What is the Scale for the Assessment of Positive Symptoms?

Introduction

Within psychological testing, 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.

Items

  • Hallucinations:
    • Auditory Hallucinations.
    • Voices Commenting.
    • Voices Conversing.
    • Somatic or Tactile Hallucinations.
    • Olfactory Hallucinations.
    • Visual Hallucinations.
    • Global Rating of Severity of Hallucinations.
  • Delusions:
    • 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 Behaviour:
    • Clothing and Appearance.
    • Social and Sexual Behaviour.
    • Aggressive and Agitated Behaviour.
    • Repetitive or Stereotyped Behaviour.
    • Global Rating of Severity of Bizarre Behaviour.
  • Positive Formal Thought Disorder:
    • Derailment (loose associations).
    • Tangentiality.
    • Incoherence (Word salad, Schizophasia).
    • Illogicality.
    • Circumstantiality.
    • Pressure of speech.
    • Distractible speech.
    • Clanging.
    • Global Rating of Positive Formal Thought Disorder.

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