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Discuss issues of reliability and validity associated with the classification and diagnosis of
Schizophrenia (8+16)

Schizophrenia (sz) is a psychological illness characterised by the inability to tell the difference between reality and
fantasy. Patients experience both positive and negative symptoms and in order to be diagnosed sz, a patient must…

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how sz are treated and also that people are greatly misdiagnosed. This nurture approach does not look into genetics,
only how the person behaves, which is misleading as there are individual differences, which leads to unreliable
methods of diagnosing people. Test ­ retest and inter ­ rater reliability have issues…


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