Which of these best describes the kind of data collected in Piliavin et al.'s (1969) "Subway Samaritan" study of bystander behaviour?
both quantitative and qualitative
neither quantitative nor qualitative
quantitative only
qualitative only
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.