A computer program named BUGGY is described. The program is designed to duplicate "traditional" student mathematical mistakes; pupils are to identify the nature of the errors the computer makes. (MP)

An instructional management program was developed to assist students in selecting learning activities. The program was based on a general model for specifying hierarchical curriculum structure. This model was developed using the directed graph, a mathematical form of a structural model. A hierarchy could then be generated from the curriculum…

A study was conducted to develop competency-based curriculum materials and a computer-based analysis system for farm business records to assist local vocational agriculture teachers of adult/young farmers in their group and individualized instructional programs. A list of thirty-five competencies in financial management were validated using…