The discipline of software engineering can be extended in a natural way to deal with the issues raised by a systematic approach to the design of human-machine interfaces. The user should be treated as part of the system being designed and projects should be organized to take into account the current lack of a priori knowledge of user interface…

Two LOGO dialects are compared for appropriateness for use with second, third, and fourth grade students on the basis of 18 months of experience with teaching LOGO programing language at this level in a four-machine laboratory setting. Benefits and drawbacks of the dialects are evaluated in the areas of editing. screen modes, debugging,…

Issues connected with knowledge acquisition through the development of complex computer programs--Intelligent Tutoring Systems (ITSs)--are discussed. The components of such a system and its applications are considered, including: elicitation of knowledge, tutoring with incomplete/uncertain knowledge, self-improving tutoring systems, and…