In the study by Chaney et al. (2004), operant conditioning was used to improve children's adherence to asthma medication. Identify one specific design feature of the Funhaler and explain how it serves as a positive reinforcer to encourage correct inhalation behaviour.
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.