ASRS
Adult ADHD Self-Report Scale (ASRS)
The ASRS is designed to identify symptoms of attention-deficit/hyperactivity disorder (ADHD) in adults. It was developed in collaboration with the World Health Organization (WHO) and the Workgroup on Adult ADHD.
- Number of questions
- 18 questions
- Estimated duration
- 4 minutes
- Language
- English
- Original name
- Adult ADHD Self-Report Scale
- Category
- ADHD
Preview of the 18 questions
Scoring & interpretation
Each item is answered on a frequency scale: Never, Rarely, Sometimes, Often, Very Often. Depending on the item, the symptom is counted as present (1) from “Sometimes” or only from “Often” (official ASRS thresholds), otherwise absent (0). The test sums these items (0 to 18).
Part A: screening (6 items) This is the validated part of the ASRS. A score ≥ 4 out of 6 points toward ADHD and warrants an in-depth clinical evaluation.
Part B (12 items) Additional symptoms, with no interpretive cutoff: they serve as leads to explore during the interview, not as a score to compute.
Subscales by domain (spread across all 18 items)
- Inattention (0–9)
- Hyperactivity / motor impulsivity (0–5)
- Hyperactivity / verbal impulsivity (0–4)
A higher score reflects more frequent symptoms. The result is a screening, not a diagnosis.
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