Basic knowledge for successful teaching of German as a second language. Teachers of German as a second language are more successful when they possess a broad and well-connected knowledge in didactics and educational sciences. What exactly constitutes the basic knowledge needed to effectively design DaZ lessons? How can students (in regular classes or in specialized language support courses) be optimally encouraged and challenged? This book provides answers for the subject of DaZ, covering both primary and secondary education. Renowned scholars present didactic theories and concepts in a concise format. The book is aimed at teacher education students specializing in German as a second language, teachers in training, and educators seeking further education in DaZ didactics.