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 Diagnosis of mental disorders (4 Ds), Classification systems (DSM and ICD), Schizophrenia and one other disorder, Treatments for the two disorders, 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.
