This essay begins by discussing the current cynicism regarding the usefulness of research-based strategies in the field of education. Using examples of high-quality research that utilizes diverse methodologies, a framework is presented for thinking about various types of research and their implications. (Contains references.) (Author/CR)

This paper reviews both the content and the methodological issues involved in the small but growing number of empirical studies on the use of Direct Instruction programs and teaching procedures with special populations. The research reviewed includes experimental and quasi-experimental work, summative evaluations of entire programs, and…