For hundreds of years verbal messages such as lectures and printed lessons have been the primary means of explaining ideas to learners. Although verbal learning offers a powerful tool, this book explores ways of going beyond the purely verbal. Recent advances in graphics technology and information technology have prompted new efforts to understand…

Instructional television is said not to have achieved its potential in primary grades because of five major problems, all related to lack of precise information about the communicative effectiveness of instructional presentations in appropriate time frames. The five problems cited and discussed are lack of adequate knowledge of primary children's…

This report reflects research and development on visualization and the use of multimedia carried out at the Department of Applied Education, Division of Instrumental Science and Technology of the University of Twente (Netherlands) and the Andersen Consulting Educational Computing Consortium, also at the University of Twente. The report contains 11…