Data visualization is the term used to describe the methods and technologies used to allow the exploration and communication of quantitative information graphically. Data visualization is a rapidly growing and evolving discipline, and visualizations are widely used to cover politics. Yet, while popular and scholarly publications widely use…

In this article, we present analyses from a researcher-practitioner partnership in the District of Columbia Public Schools, where we are exploring the impact of educational software on students' academic achievement. We analyze a unique data set that combines student-level information from the district with data of student usage of a mathematics…

The Center for Instructional Technology and Training was created by the Washington, DC, public schools in 1983 to provide inservice technology training free of charge to teachers, administrators, and clerical and building staff. The development of the successful program is described and sidebars report what teachers and principals say about it and…