Designing the whyline: a debugging interface for asking questions about program behavior
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Journal of Visual Languages and Computing
Visual representations of executing programs
Journal of Visual Languages and Computing
Let's go to the whiteboard: how and why software developers use drawings
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
IEEE Transactions on Software Engineering
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The visualizations of the Whyline are presented, which focus on supporting the exploration a source code and how it executes. The visualization is concise, simple to navigate, and mimics syntactic features of its target programming language for consistency. Two studies showed that users with the visualization completed a debugging task twice as fast as users without the visualization, partly due to features of the visualization. Applications of the visualizations to tasks other than debugging are discussed.