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Issue No.06 - June (2009 vol.21)
pp: 773-784
Gennaro Costagliola , Università di Salerno, Fisciano, Italy
Vittorio Fuccella , Università di Salerno, Fisciano, Italy
Massimiliano Giordano , Università di Salerno, Fisciano, Italy
Giuseppe Polese , Università di Salerno, Fisciano, Italy
ABSTRACT
We present an approach and a system to let tutors monitor several important aspects related to online tests, such as learner behavior and test quality. The approach includes the logging of important data related to learner interaction with the system during the execution of online tests and exploits data visualization to highlight information useful to let tutors review and improve the whole assessment process. We have focused on the discovery of behavioral patterns of learners and conceptual relationships among test items. Furthermore, we have led several experiments in our faculty in order to assess the whole approach. In particular, by analyzing the data visualization charts, we have detected several previously unknown test strategies used by the learners. Last, we have detected several correlations among questions, which gave us useful feedbacks on the test quality.
INDEX TERMS
Distance learning, data visualization, interactive data exploration and knowledge discovery.
CITATION
Gennaro Costagliola, Vittorio Fuccella, Massimiliano Giordano, Giuseppe Polese, "Monitoring Online Tests through Data Visualization", IEEE Transactions on Knowledge & Data Engineering, vol.21, no. 6, pp. 773-784, June 2009, doi:10.1109/TKDE.2008.133
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