Educators' work is a key element in museums' learning experience, yet knowledge about their professional development is still limited. In this study, we followed three science museum educators' professional growth during collaboration with researchers, with special focus on the introduction of research-based frameworks in their practice. To…

This longitudinal study explored change in teachers' knowledge of subjects they teach from preservice training through 17 years of professional experience. It followed secondary school science teachers in Australia, through sequences of individual interviews in which change in content knowledge (mainly energy-related) was probed primarily via…

Introduces the ideas of "distal" knowledge of the nature of science and "proximal" knowledge of the nature of science. Suggests that viewing these two kinds of knowledge structures within modern information processing frameworks that delineate roles of epistemological and metacognitive knowledge in learning should guide future research. (Contains…