Scales
Aspirations Index
The Aspirations Index (AI) is a foundational psychometric instrument developed by Tim Kasser and Richard...
Self-Determination Theory
29 results
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
The Problems at Work Questionnaire (PAW)
A psychometric review of the Problems at Work Questionnaire (PAW), an assessment created by Deci,...
September 24, 2026
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Dr. Mohammed Looti
Scales
Perceptions of Parents Scales (POPS)
The Perceptions of Parents Scales (POPS) assess children's and college students' perceptions of parental autonomy...
September 24, 2026
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Dr. Mohammed Looti
Scales
Perceptions of Parents Scales – College Student
An in-depth academic guide to the Perceptions of Parents Scales - College Student (POPS), detailing...
September 24, 2026
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Dr. Mohammed Looti
Scales
Perceptions of Parents Scales – The College-Student Scale(POPS)
A comprehensive psychometric guide to the Perceptions of Parents Scales - The College-Student Scale (POPS),...
September 24, 2026
•
Dr. Mohammed Looti
Scales
Locus of Causality for Exercise Scale (LCE)
The Locus of Causality for Exercise Scale (LCE) is a 3-item psychometric instrument grounded in...
September 23, 2026
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Dr. Mohammed Looti
Scales
The Self-Regulation Questionnaires
A psychometric review and complete scale items of the Friendship Self-Regulation Questionnaire (SRQ-F), developed within...
September 23, 2026
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Dr. Mohammed Looti
Scales
Relatedness (REL)
A comprehensive academic guide and psychometric analysis of the Relatedness (REL) Scale developed by La...
September 17, 2026
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Dr. Mohammed Looti
Scales
Competence (COM)
The Competence (COM) scale, developed by La Guardia, Ryan, Couchman, and Deci (2000), evaluates relationship-specific...
September 17, 2026
•
Dr. Mohammed Looti
Scales
Autonomy (AUT)
Comprehensive academic overview of the 5-item Autonomy (AUT) scale developed by La Guardia, Ryan, Couchman,...
September 17, 2026
•
Dr. Mohammed Looti
Experiments
The Self-Concordance Model Studies – Kennon Sheldon and Andrew Elliot
A comprehensive academic analysis of Kennon Sheldon and Andrew Elliot's Self-Concordance Model, examining goal striving,...
September 16, 2026
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Dr. Mohammed Looti