How to program a domain independent tracer for explanations

Research output: Contribution to journalArticlepeer-review


Explanations are essential in the teaching process. Tracers are one possibility to provide students with explanations in an intelligent tutoring system. Their development can be divided into four steps: (a) the definition of the trace model, (b) the extraction of the information from this model, (c) the analysis and abstraction of the extracted information, and (d) the visualization of the result of the analysis. This article describes the architecture of a domain independent tracer developed in Visual Prolog displaying explanations in the form of a textual dialog or a graphical tree.
Original languageEnglish
Pages (from-to)57-69
Number of pages13
JournalJournal of Interactive Learning Research
Issue number1
Publication statusPublished - 2006


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