A broad range of well-structured problems--embracing forms of diagnosis, catalog selection, and skeletal planning--are solved in expert computer systems by the method of heuristic classification. These programs have a characteristic inference structure that systematically relates data to a pre-enumerated set of solutions by abstraction, heuristic…

Discusses programs to provide a knowledge base and use the knowledge in a mode of artificial intelligence. Indicates that two methods of database storage are possible and opts to use a method using many data files while using a small RAM capacity. Lists several programs. (MVL)

Discusses the claims that experiences in computer programming enhance performance on conditional reasoning tasks. Describes three experimental studies designed to address that hypothesis using three different populations of students. Results of all three studies indicate nonsignificant treatment effects. (TW)