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.
82 exam-style questions on Edexcel A Level Psychology Research methods and skills, covering Research methods and skills. Each one has a worked solution and a mark scheme showing where the marks go.