Julian conducted an investigation into the effectiveness of flooding therapy for individuals with cynophobia (fear of dogs). To assess the success of the treatment, Julian observed the participants interacting with a dog after their therapy session and rated their level of fear on a 1-to-5 scale based on their behavioral avoidance and facial expressions.
Explain one improvement that Julian could make to his study to increase its 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.
