A student argues that the guards in the Stanford Prison study behaved aggressively because they had aggressive personalities, not because of the role they were given.
Explain one piece of evidence from the study that goes against the student's argument and one piece of evidence that supports it.
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.