The research reported in this paper concerns the design of instructional materials that represent the content structure of a science discipline and the development of methods of probing and representing the knowledge structure in a student's memory. The science discipline selected for the study was geology. Specifically, the conceptual structures…

Reports that teachers of the Crustal Evolution Education Project (CEEP) exhibit most of the characteristics typical of earth science teachers. However, their backgrounds in geology are superior to those of most earth science teachers. CEEP students tend to be academically above average. (Author/MA)