Responses on a measure of perceived group leadership revealed a significant statistical interaction between group and phase. Further analysis indicated there was a significant difference in the perceived leadership of the Guards and the Prisoners on Day 2, but no such difference on Day 6 (indeed, the pattern here had slightly reversed).
- Haslam, S. A. & Reicher, S. D. (2007). Identity entrepreneurship and the consequences of identity failure: The dynamics of leadership in the BBC Prison Study. Social Psychology Quarterly, 70, 125-147.