This article reports on a design-based research study centered on the conception and the assessment of the "Pyrates" application. This online serious game aims at introducing Python programming to K-12 students while easing the transition from block-based to text-based languages. After we present the various aspects underlying the…

This article explores the major design characteristics (both pedagogic as well as technical) that helped to shape Alice 2. It identifies several strengths of Alice as well as several weaknesses. An example problem is solved in Alice, covering many of the design characteristics. Finally, the effects and impacts of Alice instruction are presented,…

PatternCoder is a software tool to aid student understanding of class associations. It has a wizard-based interface which allows students to select an appropriate binary class association or design pattern for a given problem. Java code is then generated which allows students to explore the way in which the class associations are implemented in a…

Using animated visualization tools has been an important teaching approach in computer science education. We have developed three visualization and animation tools that demonstrate various information security concepts and actively engage learners. The information security concepts illustrated include: packet sniffer and related computer network…