This document provides an overview of organizational behavior and effectiveness from multiple perspectives. It defines organizational behavior as a field that studies how individuals, groups and structures influence behavior in organizations. It discusses why studying organizational behavior is important, such as satisfying needs to understand and predict behavior, gaining knowledge to work with others, influencing behaviors, and improving financial health. It then covers four perspectives on organizational effectiveness: stakeholder, high-performance work practices, organizational learning, and open systems. Key topics covered include intellectual capital, knowledge management, and high performance work practices.