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Scale for the Assessment of Positive Symptoms

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The Scale for the Assessment of Positive Symptoms (SAPS) is a rating scale to measure positive symptoms in schizophrenia. The scale was developed by Nancy Andreasen and was first published in 1984. SAPS is split into 4 domains, and within each domain separate symptoms are rated from 0 (absent) to 5 (severe). The scale is closely linked to the Scale for the Assessment of Negative Symptoms (SANS) which was published a few years earlier.



  • Auditory Hallucinations
  • Voices Commenting
  • Voices Conversing
  • Somatic or Tactile Hallucinations
  • Olfactory Hallucinations
  • Visual Hallucinations
  • Global Rating of Severity of Hallucinations


  • Persecutory Delusions
  • Delusions of Jealousy
  • Delusions of Sin or Guilt
  • Grandiose Delusions
  • Religious Delusions
  • Somatic Delusions
  • Ideas and Delusions of Reference
  • Delusions of Being Controlled
  • Delusions of Mind Reading
  • Thought Broadcasting
  • Thought Insertion
  • Thought Withdrawal
  • Global Rating of Severity of Delusions

Bizarre BehaviourEdit

  • Clothing and Appearance
  • Social and Sexual Behavior
  • Aggressive and Agitated Behavior
  • Repetitive or Stereotyped Behavior
  • Global Rating of Severity of Bizarre Behavior

Positive Formal Thought DisorderEdit

See also Edit


  • Andreasen NC: Scale for the Assessment of Positive Symptoms (SANS) . Iowa City, University of Iowa, 1984;

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