Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2010.Cataloged from PDF version of thesis.Includes bibliographical references (p. 65-66).This thesis introduces ScratchStats, an extension to the Scratch website where users can view and understand Scratch usage data through a series of interactive visualizations. Scratch is a visual programming language that makes it easy to create interactive stories, games, and artwork. Accompanying the Scratch application is the Scratch Online Community, a website that allows users to upload and share their creations. The visualizations created in this thesis describe community, personal, and network statistics. ScratchStats aims to provide answers to questions about Scratch usage, promote reflection and introspective learning, and aid in teaching data literacy.by Rita Chen.M.Eng.