What is the Adult ADHD Self-Report Scale (ASRS)?

The Adult ADHD Self-Report Scale (ASRS) is a validated screening tool for symptoms of Attention-Deficit/Hyperactivity Disorder (ADHD) in adults.

Who developed the ASRS and when?

Developed by the World Health Organization (WHO) in collaboration with experts, published in 2003.

What type of assessment is the ASRS?

It is a self-report questionnaire.

What symptoms does the ASRS assess?

• Inattentiveness
• Hyperactivity
• Impulsivity
• Executive functioning difficulties

How many items and what format?

18 items, each rated on a 5-point scale (Never to Very Often).

How is the ASRS scored?

Part A (questions 1-6) is the primary screening section. A positive screen requires 4 or more "shaded" responses (Q1-3: Sometimes or higher; Q4-6: Often or higher).

Who can use the ASRS?

Adults (18+), validated in multiple languages and cultures.

What are the strengths of the ASRS?

Quick, easy, widely used, good sensitivity/specificity for screening.

What are the limitations of the ASRS?

Not a diagnostic tool; self-report may be biased.