In their study investigating brain plasticity, Maguire et al. (2000) analyzed the relationship between the amount of time spent working as a licensed London taxi driver and the volume of grey matter in the posterior hippocampus.
Describe what a positive correlation would indicate in this research.
49 exam-style questions on OCR A Level Psychology Brain plasticity, covering Blakemore and Cooper (1970): Impact of early visual experience and Maguire et al. (2000): Taxi drivers. Each one has a worked solution and a mark scheme showing where the marks go.