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The difference of pre-class preview time affects online teaching quality

机译：课前预览时间的差异会影响在线教学质量

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摘要

With the outbreak of COVID-19, many courses in Universities have to change from face-to-face teaching to online teaching. This new technology is a unique experience for teachers and students, making teachers have to explore new teaching methods. In the past, in colleges and universities, teachers generally did not provide students with subject materials in advance. This article hopes to make a change, and thus we selected 75 undergraduate students in two classes in a university in Beijing. Taking the subject of civil aviation cargo transportation as an example, we upload learning materials online in one class for the day ahead, and their students can preview the subject's difficulty. However, learning materials of other classes are upload four days in advance. The teacher first teaches basic theories according to the subject guide and then conducts online tests through questionnaires (via an online questionnaire distribution site: Wenjuanxing) to assess student results. The independent sample ‘student test method’ will be used to compare the students' scores in the two classes. Findings show that the students who previewed one day ahead of the class perform better than those who preview four days ahead of the class.
机译：随着COVID-19的爆发，大学中的许多课程都必须从面对面教学转变为在线教学。这项新技术为师生带来了独特的体验，使教师不得不探索新的教学方法。过去，在大学中，教师通常不预先向学生提供学科材料。本文希望做出改变，因此，我们从北京一所大学的两个班级中选出了75名本科生。以民航货运主题为例，我们在前一天的在线课程中上传学习资料，他们的学生可以预览该主题的难度。但是，其他课程的学习材料则提前四天上传。老师首先根据科目指南讲授基础理论，然后通过问卷进行在线测试（通过在线问卷分发站点：文娟行）以评估学生的成绩。独立样本“学生测试方法”将用于比较两个班级中学生的分数。研究结果表明，提前一天上课的学生要比提前一天上课的学生表现更好。

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