Scales

The Self-Determination Scale (SDS)

A comprehensive academic psychometric review of the Self-Determination Scale (SDS), examining its theoretical foundations in...

September 25, 2026 • Dr. Mohammed Looti
Scales

Intrinsic Motivation Inventory (IMI)

A comprehensive academic psychometric profile of the Intrinsic Motivation Inventory (IMI), examining its theoretical origins...

September 24, 2026 • Dr. Mohammed Looti
Scales

Task Evaluation Questionnaire

A comprehensive psychometric guide to the Task Evaluation Questionnaire (TEQ / IMI-TEQ), examining its theoretical...

September 24, 2026 • Dr. Mohammed Looti
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

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