The authors drew upon Remillard and Bryans' categorization of curriculum use in observating two middle-grade teachers' integration of Standards-based curriculum materials produced by the National Council of Teachers of Mathematics. Each teacher participated in a two-year professional development program focused on increasing content knowledge and…

Drawing from a large efficacy study in upper elementary science, this report had three purposes: First to examine the quality of teachers' content-pedagogical knowledge in upper elementary science; second, to analyze the relationship between teacher knowledge and their assessment practice; and third, to study the relationship between teacher…

Given the current emphasis on conducting high-quality experimental studies, it is becoming increasingly important for researchers to accompany their studies with evaluations of the "fidelity of implementation" of the experimental treatments. This article compares the form and extent of an experimental treatment to student learning. The study…

This paper describes the background, methodology, preliminary findings, and anticipated future directions of a large-scale multi-year randomized field experiment addressing the efficacy of ST Math [Spatial-Temporal Math], a fully-developed math curriculum that uses interactive animated software. ST Math's unique approach minimizes the use of…