Dr. Vance is investigating the role of neurochemistry in obsessive-compulsive disorder (OCD) by measuring serotonin levels in patients before and after they take selective serotonin reuptake inhibitors (SSRIs).
Briefly explain one strength of Dr. Vance using the biological approach to investigate human behaviour.
248 exam-style questions on AQA A Level Psychology Approaches in Psychology, covering Learning approaches, Cognitive approach, Biological approach, Psychodynamic approach (A-level only), Humanistic Psychology (A-level only), and Comparison of approaches (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.