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Measuring understanding of nanoscience and nanotechnology: development and validation of the nano-knowledge instrument (NanoKI)
Linköping University, Department of Science and Technology, Media and Information Technology. Linköping University, The Institute of Technology. (Visual Learning and Communication)ORCID iD: 0000-0001-8888-6843
Linköping University, Department of Science and Technology, Media and Information Technology. Linköping University, The Institute of Technology. (Visual Learning and Communication)ORCID iD: 0000-0003-1032-2145
Linköping University, Department of Science and Technology, Media and Information Technology. Linköping University, The Institute of Technology. (Immersive Visualization)ORCID iD: 0000-0003-2429-0842
2015 (English)In: Chemistry Education Research and Practice, ISSN 1756-1108, E-ISSN 1756-1108, Vol. 16, no 2, 346-354 p.Article in journal (Refereed) Published
Abstract [en]

As the application of nanotechnology in everyday life impacts society, it becomes critical for citizens to have a scientific basis upon which to judge their perceived hopes and fears of ‘nano’. Although multiple instruments have been designed for assessing attitudinal and affective aspects of nano, surprisingly little work has focused on developing tools to evaluate the conceptual knowledge dimension of public understanding. This article reports the validation of an instrument designed to measure conceptual knowledge of nanoscience and nanotechnology. A sample of 302 participants responded to a 28-item questionnaire designed around core nano-concepts. Factor analysis revealed a single latent variable representing the construct of nano-knowledge. Cronbach's alpha was 0.91 indicating a high internal consistency of the questionnaire items. The mean test score was 15.3 out of 28 (54.5%) with item difficulty indices ranging from 0.19 to 0.89. Obtained item discrimination values indicate a high discriminatory power of the instrument. Taken together, the psychometric properties of the Nano-Knowledge Instrument (NanoKI) suggest that it is a valid and reliable tool for measuring nano-related knowledge. Preliminary qualitative observations of citizens' incorrect and correct response patterns to the questionnaire indicate potential conceptual challenges surrounding relative size of the nanoscale, random motion of nano-objects, and nanoscale interactions, although these are hypotheses that require future investigation. Application of the NanoKI could support efforts directed to an agenda for evaluating and designing science communication and education initiatives for promoting understanding of nano.

Place, publisher, year, edition, pages
Royal Society of Chemistry, 2015. Vol. 16, no 2, 346-354 p.
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Identifiers
URN: urn:nbn:se:liu:diva-115591DOI: 10.1039/C4RP00241EISI: 000352633700014OAI: oai:DiVA.org:liu-115591DiVA: diva2:795831
Projects
NanoSim
Funder
Swedish Research Council, 2011-5569
Available from: 2015-03-17 Created: 2015-03-17 Last updated: 2017-12-04

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Schönborn, KonradHöst, GunnarLundin Palmerius, Karljohan

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CiteExportLink to record
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