# Reference Group Influence

3 results
Scales

Product Necessity-Luxury Classification

A comprehensive academic psychometrics review of the Product Necessity-Luxury Classification (PNLC) developed by William O....

September 16, 2026 memjavad
Scales

Reference Group Influence Scale

A comprehensive academic guide to the Reference Group Influence Scale (RGI) by Park and Lessig...

September 7, 2026 memjavad