Last updated: August 2026

One Mental Hub uses validated mental health screening instruments under their published terms. This page lists copyright holders, permitted use, and required attribution for instruments integrated in our product.

All instruments are offered for screening and informational purposes only — not diagnosis. See our Medical Disclaimer.

Patient Health Questionnaire-9 (PHQ-9)

Developer: Robert L. Spitzer, Janet B.W. Williams, Kurt Kroenke, and colleagues (Pfizer Inc.)
Published: 2001 — Kroenke K, Spitzer RL, Williams JB.
What One Mental Hub includes: The standard 9-item depression severity measure using official item wording, 0–3 response scale, and validated scoring.
License summary: Free for clinical, research, and commercial screening use. No license fee. Item wording should not be altered.
Attribution: PHQ-9 © Pfizer Inc. Developed by Spitzer RL, Williams JBW, and Kroenke K.
Reference: Kroenke K, Spitzer RL, Williams JB. The PHQ-9: validity of a brief depression severity measure. J Gen Intern Med. 2001;16(9):606-613.

Generalized Anxiety Disorder 7-item scale (GAD-7)

Developer: Robert L. Spitzer, Kurt Kroenke, Janet B.W. Williams, and Bernd Löwe
Published: 2006 — Spitzer RL, Kroenke K, Williams JBW, Löwe B.
What One Mental Hub includes: The standard 7-item anxiety severity measure using official item wording, 0–3 response scale, and validated scoring.
License summary: Free for clinical, research, and commercial screening use. No license fee. Item wording should not be altered.
Attribution: GAD-7 developed by Spitzer RL, Kroenke K, Williams JBW, and Löwe B.
Reference: Spitzer RL, Kroenke K, Williams JBW, Löwe B. A brief measure for assessing generalized anxiety disorder: the GAD-7. Arch Intern Med. 2006;166(10):1092-1097.

Work and Social Adjustment Scale (WSAS)

Developer: JC Mundt, IM Marks, MK Shear, and JM Greist
Published: 2002 — Mundt JC, Marks IM, Shear MK, Greist JM.
What One Mental Hub includes: The standard 5-item functional impairment measure using official item wording and a 0–8 response scale.
License summary: Free for clinical and research use. No license fee required.
Attribution: Work and Social Adjustment Scale (WSAS) © JC Mundt, IM Marks, MK Shear, JM Greist (2002).
Reference: Mundt JC, Marks IM, Shear MK, Greist JM. The Work and Social Adjustment Scale: a simple measure of impairment in functioning. Br J Psychiatry. 2002;180(5):461-464.

Adult ADHD Self-Report Scale (ASRS v1.1) — Part A screener

Developer: World Health Organization (WHO), in collaboration with Harvard Medical School and NYU
Published: 2005 — Kessler RC, Adler L, Ames M, et al.
What One Mental Hub includes: The 6-item Part A screener only, delivered as an electronic version using official item wording without modification. Validated for adults 18+.
License summary: Free for clinical, non-clinical, and commercial use. Attribution required. No content modification permitted beyond authorized electronic versions.
Required attribution: Adult ADHD Self-Report Scale (ASRS v1.1) © World Health Organization. Developed by Kessler RC, Adler L, Ames M, et al. (2005).
Reference: Kessler RC, Adler L, Ames M, et al. (2005). The World Health Organization Adult ADHD Self-Report Scale (ASRS): a short screening scale for use in the general population. Psychological Medicine.
Not included: The 18-item full Symptom Checklist (Part B) is not shipped. Formal commercial licensing for the full checklist may require coordination with NYU Technology Opportunities & Ventures.

Harvard NCS — ASRS NYU TOV Licensing (full checklist)

Positioned as a screening/informational tool in Switzerland; positive screens should be followed up with a licensed healthcare professional.

Adverse Childhood Experiences (ACE) Questionnaire

Developer: Centers for Disease Control and Prevention (CDC) and Kaiser Permanente — Felitti VJ, Anda RF, Nordenberg D, et al.
Published: 1998 — Felitti VJ, Anda RF, Nordenberg D, et al.
What One Mental Hub includes: The standard 10-item ACE screening questionnaire about adverse experiences before age 18, using established item wording and a yes/no response per item (total score 0–10).
License summary: Widely used in clinical and public-health screening. No license fee. Item wording should not be altered.
Attribution: Adverse Childhood Experiences (ACE) questionnaire adapted from the CDC-Kaiser ACE Study (Felitti VJ, Anda RF, et al.).
Reference: Felitti VJ, Anda RF, Nordenberg D, et al. Relationship of childhood abuse and household dysfunction to many of the leading causes of death in adults. Am J Prev Med. 1998;14(4):245-258.

PTSD Checklist for DSM-5 (PCL-5)

Developer: National Center for PTSD, U.S. Department of Veterans Affairs — Weathers FW, Litz BT, Keane TM, Palmieri PA, Marx BP, Schnurr PP
Published: 2013 — Weathers FW, Litz BT, et al.
What One Mental Hub includes: The standard 20-item PCL-5 using official item wording, a 0–4 response scale, and validated total scoring (0–80).
License summary: Available for clinical and research use at no charge. Attribution required. Item wording should not be altered.
Attribution: PCL-5 © National Center for PTSD. Developed by Weathers FW, Litz BT, Keane TM, Palmieri PA, Marx BP, Schnurr PP.
Reference: Weathers FW, Litz BT, Keane TM, Palmieri PA, Marx BP, Schnurr PP. The PTSD Checklist for DSM-5 (PCL-5). National Center for PTSD.

Alcohol Use Disorders Identification Test (AUDIT)

Developer: World Health Organization (WHO) — Saunders JB, Aasland OG, Babor TF, de la Fuente JR, Grant M
Published: 1993 — Saunders JB, Aasland OG, et al.
What One Mental Hub includes: The standard 10-item AUDIT using official WHO item wording, a 0–4 response scale, and validated total scoring (0–40).
License summary: Free for clinical, research, and public-health use. Attribution required. Item wording should not be altered.
Attribution: AUDIT © World Health Organization. Developed by Saunders JB, Aasland OG, Babor TF, de la Fuente JR, Grant M.
Reference: Saunders JB, Aasland OG, Babor TF, de la Fuente JR, Grant M. Development of the Alcohol Use Disorders Identification Test (AUDIT): WHO Collaborative Project on Early Detection of Persons with Harmful Alcohol Consumption. Addiction. 1993;88(6):791-804.

Insomnia Severity Index (ISI)

Developer: Charles M. Morin, CH Bastien, and A Vallières
Published: 2001 — Bastien CH, Vallières A, Morin CM.
What One Mental Hub includes: The standard 7-item insomnia severity index using official item wording, 0–4 response scale, and validated total scoring (0–28).
License summary: Widely used in clinical and research settings. No license fee for standard screening use. Item wording should not be altered.
Reference: Bastien CH, Vallières A, Morin CM. Validation of the Insomnia Severity Index as an outcome measure for insomnia research. Sleep Med. 2001;2(4):297-307.

Questions

For licensing or attribution questions, contact us at contact @ onementalhub.com.

Instrument licenses & attributions