Challenges the assumptions concerning the necessity of feedback in children's cognitive development. Suggests that during a certain and limited phase, cognitive development may occur due to cognitive restructuring. Discusses the implications of this for educational programs, especially computer assisted learning. (MJP)

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)