Adult ADHD: 6 Signs, the ASRS Test and How to Read It

Sarah, 32, a manager at a tech company, has always felt like she was "swimming against the current." Despite her obvious intelligence and motivation, she struggles to finish her projects, constantly forgets her appointments, and feels overwhelmed by administrative tasks. Her colleagues describe her as creative but scattered, and she herself wonders why she can't "function normally" like everyone else.

In the article that follows, I explore adult ADHD and attention difficulties. If you recognise yourself in this theme, I designed an adult ADHD test that helps you take stock of the signs of an ADHD profile in you. It comes with a guide to extend your reflection beyond the results. I also wrote a book on this subject, The Practical CBT Guide, if you would like to go further.

Does this situation sound familiar? Sarah, like many adults, is discovering late in life that she may have Attention Deficit Hyperactivity Disorder (ADHD). ADHD can continue into adulthood and may be recognised only later in life. The Adult ADHD Self-Report Scale (ASRS), developed by the World Health Organization in collaboration with Kessler and colleagues, is a screening tool used to help identify possible adult ADHD.

Explore this site's adult ADHD questionnaire → — The ASRS validation findings discussed in this article should not be taken as validation of a different questionnaire.

Understanding how to interpret this test can help you better grasp your daily difficulties and guide you toward appropriate support. Let's explore this essential screening tool and its rigorous interpretation together.

What is the ASRS and why is it so important?

The scientific foundations of the ASRS

The ASRS v1.1 was developed with a WHO work group, including researchers at Harvard and New York University. The 18-item checklist concerns DSM-IV ADHD symptoms; six items form the short screener. ASRS-5 is a separate instrument. See Harvard's background information and official instrument information.

In the 2005 validation study, the six-item screener had 68.7% sensitivity and 99.5% specificity against clinical DSM-IV assessments. In that study, sensitivity describes detection among participants with ADHD; specificity describes negative results among those without it. These estimates do not describe the accuracy of every ASRS version, population or online ADHD test, and neither percentage is an individual's probability of having ADHD.

Structure of the ASRS test

The ASRS consists of 18 questions divided into two distinct parts:

Part A (6 questions) - Screener:

• Assesses the symptoms most predictive of adult ADHD
• Allows for quick, effective screening
• Questions about attention, organization, and hyperactivity

Part B (12 questions) - Additional assessment:

• Explores the full range of ADHD symptoms
• Deepens the understanding of the functional impact of the difficulties
• Completes the overall clinical picture

How to interpret your ASRS test results

Scoring depends on the ASRS version and method

The original six-item ASRS v1.1 screener uses item-specific response thresholds. It counts flagged responses on a 0–6 scale, with four or more marking a positive screen. Use the official form's instructions rather than a reconstructed question-by-question table.

Harvard's February 2024 scoring note also describes a different method: six response scores are summed on a 0–24 scale, with 14 or more marking a positive screen. The note describes this approach as more robust for research on prevalence and correlates. These two cutoffs belong to different scoring methods; neither is a cutoff for an 18-item total or a diagnosis.

Harvard's December 2023 methodological notice withdrew its earlier advice for converting DSM-IV screener responses into DSM-5 predictions, citing a scoring error and overfitting. Follow the instructions for the instrument actually completed; do not mix ASRS v1.1 and ASRS-5 scoring.

Analysis of the symptom domains

The ASRS explores three main domains of adult ADHD:

#### Inattention Symptoms of inattention in adults appear as:

• Difficulty maintaining attention on work tasks
• Careless mistakes in important documents
• Chronic procrastination on administrative tasks
• Frequent loss of personal items (keys, wallet, phone)

#### Hyperactivity Adult hyperactivity differs from that of children:

• A constant feeling of internal restlessness
• Difficulty staying seated during long meetings
• A need to move hands or feet
• A sensation of an "internal motor" always running

#### Impulsivity Impulsivity shows up as:

• Frequently interrupting conversations
• Difficulty waiting one's turn
• Hasty decision-making
• Recurring impulse purchases

ADHD presentations and the limits of a screening profile

ADHD can have a predominantly inattentive, predominantly hyperactive-impulsive, or combined presentation. These describe patterns assessed during diagnosis, not categories established by a few ASRS item scores. See NIMH's overview of adult ADHD.

For example, someone may describe difficulty organising work and remembering appointments with little restlessness. Someone else may report both attention difficulties and impulsive behaviour. These examples can help describe concerns during an assessment; they do not establish a diagnosis or presentation.

Limits of the ASRS test and interpretation precautions

What the ASRS cannot do

It is crucial to understand that the ASRS has certain limits:

#### Diagnostic limits

• It does not provide a definitive diagnosis: Only a qualified professional can establish an ADHD diagnosis
• Risk of confirmation bias: A person may unconsciously steer their answers
• Influence of context: Current stress can amplify reported symptoms

#### Differential diagnoses to consider The ASRS cannot distinguish ADHD from other conditions that may present similar symptoms:

• Anxiety disorders: Anxiety can cause concentration difficulties
• Major depressive episode: Depression affects attention and motivation
• Sleep disorders: Sleep apnea or chronic insomnia impair cognitive function
• Thyroid disorders: Hyperthyroidism can mimic hyperactivity

The importance of a complete clinical assessment

An experienced professional will carry out an assessment including:

Detailed history:

• Developmental history (symptoms before age 12)
• Academic and professional path
• Family history of ADHD
• Substance use

Functional assessment:

• Impact on interpersonal relationships
• Professional or academic consequences
• Effects on self-esteem

What to do after taking the ASRS

If your results suggest possible ADHD

#### Recommended steps

Consult a specialized professional: A psychiatrist, neuropsychologist, or clinical psychologist trained in adult ADHD

Prepare for your consultation: Gather your school reports, accounts from loved ones, professional history

Document your difficulties: Keep a journal of your symptoms over a few weeks

Learn about treatments: Cognitive behavioral therapies, medication, accommodations

#### Treatment options

Care may include medication, psychological treatment and changes to the working or home environment. The choice depends on an individual assessment and follow-up. NICE guidance for adults includes ADHD-focused psychological support, which may incorporate CBT, alongside medication options where appropriate.

The ASRS score does not determine a treatment, a response rate or a fixed number of therapy sessions.

Impact on couple relationships

Adult ADHD can significantly affect intimate relationships. Partners often report:

• Frustrations linked to recurring forgetfulness
• Communication difficulties due to impulsivity
• Imbalances in the sharing of household tasks
• Misunderstandings about emotional commitment

If your results don't suggest ADHD

A negative ASRS screen does not completely rule out ADHD. If difficulties persist, the result can be discussed as part of a fuller assessment. Also consider:

Other avenues to explore:

• Generalized anxiety disorders
• Post-traumatic stress disorder
• Mood disorders
• Difficulties related to life transitions

General improvement strategies:

• Mindfulness techniques for attention
• Improving sleep hygiene
• Stress and priority management
• Strengthening organizational skills

Additional resources and perspectives

Additional assessment tools

Other scales can complement the ASRS:

• Conners Adult ADHD Rating Scales (CAARS): A more detailed assessment with self- and observer-rated versions
• DIVA-5 questionnaire: A structured diagnostic interview based on the DSM-5
• Continuous Performance Test (CPT): An objective assessment of sustained attention

Learning more about treatment evidence

For an overview of treatment options and their limits, consult NIMH's adult ADHD information and NICE's recommendations. An ASRS screening result alone cannot establish whether a particular intervention will help an individual.

Adult ADHD, long overlooked and underdiagnosed, now benefits from reliable screening tools like the ASRS and from effective care. If you recognize yourself in the symptoms described and your ASRS score suggests a more thorough evaluation, don't hesitate to take the step toward a specialized consultation.

People with ADHD have varied strengths and difficulties. The example of Sarah illustrates possible difficulties; it is not evidence of a treatment outcome.

Self-assessment with the ASRS is a valuable first step toward a better understanding of how you function. Whether or not your results point toward ADHD, this process of introspection already helps you better identify your needs and adjust your environment accordingly.

Explore this site's adult ADHD questionnaire →

Related articles

• Adult ADHD: 6 Signs, ASRS Test and Interpretation
• Daily Impact of ADHD test: what it measures and how to interpret your score
• Motivation and Values test: what it measures and how to interpret your score
• Parentification Test: What It Measures and How to Read Your Score
• What a Burnout Test Measures: The Signs of Exhaustion It Assesses

FAQ

What does the ASRS measure?

The ASRS v1.1 asks about adult ADHD symptoms. Its six-item screener and 18-item checklist are described above, together with their different scoring considerations. It is a screening aid, not a diagnosis.

Can the ASRS diagnose ADHD?

No. A clinical assessment also considers developmental history, difficulties across settings and other possible explanations. NIMH describes this assessment process.

What should I do if the result suggests possible ADHD?

Discuss the result and the difficulties you experience with a healthcare professional trained in adult ADHD assessment. A screening score does not prescribe CBT or a fixed number of sessions.