Using iSpartan To Support a Student-Centered Activity on Alkane Conformations

Using iSpartan To Support a Student-Centered Activity on Alkane Conformations
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使用 iSpartan 支持以学生为中心的烷烃构象活动

DOI:
10.1021/acs.jchemed.8b00145
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发表时间:
2018
影响因子:
3
通讯作者:
Shaw, Tiana
Shaw, Tiana
中科院分区:
化学2区
文献类型:
--
作者:
Winfield, Leyte L.;McCormack, Kai;Shaw, Tiana

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在有机化学课程中采用的策略必须有促进概念掌握和视觉素养的共同利益。考虑到这一点,开发了一个iPartan启用的可视化和计算活动,以补充第一学期的有机化学入门课程的学习。该活动为学生提供了绘制分子,收集基于结构的数据,并参与与无环烷烃构象相关的小组讨论的机会。学生不接受讲座或完成所需的阅读构象。相反,活动沿着小组和主持人主持的讨论作为主题的内容交付方法。前测和后测的分数表明,每个学生的能力,以提高解释纽曼投影和确定相对构象能量和稳定性。进行了一项调查,以确定在何种程度上,每个学生重视的活动和相关的技术,其响应表明,该活动是有助于学生的能力,理解和应用有关烷烃构象的概念。
Strategies employed in the organic chemistry course must have the shared benefit of promoting concept mastery and visual literacy. With this in mind, an iSpartan-enabled visualization and computational activity was developed to complement learning in the first-semester, introductory organic chemistry course. The activity provides students an opportunity to draw molecules, collect structure-based data, and engage in group discussions related to acyclic alkane conformations. Students do not receive a lecture or complete required reading on conformations. Instead, the activity along with group- and instructor-facilitated discussions serves as the method of content delivery for the topic. Pretest and post-test scores suggest improvements in each student’s ability to interpret Newman Projections and determine relative conformation energies and stabilities. A survey was administered to determine the degree to which each student valued the activity and the associated technology, the response to which suggests that the activity was instrumental in students’ ability to comprehend and apply concepts related to alkane conformation.
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