A review of 913 studies involving students with learning disabilities found treatment outcomes were significantly affected by the following violations: teacher effects, establishing criterion levels of instructional performance, reliance on experimental measures, using different pretest and posttest measures, using a sample heterogeneous in age,…

Synthesizes findings from 36 studies that validated the Dunn and Dunn Model of Learning-Style Preferences. Questions are raised regarding the validity of the model, the nature of the literature base, the interpretation of the meta-analytic findings, and the conclusions. The article concludes that the model has not been adequately validated.…

Presents the author's perspective on the topic of educational intervention for students with learning disabilities through a discussion of using validated, curriculum-based measurement as a determinant of effective instruction. Also examines the optimal characteristics and ethics of intervention research and the dissemination and implementation of…