Theories
Relationships Motivation Theory – Richard M. Ryan & Edward L. Deci
A comprehensive academic analysis of Relationships Motivation Theory by Ryan and Deci, exploring need fulfillment,...
Self-Determination Theory
29 results
Scales
Basic Psychological Needs Scale (BPNS)
An in-depth academic psychometric review of the Basic Psychological Needs Scale (BPNS), evaluating its theoretical...
September 6, 2026
•
Dr. Mohammed Looti
Theories
Causality Orientations Theory – Edward L. Deci & Richard M. Ryan
An exhaustive academic treatise examining Causality Orientations Theory by Edward L. Deci and Richard M....
September 5, 2026
•
Dr. Mohammed Looti
Theories
Basic Psychological Needs Theory – Edward L. Deci & Richard M. Ryan
A definitive academic exploration of Basic Psychological Needs Theory by Edward L. Deci and Richard...
September 5, 2026
•
Dr. Mohammed Looti
Scales
Basic Psychological Needs Scale for Korean Adolescents
The Basic Psychological Needs Scale for Korean Adolescents (Lee & Kim, 2008) is an 18-item...
September 5, 2026
•
Dr. Mohammed Looti