Amara conducted a study to investigate the effectiveness of virtual reality (VR) exposure therapy for aerophobia (fear of flying). To measure success, she asked participants to complete a self-report questionnaire rating their anxiety on a scale of 1 to 10 before and after the therapy.
Explain one improvement that Amara could make to her study in terms of validity.
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.
