Argues that science may be presented as a continuing effort to improve existing knowledge. Analyzes a three-month discourse by sixth graders, showing that the basic commitments enabling scientific progress can be realized in elementary schools. Suggests that people need to be able to move freely between scientific and other modes of thought to be…

An overview is presented of the epistemology of the three types of constructivism. Criticized is another interpretation of constructivism; it is stated that this interpretation is trivial, cognitively abridged, and disrespectful of students' capacities, creativity, and imagination. Constructivism has to go beyond saying that knowledge is…