By providing sustained, embedded professional development over the course of a school year--as well as involving teachers in creating high-quality assessment tasks, implementing the assessments with students, and tying assessment directly to instruction--the authors increased the value that their teaching community places on mathematical…

This study examines the evidence for the effectiveness of professional development using a sample of ten elementary school teachers. These teachers were part of a larger intervention study that investigated the impact of a teaching model, Dynamic Pedagogy on student mathematics achievement. Positive results were obtained from the analysis of three…