Attempts to express a group of children's understanding of inversion, retrograde, and retrograde-inversion as it applies to musical composition and color schemes. The children, ages six to nine, displayed idiosyncratic approaches to the problems. Discusses the possible implications for symbolic language and cognitive development. (MJP)

Presents a learning model for science education and describes teacher interventions derived from the model to produce cognitive restructuring. Demonstrates how teacher interventions may be developed through a series of interventions, related activities, and comments. (MDH)