In this article, we present a dynamic systems approach to instructional systems design (ISD). The fourth generation of ISD represents the attempt to establish a system that can adapt to individual learning and performance problems/needs while also being able to continuously update itself. It is learning-theory-neutral and takes into account the…

Discusses a four-phase development model which was deliberately constructed to eliminate the boxes and arrows commonly used to illustrate how development works. A well organized development system would be too complex to diagram, and if it were diagrammed, no one could follow it. (Author/JEG)

Instructional task variables of analytical explanation and sequence were studied in two experiments to assess the systems approach proposition of efficiency and effectiveness in concept learning. The independent variable of analytical explanation consisted of two components: a procedure for focusing the subject's attention on the critical…