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Knowledge-Based Adaptive Assessment in a Web-Based Intelligent Educational System

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4 Author(s)
Hatzilygeroudis, I. ; Dept. of Comput. Eng. & Informatics, Patras Univ. ; Koutsojannis, C. ; Papavlasopoulos, C. ; Prentzas, J.

In this paper, we present an adaptive and intelligent Web-based educational system that uses AI techniques for personalized assessment of the learners. More specifically, we focus on a mechanism for on-line creation of a user-adapted test, which can be used alongside the predetermined test. The user can ask for such a test any time he/she is willing to do so, even if he/she has not studied all predetermined concepts of a learning goal. A small rule base is used by an expert system inference engine for making decisions on the difficulty level of the exercises to be included in the test. This is based on the evaluation of the learner during concept studying. Adaptive assessment of the learner can be repeatedly used until there is no further need. Another small rule-base is used for deciding on whether a new test is suggested or not. This is based on the learner's previous test assessment results. Preliminary experimental results show that the users need less time to study a learning goal when using the adaptive assessment capability of the system

Published in:

Advanced Learning Technologies, 2006. Sixth International Conference on

Date of Conference:

5-7 July 2006