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.
Practise Edexcel A Level Psychology Methods with exam-style questions for A Level Psychology. 638 questions, matched to the Edexcel A Level Psychology (9PS0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.