This design case describes design decisions and their impacts during three redesigns of an educational game called the "Rocks and Minerals Challenge." This game was developed as a laboratory supplement for the rocks and minerals component of a university-based geology course. The game has evolved through three distinct design phases:…

The objective of this design case was to describe the development of an online graph-oriented tool to support the representation of collaborative argumentation for middle school students from a faculty expert's perspective and discuss the processes that were instrumental in developing the tool. Supported by the professional staff in the Digital…

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…