Define "Understanding Behavior", discuss any two types of human behavior? Definition of Understanding Behavior Paul Hersey, Kenneth H. Blanchard and Dewey E. Johnson (2002) have emphasized that: "Understanding past behavior is important in itself for developing human skills, and it also provides a framework for the next level of expertise- predicting behavior. Understanding why people did what they yesterday enables a supervisor to predict how they are likely to behave tomorrow, next week, and next month under similar as well as changing environmental conditions