Lesson study, especially when conducted with support from targeted resources, is often identified as a potentially effective means to support teacher learning. In this study, 80 school-based teams of educators, representing 80 classrooms of third- or fourth-grade students in the US, were randomly assigned to one of four conditions: lesson study…

There is a dearth of empirical research on the efficacy of integrated teacher professional development (PD) models, ones that synthesize both online learning and face-to-face teacher PD experiences and interactions. The purpose of this explanatory mixed-methods study was to determine how teachers perceived an integrated PD experience that…