A Study of developing Adaptive Diagnostic Test and Remedial Instruction System-using &quot;prism  pyramid  cylinder and cone&quot; unit as an example

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Title:	A Study of developing Adaptive Diagnostic Test and Remedial Instruction System-using ";prism pyramid cylinder and cone";unit as an example
Authors:	Lin Sian Jia
Contributors:	Department of Computer Science and Information Engineering
Keywords:	Bayesian networks;fusion method;Computerize Adaptive Diagnostic Test;Computerize Remedial Instruction
Date:	2007
Issue Date:	2009-11-18 13:14:04 (UTC+0)
Publisher:	Asia University
Abstract:	The main purpose of the research is to build an adaptive diagnostic test and remedial instruction system. We use Bayesian networks to make models of mathematical concepts and identify bugs and sub-skills in "prism, pyramid, cylinder and cone" unit. Besides、we try to combine multiple Bayesian networks to get better classification results than single Bayesian networks. The results show that the fusion method "sub-structure fusion", with dynamic cut-point selection can improve the classification accuracy. At last, we experiment on sixth grade elementary school student with the system. The results show that using Bayesian networks to diagnose the existence of bugs and sub-skills in individual students can get good performance. Also, students have made great progress in their mathematics studies.
Appears in Collections:	[Department of Computer Science and Information Engineering] Theses & dissertations

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