This paper reports on a study that examines how a school teacher, a university researcher, and a professional textbook writer interact when they collaborate in designing materials for English language teaching. Data were collected from interviews with the participants and audio recordings of their interaction in collaborative design supplemented…

Despite coverage of materials development principles in the applied linguistics literature, principled production of open textbooks has not received attention. To address this gap and demonstrate the interdisciplinary potential of materials development research, the authors drew upon concurrent verbalization and interview data they collected while…