Conclusions about blind obedience may not be justified. Haslam et al. (2014) showed Milgram's participants obeyed when experimenter delivered first three verbal prods. However, participants given fourth prod ('you have no other choice, you must go on') without exception disobeyed. Social Identity Theory- participants only obeyed when scientific aims were identified ('experiment requires you to continue'); when ordered to blindly obey authority figure, they refuse