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Exploring students’ interpretation of electric fields around molecules using a haptic virtual model: An evolving study
Linköpings universitet, Institutionen för teknik och naturvetenskap, Visuell informationsteknologi och applikationer. Linköpings universitet, Tekniska högskolan. (Visual Learning and Communication)ORCID-id: 0000-0001-8888-6843
Linköpings universitet, Institutionen för teknik och naturvetenskap, Visuell informationsteknologi och applikationer. Linköpings universitet, Tekniska högskolan. (Visual Learning and Communication)ORCID-id: 0000-0003-1032-2145
Linköpings universitet, Institutionen för teknik och naturvetenskap, Visuell informationsteknologi och applikationer. Linköpings universitet, Tekniska högskolan.ORCID-id: 0000-0003-2429-0842
2010 (engelsk)Inngår i: Proceedings of the 18th Annual Meeting of the Southern African Association for Research in Mathematics, Science and Technology Education / [ed] V. Mudaly, Edgewood: University of KwaZulu-Natal , 2010, s. 242-248Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Surprisingly, very little empirical work has explored the application of students’ knowledge about electric fields to a chemistry context. In response, this paper reports a pilot study that investigated students’ conceptions about electric fields, and how interaction with a haptic virtual model impacts understanding of electric fields around molecules. Students first responded to specially-designed written free response items that probed knowledge transfer. The participants then interacted with the model while performing think-aloud tasks where different haptic modes offered by the model were activated. Qualitative induction of the data revealed that although students demonstrated a pronounced and classical understanding of electrostatic forces and electric fields, they struggled to apply this knowledge to a molecular context. Interestingly, there was a strong association between the existence of an electric field around a molecule with the notion of chemical polarity. Analysis of videotaped interaction with the model provided evidence for distinct influences on students’ understanding, which included using the model to gain unique insight into the nature of electric fields, and as a sensory tool for actively challenging existing alternative conceptions. Future work will expand the research framework presented here and also distil what specific perceptual experiences are related to any changes in knowledge.

sted, utgiver, år, opplag, sider
Edgewood: University of KwaZulu-Natal , 2010. s. 242-248
Emneord [en]
electric fields, electrostatic forces, molecules, haptic virtual model
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-53810ISBN: 9789299004395 (tryckt)OAI: oai:DiVA.org:liu-53810DiVA, id: diva2:292159
Konferanse
18th Annual Meeting of the Southern African Association for Research in Mathematics, Science and Technology Education (SAARMSTE), University of KwaZulu-Natal, Edgewood Campus, 18-21 January
Prosjekter
VisMolLS
Forskningsfinansiär
Swedish Research Council, 2008-5077
Tilgjengelig fra: 2010-02-04 Laget: 2010-02-04 Sist oppdatert: 2017-04-04bibliografisk kontrollert

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