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

Product Purchase Interest (PPI-S)

A comprehensive psychometric guide to the Product Purchase Interest (PPI-S) scale, assessing consumer purchase intentions...

September 23, 2026 • Dr. Mohammed Looti