Reliability+Validity in the diagnosis+classification of schi

• Reliability in diagnosis and classification of schizophrenia

  • Reliability in schizophrenia diagnosis refers to agreement among psychiatrists across time and cultures.
  • Consistent classification of schizophrenia by different psychiatrists means the classification is reliable.
  • If multiple psychiatrists diagnose the same individual as schizophrenic or not, the diagnosis is considered reliable.
• Validity in diagnosis and classification of schizophrenia

  • Validity in schizophrenia diagnosis refers to how accurately psychiatrists diagnose and classify the disorder.
  • Accurate classification means schizophrenia is distinguished as a unique syndrome with identifiable symptoms.
  • Diagnosis is considered valid if psychiatrists correctly identify those with and without schizophrenia.