This document, 10th in a series of 11 subvolumes of a handbook providing training for educational research and development personnel in the development of instructional materials, deals with the task of evaluating instructional materials. The document is organized according to the three sequential steps involved in performing the task. Step 1 is…

The purpose of this paper is to outline elements that are critical for an effective analysis and revision of instructional units of a learning system. No attempt is made to present an exhaustive list of critical elements nor a list of elements that are necessarily mutually exclusive. The elements that are presented in the paper, although…