Presents a model to analyze conceptual evolution in the classroom, based on the notion of conceptual profile. Suggests that it is possible to use different ways of thinking in different domains, a new concept does not necessarily replace previous ideas, and learning science is to change a conceptual profile and become conscious of different zones…

Discusses the various conflicting trends in mechanics education that have appeared over the past two decades, especially as related to conceptual change teaching and learning. Proposes the theory of schemata as a means to resolve the conflict that exists within the literature. Contains 82 references. (Author/WRM)