Toby is a clinical psychologist who is reviewing the diagnosis of his new patient, Maya. Maya was previously diagnosed with generalized anxiety disorder by a GP using the ICD-11, but a private psychiatrist recently diagnosed her with obsessive-compulsive disorder using the DSM-5. Toby is concerned about the reliability of these diagnostic tools.
Explain whether Toby's concerns about the reliability of Maya's diagnoses are justified.
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.