This paper describes one of the first efforts by the National Assessment of Educational Progress (NAEP) to improve measurement at the lower end of the distribution, including measurement for students with disabilities (SD) and English language learners (ELLs). One way to improve measurement at the lower end is to introduce one or more…

In early 2001, to support an internal evaluation of the impact of changing exclusion rates on reports of statistically significant gains across states, the National Center for Education Statistics (NCES) sponsored research on imputation procedures of National Assessment of Educational Progress (NAEP) scores for the excluded students and provided…

Introduction: For decades, prior to the inception of the Common Core State Standards (CCSS), the National Assessment of Educational Progress (NAEP) was the only vehicle through which states could assess the progress of their students using a common metric. Now, 45 states, 4 U.S. territories, and the District of Columbia have adopted the CCSS to…

"Learning progressions" are one of the most important assessment design ideas to be introduced in the past decade. In the United States, several committees of the National Research Council (NRC) have argued for the use of learning progressions as a means to foster both deeper mastery of subject-matter content and higher level reasoning…

The HOPE Foundation (HOPE) commissioned the American Institutes for Research (AIR) to conduct an exploratory study of the implementation and impact of the Courageous Leadership Academy (CLA). In this report, the authors introduce the school reform model, describe the study methodology, present findings for each of the three research questions…

This study is a validity study of the National Assessment of Educational Progress (NAEP), intended to test the adequacy of NAEP for detecting and monitoring the effects of mathematics education reform. The current study design was intended to support a comparison of the relative effectiveness of three different types of large-scale…

Children and youth require safe and supportive schools and communities if they are to succeed in school and thrive. These needs are particularly great for children who struggle with the impacts of chronic poverty, lead poisoning and lead effect, community and media violence, drugs and alcohol, trauma and loss. There are many such students in…

The National Longitudinal Evaluation of Comprehensive School Reform (NLECSR) is a quantitative and qualitative study of behavior, decisions, processes, and outcomes. It employs a quasi-experimental design with matched treatment and comparison schools. NLECSR seeks to determine the effects of CSR models on student achievement in about 650…