A student claims: 'The classic study by Piliavin et al. (1969) tells us everything we need to know about how and why people help strangers in public places.'
With reference to Levine et al. (2001), explain the extent to which this student's claim is limited.
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.