新冠肺炎前后微生物代谢的传统、混合模式和在线指导

Dylan Thibaut, K. Schroeder
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引用次数: 0

摘要

随着新冠肺炎限制的取消,讲师们面临两个问题:该课程是通过在线、混合模式还是通过传统方法教授,以及在线教学对使用传统、混合模式和在线方法的八个学期新陈代谢课程的学生有何影响。重复测量ANOVA的事后分析确定,虽然混合模式在第一次考试(4.47±4.24,p=0.012)和累积期末考试(8.15±4.24)中涉及入门概念的新陈代谢考试中优于传统方法,在代谢和脂质、核苷酸和氨基酸合成途径的替代途径的教学方面,传统方法优于混合模式(9.21±4.24,p=0.001)和在线方法(6.37±5.76,p=0.006)。所有方法都显示学生在糖酵解、TCA循环、氧化磷酸化等方面的成绩较差。在线方法的表现与混合模式几乎相同,尽管第一次考试的内容与混合模式没有显著差异。很明显,基于这项研究,有必要采用不同的方法来教授基本的中枢代谢循环,如糖酵解、TCA循环和电子传输链,以提高学生对这些主题的理解。
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Traditional, Mixed-Mode, and Online Instruction for Microbial Metabolism Before and During COVID-19
As COVID-19 restrictions are removed, instructors are faced with two questions: should the course be taught online, via mixed-mode, or through traditional methods, and what effect did online instruction have on students in the course in regards regarding enrolled across eight semesters of metabolism courses using traditional, mixed-mode, and online methods. Post-hoc analysis of a repeated-measures ANOVA determined that while mixed-mode outperformed traditional methods on metabolism exams involving introductory concepts on the first exam (4.47 ±4.24, p= 0.012) and on the cumulative final exam (8.15 ±4.24, p= <0.001), traditional methods were superior to both mixed-mode (9.21 ±4.24, p= <0.001) and online methods (6.37 ±5.76, p= 0.006) at teaching alternative pathways of metabolism and lipid, nucleotide, and amino acid synthesis pathways. All methods showed poor student scores on glycolysis, TCA cycle, oxidative phosphorylation topics. Online methods performed nearly equally to mixed-mode, though there was not a significant difference on the first exam’s content as was found with mixed-mode. It is evident that, based on this study, a different approach to teaching basic central metabolic cycles such as glycolysis, the TCA cycle, and the electron transport chain is necessary to improve student understanding of these topics.
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