Marcus conducted a laboratory experiment to investigate how a defendant's accent (regional vs. standard) influences mock-jury guilt ratings. He obtained an opportunity sample of 25 fellow university students who listened to a short, 30-second audio recording of a mock defendant.
Explain one improvement Marcus could make to his investigation.
Practise Edexcel A Level Psychology Content with exam-style questions for A Level Psychology. 1,059 questions covering Issues around drug taking, Biological explanations of drug addiction, Learning explanations of drug addiction, Treatments for drug addiction, Anti-drug campaign and strategies, Individual differences, and Developmental psychology, 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.
