This document provides an overview of key concepts in organizational behavior. It discusses what organizational behavior is and why it is important, how we learn about it, what organizations are like as work settings, the nature of managerial work, and how ethics influence behavior in organizations. Specifically, it covers dimensions of individual and group behavior in organizations, shifting workplace paradigms, the importance of diversity and learning, scientific foundations, purposes and resources of organizations, managerial roles and skills, and ethical dilemmas in the workplace.