Outline how Bandura et al. (1961) ensured that the observations of the children's behaviour in the final experimental room were both systematic and reliable.
152 exam-style questions on OCR A Level Psychology External influences on children's behaviour, covering Bandura et al. (1961): Transmission of aggression and Chaney et al. (2004): Funhaller study. Each one has a worked solution and a mark scheme showing where the marks go.