issues surrounding classification + diagnosis of schizophrenia (reliability)
- Created by: athinaP
- Created on: 16-05-16 10:56
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- issues surrounding classification + diagnosis of schizophrenia (reliability)
- reliability
- clinicians use either the DSM or ICD. both should enable them to reliably diagnose schizophrenia
- evidence
- copeland et al: gave a description of a patient to 134 us + 194 british psychiatrists
- 69% of us psychiatrists diagnosed the person as schizophrenic whereas only 2% of british psychiatrists gave the same diagnosis
- this shows there's significant cross cultural variation in diagnosis.
- 69% of us psychiatrists diagnosed the person as schizophrenic whereas only 2% of british psychiatrists gave the same diagnosis
- whalley: found inter-rater reliability correlations in the diagnosis of schizophrenia were as low as 0.11
- copeland et al: gave a description of a patient to 134 us + 194 british psychiatrists
- implications
- treatment: the wrong diagnosis could lead to the wrong treatment being given. this is important as the drug treatments have serious side effects.
- labelling: when someone is diagnosed with schizophrenia they are also labelled + these negative labels are hard to remove.
- wrong diagnosis means someone may carry this negative stigma for the rest of their life.
- ways of dealing with the issue
- improve the manuals: there were many differences between early versions of ICD + DSM
- more current manuals are more similar but still have differences
- The main difference is that the DSM requires symptoms to be present for 6 months whereas the ICD only requires symptoms to be present for 1 month
- more current manuals are more similar but still have differences
- improve the manuals: there were many differences between early versions of ICD + DSM
- reliability
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