Scales

Activity Perception Questionnaire

The Activity Perception Questionnaire (APQ) is a 25-item psychometric instrument grounded in Self-Determination Theory that...

September 24, 2026 • Dr. Mohammed Looti
Scales

Aspirations Index

The Aspirations Index (AI) is a foundational psychometric instrument developed by Tim Kasser and Richard...

September 24, 2026 • Dr. Mohammed Looti
Scales

Basic Psychological Needs Scales

The Basic Psychological Needs Scales (BPNS) assess the core psychological nutriments of autonomy, competence, and...

September 24, 2026 • Dr. Mohammed Looti
Scales

The Self-Determination Scale (SDS)

An in-depth academic review of the Self-Determination Scale (SDS) developed by Sheldon and Ryan, evaluating...

September 24, 2026 • Dr. Mohammed Looti
Scales

Perceptions of Parents Scales – Child

A comprehensive psychometric overview of the Perceptions of Parents Scales - Child (POPS-Child), measuring children's...

September 24, 2026 • Dr. Mohammed Looti
Scales

Personal Growth Initiative Scale (PGIS)

A comprehensive academic analysis of the Personal Growth Initiative Scale (PGIS) developed by Christine Robitschek,...

September 24, 2026 • Dr. Mohammed Looti
Scales

Ego Resilience Scale

A comprehensive psychometric guide to the Ego Resilience Scale (ER89) developed by Jack Block and...

September 24, 2026 • Dr. Mohammed Looti