The What Works Clearinghouse (WWC) evaluates research studies that look at the effectiveness of education programs, products, practices, and policies, which the WWC calls "interventions." Many studies of education interventions make claims about impacts on students' outcomes. Some studies have designs that enable readers to make causal…

In this book the authors explain how to build, and over time improve, the elements of an observation system that equips all observers to identify and develop effective teaching. It is based on the collective knowledge of key partners in the Measures of Effective Teaching (MET) project--which carried out one of the largest-ever studies of classroom…

This technical assistance paper provides guidance to individuals with test administration responsibilities in adult education programs. These policies apply to the approved assessments that programs may use to report educational gains in compliance with the National Reporting System (NRS) requirements. The NRS is the accountability system for the…