This paper, which updates and expands on the first edition (1981), begins by presenting a definition of instructional development (ID) and a discussion of its origins. A taxonomy for classifying ID models is then suggested, and it is noted that most ID models have been subjected to only a limited degree of testing. The 12 ID models that are…

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…

This ERIC (Educational Resources Information Center) monograph updates and expands upon earlier ERIC publications on the topic of instructional development (ID) models. This monograph presents a brief history of ID models, describes a taxonomy for classifying them, provides examples from each of the categories in the taxonomy, and describes trends…