“…This is an important factor in student learning (Wang, Haertel, & Walberg, 1993), involving much more than managing student behaviour, but also managing teaching assistants, relations with external experts, and the increasing amounts of technology. In constructivist approaches (Brown & Palincsar, 1989;Goodman & Goodman, 1990) the aim is for students to become autonomous or self-directed learners, free to take risks, assess their own progress and develop the insight necessary to improve their own learning. Teachers therefore need to act in a state of dynamic equilibrium, balancing curriculum structure and open-ended learning, and shifting in response to learners' management skills and their own willingness to relinquish control.…”