Dr. Harrison conducted a laboratory experiment to investigate the effect of environmental noise on reading comprehension in working memory. He used a repeated measures design where 12 volunteer colleagues from his own research laboratory were asked to read a dense scientific passage with loud construction noise playing in the background, and then a similar passage in absolute silence, before completing a comprehension test.
Explain one improvement that could be made to Dr. Harrison's 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.
