A coding tool for examining the substance of teacher professional learning and change with example cases from middle school science lesson study

Although lesson study is increasingly adopted in the United States (U.S.), the impact of lesson study on teacher learning is uncertain. This study presents a theoretically grounded set of codes to systematically document the various aspects of teacher learning and change (knowledge and beliefs, professional learning community, resources) in lesson study across contexts. To present examples of the codes in use, a subset of codes related to change in teacher knowledge and beliefs were applied to analyze teachers' professional discourse in three middle school science lesson study teams.