Challenges in addressing student difficulties with measurement uncertainty of two-state quantum systems using a multiple-choice question sequence in online and in-person classes

Challenges in addressing student difficulties with measurement uncertainty of two-state quantum systems using a multiple-choice question sequence in online and in-person classes
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在在线和面对面课堂中使用多项选择问题序列解决学生在两种状态量子系统的测量不确定性方面遇到的困难

DOI:
10.1088/1361-6404/ac9ba3
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发表时间:
2022
影响因子:
0.7
通讯作者:
Singh, Chandralekha
Singh, Chandralekha
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
Hu, Peter;Li, Yangqiuting;Singh, Chandralekha

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经研究验证的多项选择题是一种易于实施的教学工具,有助于学生的学习和形成性地评估学生的知识。我们提出了连续几年实施的研究验证的多项选择题序列的测量不确定性的结果,因为它适用于两态量子系统。这项研究是在一个先进的本科量子力学课程,连续几年在网上和面对面的学习环境。在接受传统的基于讲座的相关概念教学后,对学生的学习进行了评估,并将他们的表现与参与多项选择题序列后的类似评估进行了比较。我们分析并讨论了两种教学模式中观察到的相似和不同趋势。
Research-validated multiple-choice questions comprise an easy-to-implement instructional tool that serves to scaffold student learning and formatively assess students' knowledge. We present findings from the implementation, in consecutive years, of a research-validated multiple-choice question sequence on measurement uncertainty as it applies to two-state quantum systems. This study was conducted in an advanced undergraduate quantum mechanics course, in online and in-person learning environments for consecutive years. Student learning was assessed after receiving traditional lecture-based instruction in relevant concepts, and their performance was compared with that of a similar assessment given after engaging with the multiple-choice question sequence. We analyze and discuss the similar and differing trends observed in the two modes of instruction.
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