Adult ADHD Self-Report Scale (ASRS v1.1)

An 18-item self-report scale for screening adult ADHD based on DSM-IV criteria. Part A (6 items) is the core screener; Part B provides additional cues. The standard scoring uses a frequency-based Likert scale.

1. How often do you have trouble wrapping up the final details of a project, once the challenging parts have been done?

Part A

2. How often do you have difficulty getting things in order when you have to do a task that requires organisation?

Part A

3. How often do you have problems remembering appointments or obligations?

Part A

4. When you have a task that requires a lot of thought, how often do you avoid or delay getting started?

Part A

5. How often do you fidget or squirm with your hands or feet when you have to sit down for a long time?

Part A

6. How often do you feel overly active and compelled to do things, like you were driven by a motor?

Part A

7. How often do you make careless mistakes when you have to work on a boring or difficult project?

Part B

8. How often do you have difficulty keeping your attention when you are doing boring or repetitive work?

Part B

9. How often do you have difficulty concentrating on what people say to you, even when they are speaking to you directly?

Part B

10. How often do you misplace or have difficulty finding things at home or at work?

Part B

11. How often are you distracted by activity or noise around you?

Part B

12. How often do you leave your seat in meetings or other situations in which you are expected to remain seated?

Part B

13. How often do you feel restless or fidgety?

Part B

14. How often do you have difficulty unwinding and relaxing when you have time to yourself?

Part B

15. How often do you find yourself talking too much when you are in social situations?

Part B

16. When you're in a conversation, how often do you find yourself finishing the sentences of the people you are talking to, before they can finish them themselves?

Part B

17. How often do you have difficulty waiting your turn in situations when turn taking is required?

Part B

18. How often do you interrupt others when they are busy?

Part B

Note: The ASRS v1.1 is widely used in primary care and psychiatry. A shorter 6-item version (ASRS-S) exists based on Part A alone.

Scoring Table

Parameter	Points
Response Values	Never: 0 points Rarely: 1 points Sometimes: 2 points Often: 3 points Very often: 4 points

Interpretation

Category	Score Range	Action
● Low likelihood of ADHD	0-17	ADHD symptoms unlikely; consider other diagnoses if concerns persist.
● Moderate likelihood of ADHD	18-29	Some ADHD symptoms present; further clinical evaluation recommended.
● High likelihood of ADHD	30-72	Strong ADHD symptomatology; comprehensive diagnostic assessment warranted.

References

Adult ADHD Self-Report Scale (ASRS) Symptom Checklist. World Health Organization (WHO) / Workgroup on Adult ADHD (2003). https://add.org/wp-content/uploads/2015/03/adhd-questionnaire-ASRS111.pdf
The World Health Organization Adult ADHD Self-Report Scale (ASRS): a short screening scale for use in the general population. Psychological Medicine (2005). https://pubmed.ncbi.nlm.nih.gov/15841882/

Medical Disclaimer

This calculator is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider with any questions you may have regarding a medical condition.

ASRS is a screening tool, not a diagnostic instrument. Diagnosis requires clinical interview and often collateral history.
Some adults with ADHD may under-report symptoms due to compensatory strategies.
Cultural and linguistic factors can affect responses.

Adult ADHD Self-Report Scale (ASRS v1.1)

Scoring Table

Interpretation

References

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