Describes changes in the instructional designer's role with the development of intelligent computer assisted instruction (ICAI). A shift in decision-making from the design to the implementation phase of instruction is emphasized, as the designer writes rules that allow systems to select methods once instruction has begun. Seventy-nine references…

Presents a theoretical rationale for the idea that computer programs simulating written conversation, and using natural language, could be effective in language teaching and remediation, and reports empirical studies of its potential. Studies with 10- to 14-year-old language-impaired children are described, software is explained, and future…