Hamilton Anxiety Rating Scale (HAI-18)
Duration: 10-15 minQuestion 1 of 18
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Anxious mood: Worries, anticipation of the worst, fearful anticipation, irritability

FAQs

What is the Hamilton Anxiety Rating Scale (HAI-18)?

The Hamilton Anxiety Rating Scale (HAI-18) is an 18-item clinician-administered questionnaire that assesses the severity of anxiety symptoms.

Who developed the HAI-18 and when?

Developed by Max Hamilton in 1959; expanded to 18 items in later versions.

What type of assessment is the HAI-18?

It is a clinician-rated or self-report questionnaire.

What does the HAI-18 assess?

  • Psychic anxiety (mental symptoms)
  • Somatic anxiety (physical symptoms)
  • Anxious mood and tension
  • Fears and phobias
  • Sleep disturbances
  • Cognitive difficulties

How many items and what format?

18 items, rated 0-4 (0=Not present, 4=Severe).

How is the HAI-18 scored?

Total score 0-72; higher scores indicate more severe anxiety.

Are there versions of the HAI-18?

14-item original; 18-item expanded version.

Who can use the HAI-18?

Adults with anxiety disorders; used in clinical and research settings.

What are the strengths of the HAI-18?

Comprehensive, reliable, widely used in research.

What are the limitations of the HAI-18?

Requires clinical judgment; may not capture all anxiety types.

How is the HAI-18 used?

Anxiety disorder assessment, treatment monitoring, research.