Making Sense of Students’ Actions in an Open-Ended Virtual Laboratory Environment

Yakov Gal, Oriel Uzan, Robert Belford, Michael Karabinos, David Yaron

Research output: Contribution to journalArticlepeer-review


A process for analyzing log files collected from open-ended learning environments is developed and tested on a virtual lab problem involving reaction stoichiometry. The process utilizes a set of visualization tools that, by grouping student actions in a hierarchical manner, helps experts make sense of the linear list of student actions recorded in a raw log file. Such analysis of an initial set of log files is then used to develop a rule-based system that can automatically classify the problem-solving strategies being engaged in by the students. The strategies assigned by the resulting rule-based system compare well with strategy codes assigned by experts.
Original languageEnglish
Pages (from-to)610-616
Number of pages7
JournalJournal of Chemical Education
Issue number4
Publication statusPublished - 16 Feb 2015

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