Lesson Study is rapidly becoming one of the most adopted models of teacher professional development worldwide. In this paper, we examine the teachers' discussions that are an integral part of the Lesson Study research cycle. In particular, we investigate the "dialogic mechanisms" that enable teachers' pedagogical intentions to be…

Background/Context: This article describes how we refined an innovative methodology for equitable collaboration between university researchers and classroom practitioners building and refining theory together. The work builds on other coinquiry models in which complementary professional expertise is respected and deliberately exploited in order to…