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'The brain needs nutrition': pupils' connections between organizational levels
Linköping University, Department of Behavioural Sciences and Learning, Division of Learning, Aesthetics, Natural Science. Linköping University, Faculty of Educational Sciences.ORCID iD: 0000-0003-3630-6303
Linköping University, Department of Science and Technology, Media and Information Technology. Linköping University, Faculty of Educational Sciences.ORCID iD: 0000-0002-4694-5611
Linköping University, Department of Behavioural Sciences and Learning, Division of Learning, Aesthetics, Natural Science. Linköping University, Faculty of Educational Sciences.ORCID iD: 0000-0001-5711-260X
2021 (English)In: NorDiNa: Nordic Studies in Science Education, ISSN 1504-4556, E-ISSN 1894-1257, Vol. 17, no 1, p. 48-63Article in journal (Refereed) Published
Abstract [en]

Previous research suggests that connecting organizational levels of biological systems is challenging for pupils. In the present study we investigated 122 pupils’ written responses to a question in a national bio-logy test concerning how nutrient molecules are adsorbed by the small intestine and transported to the brain. We aimed to investigate what awareness the pupils have of the connection between the digestive and circulatory systems. We mapped the pupil’s expressed knowledge by using content analysis which was performed in five steps including connection between the systems, organizational levels and scientific explanations. We found that the most correct descriptions contained the highest number of connections between the digestive and the circulatory systems and linking of the different organizational levels. The most correct descriptions included the highest proportion of the meso level. Therefore, knowledge at the meso level seems to be essential for grasping connections between macro- and submicro-level processes, and connections of digestion and circulation systems.

Place, publisher, year, edition, pages
Oslo, Norway: Naturfagsenteret , 2021. Vol. 17, no 1, p. 48-63
National Category
Didactics
Identifiers
URN: urn:nbn:se:liu:diva-175554DOI: 10.5617/nordina.7930Scopus ID: 2-s2.0-85102315716OAI: oai:DiVA.org:liu-175554DiVA, id: diva2:1553198
Available from: 2021-05-07 Created: 2021-05-07 Last updated: 2021-05-12Bibliographically approved
In thesis
1. Topsar och cellmembran: Kroppens näringsupptag i undervisning och elevtexter på mellanstadiet
Open this publication in new window or tab >>Topsar och cellmembran: Kroppens näringsupptag i undervisning och elevtexter på mellanstadiet
2021 (Swedish)Doctoral thesis, comprehensive summary (Other academic)
Alternative title[en]
'Cotton swabs and cell membrane' : Nutrient uptake in teaching and student texts in upper primary school
Abstract [sv]

I avhandlingen studeras mellanstadieelevers meningsskapande kring näringsupptag. Avhandlingens artiklar baseras på två datainsamlingar. I den första studeras skriftliga svar på ett nationellt prov i biologi. I den andra studeras klassrumsundervisning i två skolor med en animation om näringsupptag som kontext. I den ena skolan hålls också en lärargenomgång. Det övergripande analysverktyget är innehållsanalys, mer specifikt används organisationsnivåer och systemtisk funktionell grammatik (SFG). I kappan diskuteras resultatet ur tre perspektiv. För det första visas att naturvetenskapligt korrekta svar och koppling mellan matspjälknings- och cirkulationssystemet är associerade med antalet kopplingar mellan organisationsnivåer och förekomst av mesonivån i beskrivningarna. Näringsupptaget beskrivs ofta i termer av förflyttning (i ett logistiksystem), med explicita och/eller implicita aktörer där processen ofta uttrycks metaforiskt. För det andra ger resultatet en inblick i metaforernas möjligheter och begränsningar för elevernas meningsskapande genom att spåra var metaforerna kommer ifrån. I animationen används metaforiska uttryck för att förklara specifika funktioner. Eleverna använde flera spontana metaforer, vissa som även deras lärare tog upp användes. För det tredje visar avhandlingens resultat att eleverna i båda skolorna kombinerar naturvetenskapliga termer med vardagsuttryck. De elever som har haft lärargenomgång använder mer vardagsuttryck än de som inte har haft det. Vidare visar eleverna tecken på naturvetenskapligt meningsskapande på mesonivån genom att använda vardagsuttryck om membranproteinernas funktion i termer av molekyler som går genom kanaler och har sin egen ingång till blodet.

Abstract [en]

This dissertation studies upper primary school students' meaning-making of nutrient uptake. The papers in the dissertation are based on two sets of collected data. In the first, written answers to a national test in biology are studied. In the other, classroom teaching is studied in two schools with an animation about nutrient uptake as a context. In one of the schools is a teacher review held in connection with the animation. The overall analytical method is content analysis, more specifically organizational levels and systemic functional grammar (SFG) is used. In this thesis, the results are discussed from three perspectives. First, it is shown that scientifically correct answers and the connection between the digestive and circulatory system are associated with the number of connections between organizational levels and the presence of the meso level in the descriptions. Nutrient uptake is often described in terms of relocation (in a logistics system), with explicit and / or implicit actors where the process is often expressed metaphorically. Second, the results provide an insight into the reach of the metaphors (affordances and limitations) for students meaning-making of nutrient uptake by tracing where the metaphors come from. The animation uses metaphorical expressions to explain specific functions. The students used several metaphors, some were also taken up and used by their teachers. Third, the results of the dissertation show that students in both schools combine scientific terms with everyday expressions. The students who had a teacher review use more everyday expressions than those who have not. Furthermore, students show signs of scientific meaning-making at the meso level by using everyday expressions about the function of membrane proteins in terms of molecules that go through channels and have their own entrance into the blood.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2021. p. 117
Series
Studies in Science and Technology Education, ISSN 1652-5051 ; 111
Keywords
Social semiotic, Metaphors, Everyday expressions, Systemic functional grammar, Organizational levels, Biology, Chemistry, Multimodality, Socialsemiotik, Metaforer, Vardagsuttryck, Systemisk funktionell grammatik, Organisationsnivåer, Biologi, Kemi, Multimodalitet
National Category
Didactics
Identifiers
urn:nbn:se:liu:diva-175555 (URN)10.3384/diss.diva-175555 (DOI)9789179296278 (ISBN)
Public defence
2021-06-08, Online via Zoom (kontakta anna.ericson@liu.se) och K1, Kåkenhus, Campus Norrköping, Norrköping, 13:00 (Swedish)
Opponent
Supervisors
Available from: 2021-05-07 Created: 2021-05-07 Last updated: 2022-10-03Bibliographically approved

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Jahic Pettersson, AlmaTibell, LenaLöfgren, Ragnhild

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