In this study, we investigated the pedagogical content knowledge (PCK) that physics graduate teaching assistants (TAs) developed in the context of teaching a new introductory physics curriculum, "Matter and Interactions" ("M&I"). "M&I" is an innovative introductory physics course that emphasizes a unified framework for understanding the world and…

The purpose of this study was to investigate changes in preservice teachers' understanding of the nature of science (NOS) as a result of four activity-based interventions that represent three instructional approaches used in a middle grades science methods course. Ten participants' understanding of NOS and their perceptions about the…

A particularly useful pedagogical strategy for beginning a dialogue with prospective teachers about the ways in which their experiences and beliefs shape their development of professional knowledge is writing impressionist tales. Impressionist tales are a form of autobiography that portrays one highly personal perspective on a significant moment…

Compares the way preservice elementary teachers build knowledge and beliefs to the way learners build science knowledge. Describes a reconceptualization of an elementary science methods course consistent with this assumption about science teaching. Contains 22 references. (DDR)