Dr. Vance conducted an experiment to investigate the effect of binaural beats on the reaction times of elite sprinters. She measured the starting block reaction times of 15 sprinters while they listened to neutral white noise, and then measured the starting block reaction times of the same 15 sprinters the following day while they listened to binaural beats.
Identify the experimental design Dr. Vance used in this investigation.
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.