This commentary on Edwin Ellis' model of integrative strategy instruction for use with students with learning disabilities argues the need for systematic investigations of the multiple facets of the program. The ISI model is examined in terms of the eight principles of strategy instruction outlined by H.L. Swanson. (JDD)

In response to a previous article, the paper argues that effective instruction of the learning disabled is most likely to develop from systematic theoretically based research though instructional studies can contribute to theory development. Research in many other areas is necessary to develop the powerful teaching methods required. (DB)