Process / pipelineClinician-rated scale
Hamilton Anxiety Rating Scale (HAM-A)
The Hamilton Anxiety Rating Scale (HAM-A) is a clinician-administered assessment tool for quantifying the severity of anxiety symptoms in adults. Developed by Max Hamilton in 1959, it remains one of the most widely used instruments for evaluating anxiety in clinical and research settings. The scale measures both psychological and somatic manifestations of anxiety across 14 items.
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Sources
- Hamilton, M. (1959). The assessment of anxiety states by rating. British Journal of Medical Psychology, 32(1), 50-55. DOI: 10.1111/j.2044-8341.1959.tb00467.x ↗
- Maier, W., Buller, R., Philipp, M., & Heuser, I. (1988). The Hamilton Anxiety Rating Scale: reliability, validity and sensitivity to change in anxiety and depressive disorders. Journal of Affective Disorders, 14(1), 61-68. DOI: 10.1016/0165-0327(88)90072-9 ↗