Describe how the Funhaler device in Chaney et al.'s (2004) study used positive reinforcement to encourage children to adhere to their asthma medication regime.
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.