Diagnosing SZ

• What is meant be a positive symptom?

  Something that adds to the life of the sufferer
• What are the positive symptoms of SZ?

  Hallucinations and delusions
• What is meant by a negative symptom of SZ?

  Remove something from the sufferers life
• What is an example of a negative symptom of SZ?

  Speech poverty and avolition
• What are the systems used to diagnose SZ?

  ICD-11 or DSM-5
• What did Nilsson find about concordance rate between diagnoses using different classifications?

  Only a 60% concordance rate using the ICD system between practitioners
• What did Soderburg find the concordance rate between practitioners is for the DSM-5 system?

  81%