Radical constructivists advocate discovery-based pedagogical regimes that enable students to incrementally and continuously adapt their cognitive structures to the instrumented cultural environment. Some sociocultural theorists, however, maintain that learning implies discontinuity in conceptual development, because novices must appropriate expert…

Critical thinking alone is reactive, in that it lacks the creative elements necessary for social progress. Accordingly, the author has developed the CoRT (Cognitive Research Trust) program to teach the two aspects of perception: breadth (developing a perceptual map) and change (using the map to discover solutions). (TE)