The use of data to explain natural phenomena has been a core feature of science education, and science educators continue to call for an increased emphasis on teaching data practices. This mixed methods design-based research study adds to the growing body of research on data practices in science by explaining the learning trends of science…

Examining repeated classroom encounters over time provides a comprehensive picture of activities. Studies of instructional practices in classrooms have traditionally relied on two methods: classroom observations, which are expensive, and surveys, which are limited in scope and accuracy. Teacher logs provide a "real-time" method for…

The increased popularity of lesson study in the United States--an approach to professional development initiated in Japan more than a century ago--is due in large part to findings from the 1995 Trends in International Mathematics and Science Study (TIMSS) video study and the subsequent book, "The Teaching Gap" (Stigler and Hiebert 1999). "Lesson…

Words Work! is an approach to improving literacy outcomes for children through teacher development and parent engagement. In this article the authors describe the pilot phase of the project. The staff at Words Work! created an assessment system that aligns curriculum with assessment and collection of student data and teacher planning. Teachers use…