In this paper, we applied a number of clustering algorithms on pretest data collected from 264 high-school students. Students took the pre-test at the beginning of a 5-week experiment in which they interacted with an intelligent tutoring system. The primary goal of this work is to identify clusters of students exhibiting similar knowledge…

This study had three purposes: Firstly, to develop a categorization of research areas in distance education; secondly, to identify the most important research areas in distance education; and thirdly, to identify the most neglected research areas in distance education. Based on a literature review and a Delphi study, three broad levels or…

This study investigates the possibilities of estimating value added as a performance indicator in senior secondary vocational education. Value added is interesting in this context because it is considered as a reliable tool for comparing the effectiveness of educational institutions. Although value added indicators have been developed since the…

There Groups of Students--19 hard of hearing, 20 deaf, and a control group of 36 typically developing hearing readers--were compared on their ability to process written words at the lexical level and on their comprehension of words within the structure of a sentence. Findings generally suggested that severe prelingual hearing loss does not prevent…