This article illustrates the effects of embedding a common language derived from research, conducted through Project Zero at the Harvard Graduate School of Education, into teachers' documentations of classroom experiences. It suggests that documentation can be enhanced by using shared professional vocabularies that describe categories important in…

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,…