This Brief Report presents an example of assessment validation using an argument-based approach. The instrument we developed is a Brief Assessment of Students' Mature Number Sense, which measures a central goal in mathematics education. We chose to develop this assessment to provide an efficient way to measure the effect of instructional practices…

This technical appendix provides additional information about the sample, data, and estimation strategy used for a series of American Educator Panels (AEP) Data Notes published by the RAND Corporation in 2019. The Data Note series is intended to provide brief but incisive analyses of teacher and school leader survey results that may be of…

This study looks deeply inside 17 schools that stand at the vanguard of the current revolution in teaching. This new National Center on Time & Learning (NCTL) report reveals the substantive ways in which these schools are providing their teachers with more time to reflect on, develop, and hone their craft, by very explicitly leveraging an…

The Common Planning Time Project of the Middle Level Education Research Special Interest Group (MLER SIG) of the American Educational Research Association provided an avenue through which researchers from throughout the United States could investigate numerous aspects of common planning time in schools. Although several studies have investigated…

The Knowledge Is Power Program (KIPP) is a rapidly expanding network of public charter schools whose mission is to improve the education of low-income children. As of the 2012-2013 school year, 125 KIPP schools are in operation in 20 different states and the District of Columbia (DC). Ultimately, KIPP's goal is to prepare students to enroll and…

We expect that word knowledge accumulates gradually. This article draws on earlier approaches to assessing depth, but focuses on one dimension: richness of semantic knowledge. We present results from a study in which three distinct item types were developed at three levels of depth: knowledge of common usage patterns, knowledge of broad topical…

This report provides a new resource for understanding the state of urban public schools in the U.S. Geared specifically toward city leaders who want to evaluate how well traditional district and charter schools are serving all their city's children and how their schools compare to those in other cities, the report measures outcomes for all public…

Although a growing body of research points to the critical need to foster reading, writing, speaking, and critical thinking skills for students in order to ensure their success in college, careers, and life, these efforts have tended to focus more on developing literacy skills in the early years, often ignoring secondary students. The outcome has…