Abstract
While reading educators repeatedly call for individualized instruction, little thought seems to have been directed at questions of how one determines which instructional treatment is best for whom. The author argues that the Trait by Treatment Interaction model, now primarily used as a research design, offers an effective scheme through which instructional decision makers can collect and evaluate data on the relative effectiveness of alternative forms of reading instruction for individuals of differing predispositions. Further, an example of the types of questions that might be asked is provided.
