Discusses different preinstructional and instructional variables over which teachers have some control and which may affect learning, including content choice, wait time, time on task, form of instruction, success rate, monitoring, questioning, and orientation to academics. (DC)

This paper presents one researcher's premise that the most important variable in determining classroom effectiveness is the congruence of the delivered curriculum with the desired outcomes or, that students be given the opportunity to learn what is expected of them. This theory presupposes that curriculum expectations be made clear to students,…