Activity Perception Questionnaire
The Activity Perception Questionnaire (APQ) is a 25-item psychometric instrument grounded in Self-Determination Theory that...
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Psychological Scales
6,993 results
Aspirations Index
The Aspirations Index (AI) is a foundational psychometric instrument developed by Tim Kasser and Richard...
September 24, 2026
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Dr. Mohammed Looti
Basic Psychological Needs Scales
The Basic Psychological Needs Scales (BPNS) assess the core psychological nutriments of autonomy, competence, and...
September 24, 2026
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Dr. Mohammed Looti
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
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Dr. Mohammed Looti
Subjective Vitality Scales
An in-depth academic examination of the Subjective Vitality Scales (SVS) by Ryan and Frederick, exploring...
September 24, 2026
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Dr. Mohammed Looti
The Problems in Schools Questionnaire (PIS)
A comprehensive academic analysis of the Problems in Schools Questionnaire (PIS), developed by Deci, Schwartz,...
September 24, 2026
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Dr. Mohammed Looti
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
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
Perceptions of Parents Scales – Child
A comprehensive psychometric overview of the Perceptions of Parents Scales - Child (POPS-Child), measuring children's...
September 24, 2026
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Dr. Mohammed Looti
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
Mindful Attention Awareness Scale MAAS
An in-depth academic examination of the Mindful Attention Awareness Scale (MAAS), detailing its psychometric properties,...
September 24, 2026
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Dr. Mohammed Looti
Motives for Physical Activity Measure – MPAM-r
The Motives for Physical Activity Measure – Revised (MPAM-R) is a 30-item psychometric instrument grounded...
September 24, 2026
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Dr. Mohammed Looti