A health editorial recently argued: 'Drug treatments for mental disorders are ultimately ineffective because these conditions do not originate from biological imbalances.'
For a mental disorder other than schizophrenia (such as depression or obsessive-compulsive disorder), use your knowledge of the possible explanations of its causes to assess how effective a biological treatment would be compared to a psychological treatment.
110 exam-style questions on Edexcel A Level Psychology Content, 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. Each one has a worked solution and a mark scheme showing where the marks go.