This paper presents a model of how children generate concrete concepts from perception through processes of differentiation and integration. The model informs the design of a novel methodology ("evolutionary maps" or "emaps"), whose implementation on certain domains unfolds the web of itineraries that children may follow in the…

Suggests that misconceptions about natural selection arise from mistaken categorization. Proposes that students often fail to understand the ontological features of equilibrium processes. Contains 32 references. (DDR)

Describes a theory of learning in which the brain is seen as a Darwinian machine. Argues that the generative heuristic underlying Darwinism offers considerable value for technology and science education. Contains 33 references. (Author/WRM)