The authors state that multiple regression is a powerful method of statistical analysis, provides a strength of relationship index, and should replace analysis of variance (ANOVA) in educational research. They also discuss the coding of categorical variables and available computer programs for multiple regression. (Author/MH)

A clearly defined and formal method for comparative analysis and evaluation of computer author languages would permit the worker in computer-based instruction to select a language by its effectiveness for the task rather than its easy availability. Such a comparative framework is put forward in this study. The report identifies the useful features…

As a first step in a systematic approach to instructional design, an attempt is made to develop public linguistic systems which would permit a designer to communicate with his colleagues. Abstracting general principles of design from fields other than education, an organized body of instructional design concepts emerges. These concepts are then…