This document discusses team dynamics and effectiveness. It begins by defining teams and distinguishing them from groups. It outlines a model of team effectiveness that is influenced by environmental elements, design factors, and processes. Team design factors include task characteristics, size, and composition. Teams go through five stages of development and are shaped by norms. Cohesiveness is influenced by similarity, interaction, size, success, and challenges. While teams can be effective, there are also limitations like social loafing. Companies use various types of team building to improve dynamics.