Open-ended learning environments (OELEs) like microworlds have been touted as one approach for blending learning theory and emerging technology to support the building of student-centered understanding. The learning process involves developing a theory-in-action--an intuitive theory that is generated and changed by learners as they reflect upon…

Describes a study that investigated whether second grade students internalized content and concepts embedded in a science computer simulation as opposed to treating it as a game to be played. Discusses cognitive outcomes and processes, thinking skills, use of scientific language, transfer to other contexts, and partner and gender considerations.…

Addresses concerns related to how educational software can be designed to accommodate a constructivist approach to learning. Describes features of software which are consistent with a constructivist view and cites examples of physics materials which are appropriate. (ML)