimbardo did not
D) In Zimbardo's study, the prison guards were briefed to create fear and give the prisoners a sense of powerlessness, whereas this did not happen in Zimbardo's study
E) Reicher and Haslam deliberately lied to participants about how participants were selected for the role of guard (they said it was based on personality traits) , whereas Zimbardo did not