Describes a way of classifying and measuring the representation of the physical world and the use of metaphor in textbook illustration which is based on information content. It can be used to provide data to help in assessing the value of textbook illustrations and compare their illustrative styles. (Author/MBR)

Describes types of learning and organizational strategies and suggests that pattern noting--a technique to organize information in a relational manner showing linkages between topics--is a powerful organizational strategy. An algorithmic procedure for semantically analyzing pattern notes and various pattern note applications are described.…