Dynamic Evaluation Tree for Presenting Expression Evaluations Visually

Authors:
Essi Lahtinen;Tuukka Ahoniemi
Affiliations:
Department of Software Systems, Tampere University of Technology, Tampere, Finland;Department of Software Systems, Tampere University of Technology, Tampere, Finland
Venue:
Electronic Notes in Theoretical Computer Science (ENTCS)
Year:
2009

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Abstract

Novice programmers have difficulties with their visual attention strategies when following program visualizations. This article presents work in progress on improving the user interfaces of visualization tools to support students in the visual attention problems. We introduce a user interface solution called the dynamic evaluation tree. The basic idea is to reduce the amount of separate windows of the user interface and thus make it possible to concentrate the visual attention more in one part of the screen.