Although teacher educators have successfully helped K-12 teachers' develop adequate views of NOS, their views have not been transferred to their students. It is evident that K-12 students' understanding of NOS still does not align with the recommendation of the reforms document, indicating that holding an adequate view of NOS is…

This article describes some of the underlying conceptualizations that have gone into the work of the BEAR Center in the development of learning progressions. The core of all of these developments has been the construct map, which is the first building block in the BEAR Assessment System (BAS). After introducing the concept of a learning…

This document is comprised of twelve consecutive issues (1995-1998) of a newsletter published quarterly to provide information on current research and practice to early childhood professionals teaching in the primary grades in Colorado, Iowa, Nebraska, Missouri, and Montana. The Winter 1995 issue focuses on necessary conditions for math/science…