Scales

Anger

A comprehensive psychometric analysis of Katja Gelbrich's (2011) 8-item Consumer Anger Scale, covering its theoretical...

September 18, 2026 • Dr. Mohammed Looti
Scales

Customer Rage (Non-Verbal Expressions) (CR)

A comprehensive psychometric review of the Customer Rage (Non-Verbal Expressions) (CR) scale, detailing its theoretical...

September 17, 2026 • Dr. Mohammed Looti