Murnighan's Definitional Model of Human Behavior is described as having the following structure: 1) Definition: Motivation strategies and behavior are defined. 2) Motivation: Motivation is examined. 3) Strategies: Strategies are considered. 4) Behavior: Behavior is analyzed. The document presents Professor Tirupati Misra's summary of Murnighan's Definitional Model of Human Behavior, which structures the analysis of human behavior around definition, motivation, strategies, and behavior.