Liam wants to research whether participants recognize faces more quickly when they are presented in colour compared to when they are presented in black-and-white. He has asked you to help him design the experiment.
Explain the terms 'independent variable' and 'dependent variable', using Liam's research as an example.
638 exam-style questions on Edexcel A Level Psychology Methods. Each one has a worked solution and a mark scheme showing where the marks go.