Student Modelling on Language Teaching Based on Bayesian Networks

Acquiring a reliable student model is the principal task of an Intelligent Tutoring System (ITS). A precisely defined student model is also the key term for the success of ITSs. In this paper, a study on inferring the accurate student model on language learning is offered by utilizing artificial...

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Main Authors: Selçuk ŞENER, Ali GÜNEŞ
Format: Article
Language:English
Published: Gazi University 2021-06-01
Series:Gazi Üniversitesi Fen Bilimleri Dergisi
Subjects:
Online Access:https://dergipark.org.tr/tr/download/article-file/1738645
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author Selçuk ŞENER
Ali GÜNEŞ
author_facet Selçuk ŞENER
Ali GÜNEŞ
author_sort Selçuk ŞENER
collection DOAJ
description Acquiring a reliable student model is the principal task of an Intelligent Tutoring System (ITS). A precisely defined student model is also the key term for the success of ITSs. In this paper, a study on inferring the accurate student model on language learning is offered by utilizing artificial intelligence. In addition to the general structure of an ITS, a probabilistic model for inference using Bayesian Networks is stated in the paper. Bayesian Networks are acyclic directed graphs in which nodes represent random variables and arcs represent direct probabilistic dependences among them. In this study, graphical models and structures are implemented in a general-purpose decision modelling system SMILE and its Windows user interface, GeNIe, developed at the Decision Systems Laboratory. GeNIe user interface is also used in this study to perform Influence diagrams. Influence diagrams represent decision problems and help to choose a decision alternative with the highest expected gain. Toward the end of the study, an ITS student model which is directly associated with a standard proficiency level is aimed to be developed. This model is also complemented with a domain model, which incorporates language components such as grammar, vocabulary, and functions of language in different cases. At the end of the study, an evaluation of the model is performed with an experimental study and the results show that the participants worked with offered ITS model gathered close results when compared to those obtained by the participants who worked with a real tutor.
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spelling doaj.art-5b15a69c817b4cf0b486176541f4bd7c2023-02-15T16:21:42ZengGazi UniversityGazi Üniversitesi Fen Bilimleri Dergisi2147-95262021-06-019234735610.29109/gujsc.929365Student Modelling on Language Teaching Based on Bayesian NetworksSelçuk ŞENERhttps://orcid.org/0000-0003-2251-5366Ali GÜNEŞhttps://orcid.org/0000-0001-6177-3136Acquiring a reliable student model is the principal task of an Intelligent Tutoring System (ITS). A precisely defined student model is also the key term for the success of ITSs. In this paper, a study on inferring the accurate student model on language learning is offered by utilizing artificial intelligence. In addition to the general structure of an ITS, a probabilistic model for inference using Bayesian Networks is stated in the paper. Bayesian Networks are acyclic directed graphs in which nodes represent random variables and arcs represent direct probabilistic dependences among them. In this study, graphical models and structures are implemented in a general-purpose decision modelling system SMILE and its Windows user interface, GeNIe, developed at the Decision Systems Laboratory. GeNIe user interface is also used in this study to perform Influence diagrams. Influence diagrams represent decision problems and help to choose a decision alternative with the highest expected gain. Toward the end of the study, an ITS student model which is directly associated with a standard proficiency level is aimed to be developed. This model is also complemented with a domain model, which incorporates language components such as grammar, vocabulary, and functions of language in different cases. At the end of the study, an evaluation of the model is performed with an experimental study and the results show that the participants worked with offered ITS model gathered close results when compared to those obtained by the participants who worked with a real tutor.https://dergipark.org.tr/tr/download/article-file/1738645bayesian networksinfluence diagramsintelligent tutoring systemsstudentmodelling
spellingShingle Selçuk ŞENER
Ali GÜNEŞ
Student Modelling on Language Teaching Based on Bayesian Networks
Gazi Üniversitesi Fen Bilimleri Dergisi
bayesian networks
influence diagrams
intelligent tutoring systems
studentmodelling
title Student Modelling on Language Teaching Based on Bayesian Networks
title_full Student Modelling on Language Teaching Based on Bayesian Networks
title_fullStr Student Modelling on Language Teaching Based on Bayesian Networks
title_full_unstemmed Student Modelling on Language Teaching Based on Bayesian Networks
title_short Student Modelling on Language Teaching Based on Bayesian Networks
title_sort student modelling on language teaching based on bayesian networks
topic bayesian networks
influence diagrams
intelligent tutoring systems
studentmodelling
url https://dergipark.org.tr/tr/download/article-file/1738645
work_keys_str_mv AT selcuksener studentmodellingonlanguageteachingbasedonbayesiannetworks
AT aligunes studentmodellingonlanguageteachingbasedonbayesiannetworks