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arXiv 2603.16638physics.ed-ph
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大学物理实验室课程中学生选择测量仪器的推理

Students' reasoning in choosing measurement instruments in an introductory physics laboratory course

University of Potsdam(波茨坦大学);Humboldt-Universität zu Berlin(柏林洪堡大学);King’s College London(伦敦国王学院)

Micol Alemani, Karel Kok, Eva Philippaki

AI总结:

研究探讨了大学物理实验室中学生选择简单测量仪器的决策与推理过程,发现实验室教学增强了学生对数据质量的重视,促使学生基于证据而非直觉做出选择。

摘要:

本研究旨在调查大学物理实验室课程中学生在选择简单测量仪器时的决策与推理过程。我们开发了问卷并在前后测中实施,以分析实验室教学对学生决策和推理的影响。通过归纳法编制了编码手册,捕捉学生选择仪器时推理的细微差别。结果显示,学生在决策时考虑了数据质量、实用性和个人因素。实验室教学影响了学生的决策和推理,使他们更强调数据质量。事实上,在教学后,大多数学生选择不确定性较低的仪器,并主要基于减少不确定性和避免系统误差或仪器读数错误来论证,而非以前的个人经验和直觉。这些发现表明,专门的测量和数据质量实验室教学,以及让学生在不同仪器之间选择并提供决策依据,可以积极影响学生的实验室习惯,鼓励他们基于证据而非直觉做出选择。

英文摘要:

The aim of this study is to investigate the decisions and reasoning of undergraduate students when choosing simple measurement instruments in an introductory physics laboratory course. For this study, we have developed a questionnaire and implemented it in a pre-/post-test manner to analyze the influence of lab instruction on both students' decisions and reasoning. To characterize students' justifications, we have inductively developed a coding manual that captures the nuances of students' reasoning when choosing an instrument. It shows that students consider different aspects for their decisions, such as data quality, practical and personal considerations. We have also found that laboratory instruction influenced both students' decisions and justifications, leading to a stronger emphasis on data quality. In fact, after instruction, the majority of students choose the instrument with lower uncertainty and base their justifications mainly on the aim of reducing uncertainties, avoiding systematic effects or mistakes in the instrument reading, and less often than before instruction on personal experience and intuition. These findings suggest that dedicating specific laboratory instruction sessions on measurements and data quality, and having students choose between different instrumentation and provide a justification for their decision, can positively impact students' habits in the laboratory and encourage them to base their choices on evidence rather than intuition.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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