This report presents an overview of the history, collective learning, and concluding products of a networked improvement community (NIC) that operated and evolved between 2017 and 2021: the Student-Centered Assessment Network (SCAN). SCAN comprised a group of teachers from three Rhode Island high schools; a coordinating team of researchers,…

We raise concerns about the current state of research and development in formative assessment, specifically to argue that in its concentration on "strategies for the teacher", the literature overlooks the "disciplinary substance" of what teachers and students assess. Our argument requires analysis of specific instances in the literature, and so we…

This article presents the authors' response to the commentaries on their article. They focus on two important issues raised by most of the reviewers: (a) the curricular dependence of the proposed learning progression and the daunting (twin) challenges of bringing about changes in curriculum and assessment and consolidating and validating the…

Building and evaluating artifacts specifically for K-12 education, technologists committed to design sciences are needed along with an approach to evaluation increasing the systemic transfer from research and development into school settings. The authors describe THE VIRTUAL LAB scanning electronic microscope simulation, including (a) its…