Scales

Product Purchase Interest (PPI-N)

The Product Purchase Interest (PPI-N) scale is a 3-item psychometric instrument developed by Minjung Han,...

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
Scales

Purchase Likelihood (PL)

A comprehensive academic psychometric analysis of the Purchase Likelihood (PL) scale, a 3-item semantic differential...

September 12, 2026 • Dr. Mohammed Looti
Scales

Purchase Likelihood from Online Retailer

A psychometric review of the Purchase Likelihood from Online Retailer (PLOR) scale, assessing conditional purchase...

September 12, 2026 • Dr. Mohammed Looti