Scales

Job Stress Index (JSI)

Comprehensive psychometric overview of the Job Stress Index (JSI), a 12-item self-report instrument assessing occupational...

September 26, 2026 • Dr. Mohammed Looti
Scales

Physical Symptoms Inventory (PSI)

A comprehensive psychometric guide to the Physical Symptoms Inventory (PSI) developed by Spector and Jex...

September 23, 2026 • Dr. Mohammed Looti