Most theories of instruction rely on a model of the learner's internal processing system. In this article, three general models of the internal processing system involved in learning to solve problems will be outlined, and will be related to both external instructional procedures and learning outcome variables. (Author/DEP)

This 5-section report summarizes the results of a project concerned with how novices learn to become creative educational computer users. Based on a cognitive analysis of elementary programming statements in BASIC and calculator language into conceptual units, the project builds on previous research on learning BASIC programming. A general…

In Experiments 1A and 1B, students read a concise booklet containing 653 words and 6 illustrations describing the formation, propagation, and dispersion of ocean waves (concise group) or an expanded booklet containing 327 additional words and 5 additional illustrations describing relevant mathematical formulas and computations interspersed…