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Students' Communicative Resources in Relation to Their Conceptual Understanding - The Role of Non-Conventionalized Expressions in Making Sense of Visualizations of Protein Function:  
Stockholm University, Faculty of Science, Department of Mathematics and Science Education.
2012 (English)In: Research in science education, ISSN 0157-244X, E-ISSN 1573-1898, Vol. 42, no 5, 891-913 p.Article in journal (Refereed) Published
Abstract [en]

This study examines how students explain their conceptual understanding of protein function using visualizations. Thirteen upper secondary students, four tertiary students (studying chemical biology), and two experts were interviewed in semistructured interviews. The interviews were structured around 2D illustrations of proteins and an animated representation of water transport through a channel in the cell membrane. In the analysis of the transcripts, a score, based on the SOLO-taxonomy, was given to each student to indicate the conceptual depth achieved in their explanations. The use of scientific terms and non-conventionalized expressions in the students explanations were investigated based upon a semiotic approach. The results indicated that there was a positive relationship between use of scientific terms and level of education. However, there was no correlation between students’ use of scientific terms and conceptual depth. In the interviews, we found that non-conventionalized expressions were used by several participants to express conceptual understanding and played a role in making sense of the visualizations of protein function. Interestingly, also the experts made use of non-conventionalized expressions. The results of our study imply that more attention should be drawn to students’ use of scientific and nonconventionalized terms in relation to their conceptual understanding.

Place, publisher, year, edition, pages
2012. Vol. 42, no 5, 891-913 p.
Keyword [en]
Science communication, Life science, Scietific terms, Visualization, Conceptual understanding, SOLO Taxonomy
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Research subject
URN: urn:nbn:se:su:diva-61836DOI: 10.1007/s11165-011-9229-2ISI: 000308296100005OAI: diva2:438133
Available from: 2011-09-01 Created: 2011-09-01 Last updated: 2012-10-17Bibliographically approved

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Rundgren, Carl-Johan
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