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Visualizing Historical Patterns in Large Educational Datasets
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Author(s): Tiago Martins (Instituto Superior Técnico / University of Lisbon, Lisbon, Portugal), Daniel Gonçalves (INESC-ID / Instituto Superior Técnico / University of Lisbon, Lisbon, Portugal)and Sandra Gama (INESC-ID / Instituto Superior Técnico / University of Lisbon, Lisbon, Portugal)
Copyright: 2018
Volume: 9
Issue: 1
Pages: 17
Source title:
International Journal of Creative Interfaces and Computer Graphics (IJCICG)
DOI: 10.4018/IJCICG.2018010103
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Abstract
With the increase in the number of students worldwide, it has become difficult for teachers to track their students or even for institutions themselves to identify anomalies in degrees and courses. The sheer amount of data makes such an analysis a daunting task. A possible solution to overcome this problem is the use of interactive information visualization. In this article, the authors developed a visualization that allows users to explore and analyze large datasets of academic performance data allowing the analysis and discovery of temporal evolution patterns for courses, degrees and professors. The authors applied the techniques to fourteen years of data for all students, courses, and degrees of a Portuguese engineering college. The system's usability and usefulness were tested, confirming its ability to allow analysts to efficiently and effectively understand patterns in the data.
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