Almost half of the US public rejects the idea that humans originated via evolution rather than by supernatural design. Moreover, studies demonstrate that even biology teachers have difficulty teaching their students about evolution, often including creationist explanations as well. A typical response to such findings is the argument that greater…

Comments on the article by Parker in this issue. Reviews Parker's discussion of imitation and circular reactions, and discusses the application of Darwin's ideas about evolution to the study of the development of individuals' awareness of the world and the mind. Considers the role of blind trial and error and of selection in evolution. (BC)

Elaborates some of the ideas of Baldwin and Piaget concerning the self-teaching functions of circular reactions, or self-induced repetition of particular schemes, and imitation. Argues that these functions are means for cognitive constructions. Discusses the evolution of imitation and circular reactions in primates. (BC)