一种广义分类器来识别在线学习工具的大规模脱离

Jacqueline L. Feild, N. Lewkow, Sean Burns, Karen Gebhardt
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引用次数: 9

摘要

学生的成功是高等教育的重点,在某种程度上要求学生积极参与必修课程。由于传统大学课程的异质性,在学生停止完成课程时,如何大规模地识别学生的脱离一直是高等教育面临的一个挑战。本研究使用McGraw-Hill Education(一个广泛使用的在线学习工具)Connect的数据来构建一个分类器,以识别大规模的学习工具脱离。这个分类器在四年的历史数据上进行了训练和测试,这些数据代表了跨越256个学科的175,000门课程的450万名学生。结果表明,分类器可以有效地识别在线学习工具中对基线、跨时间、跨学科的脱离。该分类器还能有效地识别出有脱离Connect的风险的学生,然后在一个试点课程中获得不成功的分数,而在这个试点课程中,Connect的作业占整个课程成绩的比例相对较小。由于Connect被广泛使用,这个分类器被定位为教师和机构识别有脱离课程风险的学生的好工具。教师和机构可以利用这些信息来设计和实施干预措施,以提高学生在关键课程中的参与度和成功率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A generalized classifier to identify online learning tool disengagement at scale
Student success, a major focus in higher education, in part, requires students to remain actively engaged in the required coursework. Identifying student disengagement, when a student stops completing coursework, at scale has been a continuing challenge for higher education due to the heterogeneity of traditional college courses. This research uses data from Connect by McGraw-Hill Education, a widely used online learning tool, to build a classifier to identify learning tool disengagement at scale. This classifier was trained and tested on four years of historical data, representing 4.5 million students in 175,000 courses, across 256 disciplines. Results show that the classifier is effective in identifying disengagement within the online learning tool against baselines, across time, and within and across disciplines. The classifier was also effective in identifying students at risk of disengaging from Connect and then earning unsuccessful grades in a pilot course for which the assignments in Connect were worth a relatively small portion of the overall course grade. Because Connect is widely used, this classifier is positioned to be a good tool for instructors and institutions to identify students at risk for disengagement from coursework. Instructors and institutions can use this information to design and implement interventions to improve engagement and improve student success at the institution in key courses.
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