This document, eighth in a series of 11 subvolumes of a handbook prepared to provide training for educational research and development personnel in the development of instructional materials, deals with the task of planning accommodation of individual differences. The document is organized according to the two sequential steps involved in…

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…