Outline how the findings of Piliavin et al.’s 'subway Samaritan' study contribute to our understanding of social diversity, specifically regarding how a helper's gender and a victim's race influence spontaneous intervention.
105 exam-style questions on OCR A Level Psychology Responses to people in need, covering Piliavin et al. (1969): Subway Samaritan and Levine et al. (2001): Cross-cultural altruism. Each one has a worked solution and a mark scheme showing where the marks go.