Schizophrenia - SS1 - Validity of Diagnostic Criteria - Research


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Which psychologists supports the validity of the diagnostic criteria?
Hollis
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What did Hollis find when applying patient case notes of 93 cases of early onset schizophrenia to DSM classification diagnoses?
The diagnosis had high stability
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What is comorbidity?
The idea that a patient has overlapping symptoms and may be suffering from 2 disorders at the same time
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Who supports it?
Sim et al
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What did Sim et al find when studying 142 patients?
32% also had another disorder
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What does the Schizotypy Questionnaire indicate?
The risk of psychosis on a scale
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Who developed the Schizotypy Questionnaire to suggest a continuity approach?
Chapman et al
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What did Chaoman et al find?
High scores on the questionnaire mean there is an increased risk of developing schizophrenia
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How do categories help, even though it is hard to categorise people with schizophrenia as of the range of symptoms?
They make diagnosis easier - can say they have schizophrenia or not
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What is a further problem with diagnosing schizophrenia?
Diagnosis can be subjective - different psychiatrists may diagnose differently
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How has the DSM changed?
Began in 1952 and is constantly being updated & reviewed and now more standardised = more knowledgeable and skilled today
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Card 2

Front

What did Hollis find when applying patient case notes of 93 cases of early onset schizophrenia to DSM classification diagnoses?

Back

The diagnosis had high stability

Card 3

Front

What is comorbidity?

Back

Preview of the front of card 3

Card 4

Front

Who supports it?

Back

Preview of the front of card 4

Card 5

Front

What did Sim et al find when studying 142 patients?

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