Compares hypertext with instructional design and development principles and processes. Theoretical foundations for hypertext are discussed, including knowledge acquisition, schema theory, and active structural networks; mapping instructional designs onto hypertext is explained; and hypertext systems are described both as instructional design…

Discussion of instructional systems development (ISD) focuses on recent developments in cognitive task analysis and describes the Integrated Task Analysis Model, a framework for integrating cognitive and behavioral task analysis methods within the ISD model. Three components of expertise are analyzed: skills, knowledge, and mental models. (96…

Addresses the problem of outdated, incomplete, or inaccurate subject matter used as the basis for instruction in developing countries, noting that distance education is especially vulnerable. A content evaluation procedure to be incorporated into instructional design models and other strategies for avoiding invalid content are suggested. (MES)

Discussion of educational opportunities in Third World countries focuses on textbook development projects financed by international organizations, including the World Bank. It is concluded that instructional systems development elements are needed in textbook development projects to improve both the quality of textbooks and inservice teacher…