The purpose of this study is to explore elementary educators' perceptions regarding what it means to conceptually understand mathematics, the emphasis teachers place on utilizing evidence-based teaching processes, as identified as effective by National Council of Teachers of Mathematics (NCTM), and how these perceptions influence their…

This three-article dissertation considers the pedagogical practices for developing statistically literate students and teaching data-driven decision-making with the goal of preparing students for civic engagement and improving student achievement. The first article discusses a critical review of the literature on data-driven decision-making…

This qualitative case study examines the professional development practice of Lesson Study as a vehicle for teacher learning. Through observing the participation and analyzing interviews of a group of United States middle school mathematics educators as they engaged in Lesson Study, this study examines teachers' learning with respect to (a)…

The purpose of this qualitative case study was to determine the effect of lesson study on teachers' mathematical understanding. This study reviewed a three year program called SEISMIC which implemented lesson study within a school district. The goal was to increase teacher and student understanding of mathematics' Teacher understanding of…

It is a common knowledge that student achievement is a product of multiple individual and environmental factors. The literature developed various models to organize and explain the relationship between some of these variables and student learning which translates into student achievement. Yet, no comprehensive model is able to capture all possible…

International assessments such as the Trends in International Mathematics and Science Study (TIMSS) and Program for International Student Assessment (PISA) have exhibited United States students specifically in the fourth and eighth grades, are not performing well when compared to their international peers. Educational stakeholders including…

This study was designed with the overall goal of understanding how difficulties in reading comprehension are associated with early adolescents' performance in large-scale assessments in subject domains including science and civic-related social studies. The current study extended previous research by taking a cognition-centered approach based on…

This study investigates the use of Lesson Study in three U.S. schools. Lesson Study is part of the culture of teaching in Japanese K-8 schools. Researchers in the United States brought the practice of Lesson Study ("jugyokenkyo" in Japanese) to light in the late 1990's while investigating reasons for differences in the performance of…