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The second part describes WITNeSS \u2010 an original hybrid intelligent system using Fuzzy\u2010Neural\u2010GA techniques for optimising the presentation of learning material to a student. The original work in this paper is related to the concept of a \u201cvirtual student\u201d. This student model, modelled using fuzzy technologies, will be useful for any ITS, providing it with an optimal learning strategy for fitting the ITS itself to the unique needs of each individual student. In the third part, experiments focus on problems developing a \u201cvirtual student\u201d model, which simulates, in a rudimentary way, human learning behaviour. Part four finishes with concluding remarks.<\/jats:p>","DOI":"10.1108\/17415650480000023","type":"journal-article","created":{"date-parts":[[2010,6,5]],"date-time":"2010-06-05T07:20:36Z","timestamp":1275722436000},"page":"195-204","source":"Crossref","is-referenced-by-count":5,"title":["Using a virtual student model for testing intelligent tutoring systems"],"prefix":"10.1108","volume":"1","author":[{"given":"Mircea Gh.","family":"Negoita","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David","family":"Pritchard","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"140","reference":[{"volume-title":"ZIFF Papiere 111","year":"1999","author":"Buiu C.","key":"p_1"},{"key":"p_2","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-540-45226-3_33"},{"key":"p_3","doi-asserted-by":"publisher","DOI":"10.1007\/3-540-64582-9_787"},{"key":"p_4","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-642-75945-1"},{"key":"p_5","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-540-45226-3_31"},{"first-page":"2","volume-title":"April 30 2001","author":"McTaggart J.","key":"p_6"},{"key":"p_7","doi-asserted-by":"publisher","DOI":"10.1109\/IWALT.2000.890594"},{"key":"p_8","first-page":"124","volume":"12","author":"Mayo M.","year":"2001","journal-title":"International Journal of Artificial Intelligence in Education"},{"volume-title":"Engineering of Intelligent Hybrid Systems in Typical Applications to Computational Intelligence","year":"2004","author":"Negoita M. 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