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Student performance in medical biochemistry and genetics: comparing campus-based versus zoom-based lecture delivery

Journal: BMC Medical Education Date: 2022/11, 22(1):Pages: 798. doi: Subito , type of study: cohort study

Free full text   (https://bmcmededuc.biomedcentral.com/articles/10.1186/s12909-022-03873-y)

Keywords:

medical students [402]
universities [2]
assessment outcomes [1]
in-person instruction [1]
online instruction [1]
online lectures [2]
undergraduate medical education [60]
cohort study [51]

Abstract:

BACKGROUND: We appraised the effectiveness of online (Zoom) delivery versus live campus-based delivery of lectures in biochemistry and genetics courses and assessed the security of remote versus campus-administered exams. METHODS: Participants were 601 students entering Michigan State University College of Osteopathic Medicine in 2019 or 2020. The former cohort completed courses and exams on campus, while the latter completed courses online due to the COVID-19 pandemic. For the biochemistry and genetics courses, the same lecturers delivered the same content and used identical exam questions for assessments in 2019 and 2020. The investigators compared percent correct for each question in 2019 and 2020. RESULTS: This study found 84 of 126 (67%) of the questions yielded little difference (3% or less in % correct) between live delivery and Zoom delivery. For questions whose % correct index differed by 4% or more, Zoom delivery yielded a better performance for 16 questions (13%), while 19 questions (15%) showed live lectures performed better. Seven of the questions (6%) had an identical mode of delivery in 2019 and 2020 (e.g., self-study exercise). These served as “control questions“ for which equivalent student performance was expected. The 126 questions analyzed spanned a wide range in the % correct index, from 60% correct to > 90% correct. CONCLUSIONS: The results suggest that Zoom and on-campus delivery of the content in biochemistry and genetics yielded similar achievement of course objectives. The high concordance, between 2019 and 2020, of the % correct for individual questions also speaks to exam security including online proctoring.


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