Discusses alterable elements of classroom organization, traditional approaches to instructional improvement, and "component building," an alternative approach to education. The component-building approach involves an extensive program of field experimental research on classroom practices that are or could become components of complete…

Component-building research on practical issues of instructional design can make a substantial contribution to research-based school improvement. Component-building research consists of rigorous within-school experiments that test various components of instruction for effects on student achievement. Research would address practical issues that…