This book is intended for people who might become language teacher supervisors, as well as for those who already have supervisory responsibilities. It reviews literature on supervision in a variety of settings, including applied linguistics, business and industry, psychotherapy, general education, social work, and an emerging body of work in language teacher supervision itself. The majority of the literature cited here comes from North American contexts, but I have indicated those parts of the text that draw on research and practice from other regions.
Writing this book as a traditional literature review would be like using only the physics of motion and gravity to explain the art of Olympic pairs figure skating. Theory and research alone cannot capture the complicated dynamics of a masterly performance. Nor would a literature review about ice-skating greatly help inexperienced skaters with buckling ankles and unsteady balance increase their skills.