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Critical aspects and how students concretize their molecular understanding: benefits and potential pitfalls with an animation
Linköpings universitet, Sweden. (Ingenjörsvetenskapernas didaktik)ORCID-id: 0000-0003-4915-2331
Linköpings universitet, Sweden. (Visual Learning and Communication)
2011 (Engelska)Konferensbidrag, Publicerat paper (Övrigt vetenskapligt)
Abstract [en]

We have investigated the effects of an animation of ATP synthesis in mitochondria on students understanding of the process. University students were exposed to the animation without narration before their introductory course in cell metabolism. Our intention was to identify any visual aspects of the animation that helped students to understand the process, and how the animation influenced their reasoning. In a mixed-method design, individual questionnaires were administered and group discussions performed. We identified three features of the animation which helped the students to understand critical aspects of the process, namely 1) molecular dynamics, 2) an explicitly visualized coupling between the flow of protons through the protein complex and ATP-synthesis 3) movements and induced conformational changes in the proteins during the process. We also observed that students showed difficulties in predicting the reversibility of the reaction. Analogies might enhance the meaningfulness and provide qualitative insights of sub-microscopic explanations. Albeit so, our preliminary analysis of the group discussions indicates that they are also sometimes misleading and can act as traps that induce erroneous chemical reasoning. 

Ort, förlag, år, upplaga, sidor
2011.
Nyckelord [en]
ATP-synthase, critical features, metaphors, animation
Nationell ämneskategori
Didaktik
Identifikatorer
URN: urn:nbn:se:mdh:diva-21905OAI: oai:DiVA.org:mdh-21905DiVA, id: diva2:655481
Konferens
ESERA 2011 Conference, September 5th-9th 2011, Lyon, Centre de Congrès, Frande
Tillgänglig från: 2011-11-17 Skapad: 2013-10-11 Senast uppdaterad: 2016-02-12Bibliografiskt granskad

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Stadig Degerman, Mari

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Totalt: 29 träffar
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