Organizational behavior (OB) or organisational behaviour is "the study of human behavior in organizational settings, the interface between human behavior and the organization, and the organization itself". OB research can be categorized[by whom?] in at least three ways, including the study of:[page needed]
Chester Barnard recognized that individuals behave differently when acting in their organizational role than when acting separately from the organization. Organizational behavior researchers study the behavior of individuals primarily in their organizational roles. One of the main goals of organizational behavior is "to revitalize organizational theory and develop a better conceptualization of organizational life".