In the age of big data, interactive data visualizations are becoming increasingly prevalent. The ability to focus on subsets of data is essential for exploring large temporal, geospatial, topical, and network datasets. In order to categorize all parts of data visualizations, various attempts have been made to build frameworks for how to interpret,…

This design case covers a graduate course in educational software design that focuses on semester-long projects in response to client requests. The course was intended to address the need for professionals across disciplines, such as instructional design, computer science, and human-computer interaction design, to usefully collaborate on…

This article describes an efficient peer evaluation process that can be implemented at the middle and high school levels, and that holds students accountable for their individual contributions in a team-based project. Teachers faced with this challenge will welcome the web-based peer-evaluation interface that was capable of soliciting student…

To access interactive systems, blind and visually impaired users can leverage their auditory senses by using non-speech sounds. The current structure of non-speech sounds, however, is geared toward conveying user interface operations (e.g., opening a file) rather than large theme-based information (e.g., a history passage) and, thus, is ill-suited…