Scales

Migraine-Specific Quality-of-Life

The Migraine-Specific Quality-of-Life (MSQOL) measure is a patient-reported outcome tool assessing the multidimensional impact of...

October 2, 2026 • Dr. Mohammed Looti
Scales

Headache-Specific Locus of Control Scale

The Headache-Specific Locus of Control Scale (HSLC) is an authoritative 33-item psychometric instrument evaluating cognitive...

September 24, 2026 • Dr. Mohammed Looti
Scales

Headache Impact Test

An in-depth psychometric review and clinical guide to the Headache Impact Test (HIT-6), detailing its...

September 12, 2026 • Dr. Mohammed Looti
Scales

Henry Ford Headache Disability Inventory

The Henry Ford Headache Disability Inventory (HDI) is a 25-item validated psychometric instrument developed by...

September 12, 2026 • Dr. Mohammed Looti