State one way in which the prisoners' individual identity was reduced in the study by Haney, Banks and Zimbardo (1973).
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Markscheme
5.2 Studies Questions
36 exam-style questions on Edexcel GCSE Psychology 5.2 Studies, covering 5.2.1 Piliavin et al (1969) and 5.2.2 Haney, Banks, and Zimbardo (1973). Each one has a worked solution and a mark scheme showing where the marks go.