Introduction
The Hamilton Anxiety Rating Scale (HAM-A) is a widely used clinical tool designed to quantify the severity of anxiety symptoms. Developed by Dr. Max Hamilton in 1959, it is one of the earliest scales of its kind, intended for use with adults particularly in a clinical setting. The HAM-A consists of 14 items, each aimed at assessing a different aspect of anxiety as experienced by the individual. These items are rated on a scale, with the total score providing an overall measure of the person's anxiety level. This test has been important in both the diagnosis and the monitoring of anxiety disorders, facilitating a structured approach to understanding the nuances of an individual’s mental health condition.
The scale's design reflects a comprehensive approach to assessing anxiety, covering both psychological and somatic symptoms. This includes aspects such as mood, fears, tension, insomnia, intellectual (cognitive) symptoms, and somatic complaints, among others. The scoring system ranges from “not present” to “severe”, allowing clinicians to gauge the intensity of each symptom. The HAM-A’s broad coverage of symptoms makes it a useful instrument, suitable for tracking changes over time and evaluating the effectiveness of treatment interventions. Despite its age, the HAM-A continues to be validated against more contemporary measures of anxiety, affirming its relevance and utility in today's clinical environments.
The Hamilton Anxiety Rating Scale remains a foundational tool in the field of psychiatry and psychology, widely used for its intended purpose of assessing anxiety levels in adult individuals. Its enduring presence in clinical settings underscores the ongoing importance of standardized measures in the diagnosis and treatment of mental health disorders.
Instructions
Below is a list of phrases that describe certain feeling that people have. Find the answer which best describes the extent to which you experience these conditions. Select one of the five responses for each of the fourteen questions.
Scoring and result metrics
The result page reports a local screening score for this questionnaire. Use the score range, any subscale scores, and the interpretation band together rather than treating one number as a diagnosis.
- Score range
- 0-56
- Items scored
- 14
- Result indicators
- Total score / Interpretation band when available
Score interpretation bands
- 0-17Mild anxiety
Scores in the 0-17 range may be indicative of mild anxiety levels.
- 18-30Moderate anxiety
Scores in the 18-30 range may indicate moderate to severe anxiety levels.
- 31-56Very severe anxiety
Scores in the 31-56 range are indicative of very severe anxiety levels..
Interpretation bands summarize screening thresholds from the questionnaire source material. Higher scores usually indicate more of the measured concern unless the tool notes a different scoring rule.
Sources
- M Hamilton. The Assessment of Anxiety States by Rating. 32 Br J Med Psychol 50-55. 1959.
- W Maier, R Buller, M Philipp, & I Heuser. The Hamilton Anxiety Scale: Reliability, Validity and Sensitivity to Change in Anxiety and Depressive Disorders. 14(1) J Affect Disord 61-68. 1988.
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