15/11/23: Exam questions

If a person visited two different psychiatrists, they might receive two different diagnoses of their medical condition.  Assess the reliability of mental disorder diagnosis using research evidence. (8)

Reliability is based on the consistency of results found, more that one of the same results show that they are reliable. This apiles when diagnosing mental heath issues if a person go to see two psychiatrist and gets difference diagnosis this means that neither diagnosis is reliable. Also if a clinician gives one diagnosis for one person presenting with a set of symptoms and another with difference symptoms and get the same diagnosis this show unreliability and a lack of validity.

There are two diagnosis systems used in the world the ICD and DSM. there are distinct differences in these as the diagnosis depends on which system is used, therefore reducing the reliability of diagnosis. There has been found to be only 68% agreement between the ICD and DSM. Rosehan 1973 provided evidence that diagnosis were flawed, as staff were unable to tell mentally disordered patients apart from those who were mentally heathy. Spitzer and flies 1974 claimed that reliability was not high for any mental disorder and that reliability for psychosis and schizophrenia was just fair rather that good. 


A news article has criticised the effectiveness of psychological treatment. The headline was ‘Psychological treatments for mental disorders do not work as these disorders are not psychological in origin’. For a mental disorder other than schizophrenia,

use your knowledge of the possible explanations of its causes to assess how effective a psychological treatment would be compared to a biological treatment. (8)









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