This document discusses action research and its key features. It begins with a small story of teachers sharing classroom experiences. It then discusses Kurt Lewin's advocacy for action research in 1946 and its cyclical, iterative approach. The key features of action research are discussed, including its close relationship to action and knowledge acquisition, its collaborative nature, and its cycle of planning, acting, observing and reflecting. Types of action research and its characteristics are also outlined. Throughout, the document provides examples and explanations of action research in an educational context.