In machine-mediated learning environments, there is a need for more reliable methods of calculating the probability that a learner's response will be correct in future trials. A combination of domain-independent response-state measures of cognition along with two instructional variables for maximum predictive ability are demonstrated. (Author/LRW)

Discusses the application of spelling research findings to the design of computerized instructional spelling programs. The need for individualization is stressed; lesson size, content, and time devoted to instruction discussed; three cognitive models with appropriate instructional strategies for each are presented; and further research needs are…