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1. validity is

  • how varied a participant group is
  • the likelihood that different clinicians will arrive at the same diagnosis for the patient
  • the extent to which something measures what it intends too
  • the extent to which the test can be seen as scientific
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2. Bentall (1993) argues that

  • each symptom of Schz should be treated as a disorder in its own right with its own cause and treatment
  • that Schizophrenia goes hand in hand with bipolar disorder and that these disorders should be compared to look for similarities
  • that treatments are unaffective as Schizophrenia can not be cured, without the treatment the disorder will deteriorate

3. how many ICD first rank symptoms are needed over what length of time for the patient to be diagnosed with Schz?

  • 1 symptom, 2 months
  • 2 symptoms, 2 months
  • 1 symptom, 1 month
  • 2 symptoms, 1 month

4. a difference between the ICD and the DSM is

  • the ICD doesnt include symptoms such as delusions and negative symptoms but the DSM does
  • the DSM states two symptoms must be present for a month to be diagnosed whereas the ICD only needs one first rank for a month
  • the DSM states two months of persistent symptoms is necessary whereas the ICD only suggests one month is needed

5. positive symptoms are symptoms that :

  • add to cognitive functioning e.g. halluncinations or delusions
  • something is take away from cognitive functioning e.g. affective flattening
  • create a positive response to the disorder
  • create a negative response to the disorder


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