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    Using Multiple Representations in Chemical Kinetics: Relationship Between Graphs and Texts

    Access Status
    Fulltext not available
    Authors
    Chandrasegaran, Arulsingam
    Tan, K.
    Treagust, David
    Mocerino, Mauro
    Date
    2011
    Type
    Conference Paper
    
    Metadata
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    Citation
    Chandrasegaran, A. L. and Tan, Kim-Chwee Daniel and Treagust, David F. and Mocerino, Mauro. 2011. Using Multiple Representations in Chemical Kinetics: Relationship Between Graphs and Texts, in Staff at RECSAM/SEAMEO (ed), 4th International Conference on Science and Mathematics Education, Nov 15 2011. Penang, Malaysia: SEAMEO RECSAM
    Source Title
    CoSMEd 2011 Proceedings
    Source Conference
    4th International Conference on Science and Mathematics Education
    School
    Science and Mathematics Education Centre (Research Institute)
    URI
    http://hdl.handle.net/20.500.11937/21532
    Collection
    • Curtin Research Publications
    Abstract

    A quantitative case study design involving 1,216 Singapore students in grades 10 – 12 was used to evaluate their ability to relate the graphical representations of kinetics of acid reactions with written texts using the Acid Reactions Instrument consisting of 12 items classified into four reaction groups. The Cronbach’s alpha reliability for the 12 items was found to be 0.82. Students’ understanding of graphical representations in each reaction group was indicated by correct responses ranging from 57% to 82.3%. Their ability to relate the graphical representations to the corresponding textual representations in each reaction group was indicated by correct responses ranging from 47.2% to 73.7%. These differences were statistically significant for all four reaction groups. As students advanced in their studies from secondary school to junior college, they demonstrated greater proficiency in their understanding of multiple external representations as well in their ability to relate between representational systems.

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