This paper studies how four primary-school in-service teachers develop the mathematical practices of conjecturing and proving. From the consideration of professional development as the legitimate peripheral participation in communities of practice, these teachers' mathematical practices have been characterised by using a theoretical framework…

This study examines principals' experiences implementing Skillful Observation and Coaching Laboratory (SOCL), a program designed to help principals become effective instructional leaders. Guided by Karl Weick's notion of sensemaking, this study sought to identify the components of SOCL that were implemented with fidelity and discover the factors…