Rowan, B. (2002). Teachers’ work and instructional management, part I: Alternative views of the task of teaching. In W.K. Hoy and C.G. Miskel (eds.), Theory and Research in Educational Administration, Volume 1, pp.129-149. Greenwich, CT: Information Age Publishing, 2002.
Task variety refers to the range of instructional activities that teachers engage in as they teach in classrooms. Task uncertainty refers to the extent to which teachers have access to a systematic body of knowledge to guide this work.