Despite the long history of the study of pedagogical content knowledge (PCK), two facts remain obvious. First, there are almost as many conceptions regarding the definition of PCK as there are researchers interested in it. Second, it is largely unclear which methods enable teacher educators to best prepare teacher candidates to use PCK. Recently,…

Teachers who conduct research in the context of their own teaching practices can contribute to knowledge about reform-based instruction. This article provides examples that illustrate research by elementary, middle school, high school, and college faculty as well as the use of data such as transcripts of discussion, reflective journals, and copies…