This document discusses group dynamics and techniques for effective group decision making. It describes key concepts in group dynamics including formal vs informal groups, task vs social leadership roles, and influences of group size and composition. Techniques for structured group decision making are explored, such as brainstorming, nominal groups, Delphi groups, and dialectic decision methods. Potential benefits of group decisions are mentioned along with some weaknesses, including that meetings can be slow, expensive, and prone to "groupthink" where conformity overrides critical thinking.