Theorists
Edward Deci – 1942 Present
A comprehensive academic analysis of Edward L. Deci's life, landmark psychological research, and the foundational...
# Cognitive Evaluation Theory
6 results
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
Experiments
The Intrinsic vs. Extrinsic Motivation Experiment (Soma Cubes) – Edward Deci
A comprehensive academic analysis of Edward Deci's 1971 Soma puzzle cube experiments, examining intrinsic motivation,...
September 17, 2026
•
Dr. Mohammed Looti
Theories
Overjustification Effect Model – Edward L. Deci & Mark R. Lepper
A comprehensive academic analysis of the Overjustification Effect Model by Edward L. Deci and Mark...
September 11, 2026
•
Dr. Mohammed Looti
Theories
Cognitive Evaluation Theory – Edward L. Deci & Richard M. Ryan
A comprehensive academic analysis of Cognitive Evaluation Theory by Edward L. Deci and Richard M....
September 5, 2026
•
Dr. Mohammed Looti