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Instinct Theory
William James -
Reinforcement Theory of Motivation
B. F. Skinner -
Hierarchy of Needs
Abraham Maslow -
Two-Factor Theory
Frederick Herzberg -
Hawthorne Effect
Henry A. Landsberger -
Acquired Needs Theory
David McClelland -
ERG Theory
Clayton Alderfer -
Three-Dimensional Theory of Attribution
Bernard Weiner -
Expectancy Value Theory
Jacquelynne Eccles -
Cognitive Evaluation Theory
Edward L. Deci and Richard Ryan