Describes a microcomputer-based simulation developed to provide elementary teachers-in-training with experiences in realistic instructional interactions with computer-defined students prior to actual classroom encounters. The system's hardware and functional operation are discussed; components of the program's interactional cycles are described;…

Describes and evaluates costs of hardware, software, training, and maintenance for computer assisted instruction (CAI) as they relate to total system cost. An example of an educational system provides an illustration of CAI cost analysis. Future developments, cost effectiveness, affordability, and applications in public and private environments…