Issues of reliabilty and validity

1. Developed a first rank system that he believed distinguished schizophrenia from other disorders. (8)
2. Normal people presented themselves to psychiatric hospitals in US, claiming they heard an unfamiluar voice in their head. All diagnosed with schizohprenia and admitted. None of staff recognised that they were normal. (8)
8. DSM validity low due to patients being heterogenous (6)
9. Overlap of conditions (11)

2. Follow up study. Warned hospitals that he was going to send out pseudo patients. 21% detection rate, but no pseudo patients sent (8)
3. Found people with DID have more schizophrenia symptoms than those with schizophrenia. Raises issues with comorbidity so hard to tret as diagnosis is unreliable (7, 3, 4)
4. Extent to which psychiatrists can agree on the same diagnosis. DSM 3 claims to increase __________ of diagnosis. (11)
6. Overlap of symptoms (12)
7. Reductionist. Social bias. Cultural bias. Ethics. Idographic approach. (4)
10. Inter-rate reliability as low as 11%. Diagnosis in inconsitant. DSM unreliable in accuratley and consistantly diagnosis schizophrenia (6)

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