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Psychology unit 4 revision (schizophrenia)

Issues surrounding classification and diagnosis of schizophrenia, including
reliability and validity

Reasons for poor reliability

Copeland- culture

Asked 134 American psychiatrists and 194 British psychiatrists to read
some descriptions of possible schizophrenics and to diagnose those who they
think have schizophrenia.
Found that Americans said…

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Psychology unit 4 revision (schizophrenia)

Different types

More than 1 type of schizophrenia such as schizoaffective and
These are similar; the only difference is the time frame required for
symptoms to be present and that schizoaffective also needs depressive and
manic symptoms

Subjective interpretation

Diagnosis can be unreliable as…


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