Maya has been referred to a psychiatric clinic presenting with severe avolition (lack of motivation) and persecutory delusions. Both of these symptoms are diagnostic criteria for schizophrenia, but they are also characteristic of major depressive disorder with psychotic features.
Explain why this clinical scenario poses a threat to the validity of Maya's diagnosis.
28 exam-style questions on AQA A Level Psychology Symptoms and diagnosis of schizophrenia. Each one has a worked solution and a mark scheme showing where the marks go.