淡江大學機構典藏:Item 987654321/100506
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    題名: Developing early warning systems to predict students’ online learning performance
    作者: Hu, Ya-Han;Lo, Chia-Lun;Shih, Sheng-Pao
    貢獻者: 淡江大學資訊管理學系
    關鍵詞: Learning management system;e-Learning;Early warning system;Data-mining;Learning performance prediction
    日期: 2014-07-01
    上傳時間: 2015-03-02 17:27:14 (UTC+8)
    出版者: Kidlington: Pergamon Press
    摘要: An early warning system can help to identify at-risk students, or predict student learning performance by analyzing learning portfolios recorded in a learning management system (LMS). Although previous studies have shown the applicability of determining learner behaviors from an LMS, most investigated datasets are not assembled from online learning courses or from whole learning activities undertaken on courses that can be analyzed to evaluate students’ academic achievement. Previous studies generally focus on the construction of predictors for learner performance evaluation after a course has ended, and neglect the practical value of an “early warning” system to predict at-risk students while a course is in progress. We collected the complete learning activities of an online undergraduate course and applied data-mining techniques to develop an early warning system. Our results showed that, time-dependent variables extracted from LMS are critical factors for online learning. After students have used an LMS for a period of time, our early warning system effectively characterizes their current learning performance. Data-mining techniques are useful in the construction of early warning systems; based on our experimental results, classification and regression tree (CART), supplemented by AdaBoost is the best classifier for the evaluation of learning performance investigated by this study.
    關聯: Computers in Human Behavior 36, pp.469-478
    DOI: 10.1016/j.chb.2014.04.002
    顯示於類別:[資訊管理學系暨研究所] 期刊論文

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