DIAGRAMS '02 Proceedings of the Second International Conference on Diagrammatic Representation and Inference
Co-Ordination of Multiple External Representations during Java Program Debugging
HCC '02 Proceedings of the IEEE 2002 Symposia on Human Centric Computing Languages and Environments (HCC'02)
Effects of display blurring on the behavior of novices and experts during program debugging
CHI '05 Extended Abstracts on Human Factors in Computing Systems
An eye-tracking methodology for characterizing program comprehension processes
Proceedings of the 2006 symposium on Eye tracking research & applications
Impact of the visitor pattern on program comprehension and maintenance
ESEM '09 Proceedings of the 2009 3rd International Symposium on Empirical Software Engineering and Measurement
Low cost vs. high-end eye tracking for usability testing
CHI '11 Extended Abstracts on Human Factors in Computing Systems
Analysis of code reading to gain more insight in program comprehension
Proceedings of the 11th Koli Calling International Conference on Computing Education Research
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This paper reports on a study which compared two tools for tracking the focus of visual attention - a remote eye tracker and the Restricted Focus Viewer (RFV). The RFV tool blurs the stimuli in order to simulate human vision; the user controls the portion of the screen which is in focus with a computer mouse. Both tools were used by eighteen participants debugging three Java programs for ten minutes each. The results in terms of debugging accuracy and debugging behavior were compared using the restricting view condition of the RFV and a measuring tool as factors. The results show that while the debugging performance and the distribution of the time spent on areas of interest (AOI) are not influenced by the restricting view condition, the dynamics of programming behavior is different. The number of switches between the AOIs as measured by the RFV significantly differed from those measured by the eye tracker. Also the number of switches under the restricted and unrestricted RFV condition was significantly different. We maintain that the RFV must be used with caution to measure the switches of visual attention.