Marcus is unable to attend his university lectures because of his severe low mood. He has also stopped playing for his local football team on weekends and avoids answering phone calls from his family. He has recently been assessed by a clinical psychologist and diagnosed with a depressive disorder.
Define the term 'dysfunction' as it is used to diagnose Marcus's mental disorder.
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.