This text, now in its fourth edition, provides an understanding of the diversity and use of models used to portray the instructional development (ID) process, while reflecting the many changes in the field that have occurred since publication of the last edition in 1997. Beginning with the belief that an ID model should be selected based on the…

This paper, which updates and expands on a paper by Twelker and others that identified and described five instructional development (ID) models, presents a taxonomy for classifying ID models, comments on the limited degree of testing to which most ID models have been subjected, reviews 13 models, and provides a selected, annotated bibliography of…

Based on the findings of a content analysis of representative literature on educational technology, this report examines the trends and issues in the field, beginning in 1988 and continuing into 1989. It is noted that trend analysis, particularly year-to-year analysis which reveals less variability than decade-to-decade analysis, reveals topics of…

Twelve state-of-the-art articles discuss current developments educational media and technology. Topics examined include research, information technology, networking, and telecommunications. Four articles are also published as ERIC Digests. All of the articles contain references. (SLW)