Mental models play an important role in science education research. To extend the effectiveness of conceptual change research and to improve mental model identi?cation and diagnosis, the authors developed and tested the Web-Based Mental Models Diagnosis (WMMD) system. In this article, they describe their WMMD system, which goes beyond the…

Investigates the effects of Science-Technology-Society instruction on a group of Taiwanese female 10th grade students' cognitive structure outcomes. Examines the role of student scientific epistemological beliefs on such effects. (Author/SAH)

Explores the knowledge development of Taiwanese 5th grade students (N=28) of biological reproduction. Proposes three stages of knowledge acquisition based on the results of the study. (Contains 17 references.) (DDR)

The development and role of subject matter knowledge within teachers' professional development is currently the source of much research; however, the parallel development and role of pedagogical knowledge has yet to be systematically analyzed. In investigating this seldomly tapped area of concern, researchers involved 26 preservice science…

The main purpose of this study was to explore the effects of long-term constructivist-oriented science instruction on elementary school students' process of constructing cognitive structures. Furthermore, such effects on different science achievers were also investigated. The subjects of this study were 69 fifth graders in Taiwan, while they were…

The purpose of this study was primarily to explore the effects of constructivist-oriented instruction on fifth graders' cognitive structures about biological reproduction. Furthermore, such effects on different science achievers were also investigated. The subjects of this study were 69 eleven year olds in Taiwan, who were assigned to either a…