This document discusses key concepts in organizational behavior including: 1. The key forces affecting organizational behavior are people, structure, technology, and environment. 2. Fundamental concepts around the nature of people include individual differences, perception, motivation, and values. 3. There are four approaches to studying organizational behavior: human resources, contingency, results-oriented, and systems. 5. Models of organizational behavior include the autocratic, custodial, supportive, collegial, and system models which differ in their basis, orientations, and results.