Purpose: This study explored how teachers change, what teachers learn and how they learn during the implementation of project-based learning through lesson study. Design/methodology/approach: In this study, three university researchers, one doctoral student and six mathematics school teachers formed a lesson study team. Using a qualitative…

Professional vision is a key ability in the professional development of pre- and in-service teachers as it determines how professionals perceive and interpret situations. The aim of this study was to conceptualize an instrument for professional vision focusing on formative assessment in the context of scientific inquiry. This focus is highly…

This longitudinal qualitative study investigated the impact on teacher participants of using a unique laboratory approach to professional development: the Team Teaching and Learning (TTL) framework, which integrates five traits from Garet, Porter, Desimone, Birman, and Yoon's (2001) empirical research on teacher professional learning, including…

Pre-college engineering education has gained traction in U.S. schools over the past twenty years. This growth is evident with engineering emerging as a crosscutting discipline in the Next Generation Science Standards. However, the scarcity of professional development (PD) for K-12 teachers who want to teach engineering and the few PD opportunities…