Scales

Self-Referencing (SR-H)

A comprehensive psychometric overview of the Self-Referencing (SR-H) scale developed by Hartmann, Heitmann, Schamp, and...

September 23, 2026 • Dr. Mohammed Looti
Scales

Product Purchase Interest (PPI-H)

A comprehensive psychometric review of the Product Purchase Interest (PPI-H) scale developed by Hartmann, Heitmann,...

September 23, 2026 • Dr. Mohammed Looti