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Effects of different delivery modes on teaching biomedical science practical skills in higher education during the 2021 pandemic measures.
Heng, Zealyn Shi-Lin; Koh, Darius Wen-Shuo; Yeo, Joshua Yi; Ooi, Chui-Ping; Gan, Samuel Ken-En.
  • Heng ZS; Antibody & Product Development (APD) Lab, EDDC-BII, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore.
  • Koh DW; Antibody & Product Development (APD) Lab, EDDC-BII, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore.
  • Yeo JY; Antibody & Product Development (APD) Lab, EDDC-BII, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore.
  • Ooi CP; School of Science and Technology, Singapore University of Social Sciences (SUSS), Singapore, Singapore.
  • Gan SK; Antibody & Product Development (APD) Lab, EDDC-BII, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore.
Biochem Mol Biol Educ ; 50(4): 403-413, 2022 07.
Article in English | MEDLINE | ID: covidwho-1872134
ABSTRACT
The COVID-19 pandemic related measures had augmented the rise of online education. While online teaching had mitigated the negative impacts from educational institutional closures, it was unable to displace hands-on biomedical laboratory practical lessons effectively. Without practical sessions, there was concern over the imparting of laboratory skills even with video demonstrations. To investigate the effectiveness of different delivery modes in imparting laboratory skills, theoretical and practical student assessments were analyzed alongside an anonymous survey on their motivation and prior experience. The undergraduate students were exposed to (1) instructor-live demonstration; (2) video demonstration or (3) no demonstration prior to the practical test which was a plasmid extraction. Significantly higher mini-prep yields and purity were found for both instructor-live and video demonstrations compared to no demonstration. Comparison with pre-pandemic theoretical assessment performance showed no significant differences despite longer contact hours during pre-pandemic times. Prior lab experience and motivation for selecting the course did not significantly affect student mini-prep yields. In conclusion, our findings suggest that video demonstrations were as effective as instructor-live demonstrations during the pandemic without noticeably compromising the teaching and learning of biomedical laboratory skills.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Education, Distance / COVID-19 Type of study: Experimental Studies / Observational study / Prognostic study Limits: Humans Language: English Journal: Biochem Mol Biol Educ Year: 2022 Document Type: Article Affiliation country: Bmb.21637

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Education, Distance / COVID-19 Type of study: Experimental Studies / Observational study / Prognostic study Limits: Humans Language: English Journal: Biochem Mol Biol Educ Year: 2022 Document Type: Article Affiliation country: Bmb.21637