In Blakemore and Cooper's (1970) investigation into the impact of early visual experience, kittens were kept in a completely dark room from birth, except for the hours spent inside the striped cylinders.
Explain one reason why keeping the kittens in darkness when not in the cylinders was an important methodological control in this study.
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.