Anika is planning a laboratory experiment to investigate whether exposure to high-intensity blue-wavelength light (simulating screen use) compared to warm amber-wavelength light for 30 minutes affects participants' performance on a rapid visual reaction time task.
Describe a procedure Anika could use to conduct this laboratory experiment.
Practise Edexcel A Level Psychology Research methods and skills with exam-style questions for A Level Psychology. 657 questions covering Research methods and skills, 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.
