Scales Product Disposal Guilt (PDG) The Product Disposal Guilt (PDG) scale is a 3-item psychometric instrument developed by Remi Trudel,... September 12, 2026 • Dr. Mohammed Looti
Scales ECOSCALE The ECOSCALE is a 30-item psychometric instrument developed by Stone, Barnes, and Montgomery (1995) to... September 11, 2026 • Dr. Mohammed Looti