NDLI: A probabilistic relational student model for virtual laboratories

Content Provider	IEEE Xplore Digital Library
Author	Noguez, J. Sucar, L.E.
Copyright Year	2005
Description	Author affiliation: Dept. de Ciencias Computacionales, Tecnologico de Monterrey, Tlalpan, Mexico (Noguez, J.)
Abstract	We have developed an intelligent tutoring system coupled with a virtual laboratory, which constitute a semi-open learning environment. This environment provides the student with the opportunity to learn through exploration within a virtual laboratory, while achieving the expected learning objectives. The key element of this environment is a novel representation for the student model based on probabilistic relational models. This student model has several advantages: flexibility, user adaptability, high modularity and facilities for model construction for different scenarios. The model keeps track of the students' knowledge at different levels of granularity, combining the performance and exploration behavior in several experiments, to decide the best way to guide the student in following experiments, and to re-categorize the students based on the results. We have implemented a tutor for a virtual robotics laboratory, and evaluated the system with an initial group of 20 students. The results show that students who explore the virtual environment with the help of the tutor have a better academic skills, and also that the predictions of the student model are generally accurate.
Sponsorship	Sociedad Mexicana de Ciencia de la Computacion (Mexican Comput. Sci. Soc.)
Starting Page	2
Ending Page	9
File Size	712136
Page Count	8
File Format	PDF
ISBN	0769524540
ISSN	15504069
DOI	10.1109/ENC.2005.7
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-09-26
Publisher Place	Mexico
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Laboratories Power system modeling Intelligent systems Robot sensing systems Mobile robots Buildings Intelligent sensors Intelligent robots Modular construction Virtual environment
Content Type	Text
Resource Type	Article

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