Summarizes a discussion by the authors of this special issue that took place after the five instructional designers created lesson plans for the same design task. Highlights include the specified content's convergent effect on the designs; design philosophies; things that surprised the designers; and their favorable responses. (AEF)

Describes the objective behind this special issue: to identify a science content area (physics for eighth to eleventh graders), work with science teachers to produce a set of content materials, and present a common content outline to a group of instructional designers. The first article describes the derivation of the content outline. The next…