Begins by discussing what interactive multimedia (IMM) is, why it is used, and how it should be evaluated. A pragmatic approach to evaluation is advocated, and a framework for formative evaluation is proposed, which focuses on formative experimentation. The educational goals of IMM technology and methods of formative experimentation are detailed.…

Discusses the need for developmental testing of instructional materials and gives two examples of single-subject testing, one for self-instructional materials and one for short-term group instruction. Guidelines for single-subject testing are presented, and suggestions for longer courses are also given. (LRW)