Limitations of the ASRS screener
Short answer
The ASRS v1.1 screener asks six questions about the past six months. It does not ask about childhood, does not look at how many areas of life are affected, cannot tell ADHD apart from sleep problems, anxiety, depression, or stress, and relies on your own view of yourself. That is why its developers say it is not a standalone diagnostic tool.
Every screener is a compromise between speed and depth. The ASRS v1.1 screener is short on purpose, and that brevity is what makes it practical. It also means there are things it was never designed to capture. Knowing those limits helps you take the outcome seriously without giving it more weight than it can carry.
It looks at a six-month window
The screener asks how often things have happened over the past six months. A diagnosis, by contrast, depends on a much longer history.
This works in both directions. A hard six months, for example after a move or a bereavement, might push answers toward a positive screen. A calm, well-supported six months might push them the other way, even for someone with a lifelong pattern.
It cannot tell what is causing your answers
The screener asks how often something happens, not why. Someone who has slept badly for months, for instance, might answer in a way that looks similar to someone with ADHD. Sorting that out takes a conversation with a clinician, and sometimes more than one.
It does not ask about daily impact or different parts of life
The six questions focus on frequency. They do not ask whether the pattern has cost you a job, strained a relationship, or shows up at home as well as at work. Those details matter a great deal in an evaluation.
It depends on your own view of yourself
Self-report is only as clear as the picture you have of yourself. Some people are hard on themselves and rate every lapse as frequent. Others have adapted for so long that they no longer notice the effort. Neither is a failing; it is simply how self-report works.
Mood on the day can matter too. Taking the screener right after a frustrating morning may tint your answers differently than taking it on a relaxed weekend. Reading each question slowly and thinking of concrete recent examples can help you answer for the whole six months rather than for the moment.
It covers six areas, not all eighteen
So a screener outcome says nothing about many specific experiences a clinician may ask about. If something important to you was not covered by the six questions, write it down and raise it at your appointment.
It reflects older diagnostic criteria
It was studied in particular groups
How any screener performs depends on who is taking it and why. Results from one group do not automatically carry over to every age, culture, language, or setting. That is a general point about screening, and it is another reason ADHDFalcon shows the official outcome without attaching a percentage to it.
Using it well despite the limits
- Answer for the full six months, not just this week.
- If an unusual stretch of life shaped your answers, make a note of it.
- Bring the outcome to a clinician as one data point, alongside your history and real examples.
- If you are struggling, seek help whatever the outcome says.
A starting point for your next step.
Keeping these limits in mind, you can take the free screener and use the outcome as a starting point.Frequently asked questions
Can my screening outcome point the wrong way?
A screening outcome and a later full evaluation do not always agree, in either direction. That is why a positive or negative outcome is a reason to think further, not a final answer.
Why does the screener only ask about six months?
It was designed as a quick screen of recent experience. A full evaluation covers your history back to childhood, which a short questionnaire cannot do.
Should I retake the screener to check my result?
Retaking it in the same week will mostly reflect the same six months. If something has changed, such as better sleep or less stress, your answers may differ later, but a clinician is the right next step if you have concerns.
Why will ADHDFalcon not show me a percentage?
The official outcome is positive or negative. A percentage would suggest precision that a six-question self-report cannot offer for an individual person.
Sources
Source check: 2026-10-28. No medical review has occurred.
- NYU Langone TOV, ASRS v1.1 6-Question Screener license page
- NYU Langone Health, Technology Opportunities & Ventures. ASRS v1.1 18-Question Symptom Checklist (Technology No. ADL01-07), licensing page. Authors Lenard Adler, MD, and Ronald C. Kessler, PhD.
- NYU Langone Health, Technology Opportunities & Ventures. ASRS DSM-5 (Technology No. ADL01-06), licensing page. Authors Lenard Adler, MD, and Ronald C. Kessler, PhD.
- Kessler RC, Adler L, Ames M, et al. The World Health Organization Adult ADHD Self-Report Scale (ASRS): a short screening scale for use in the general population. Psychological Medicine. 2005;35(2):245-256.
- Kessler RC, Adler LA, Gruber MJ, Sarawate CA, Spencer T, Van Brunt DL. Validity of the World Health Organization Adult ADHD Self-Report Scale (ASRS) Screener in a representative sample of health plan members. International Journal of Methods in Psychiatric Research. 2007;16(2):52-65.
- NIMH, Attention-Deficit/Hyperactivity Disorder: What You Need to Know
- NICE guideline NG87, Attention deficit hyperactivity disorder: diagnosis and management
- CDC, ADHD in Adults
Published 2026-10-28. Factual source check: ADHDFalcon editorial team, factual source check, 2026-10-28. No medical review has occurred.