The "Scaling Teachers' Professional Development for ASSISTments: Evaluation Final Report" examines how a virtual professional learning community (vPLC) and immediate, elaborated feedback during independent math practice supported teachers in enhancing formative assessment practices, fostering sustained collaboration, and improving…

Data-based decision making (DBDM) is presumed to improve student performance in elementary schools in all subjects. The majority of studies in which DBDM effects have been evaluated have focused on mathematics. A hierarchical multiple single-subject design was used to measure effects of a 2-year training, in which entire school teams learned how…