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  • Comparison of mood and task performance in naturally-lit and artificially-lit environments

    Author(s)
    Gou, Zhonghua
    Lau, Stephen Siu-Yu
    Qian, Feng
    Griffith University Author(s)
    Gou, Zhonghua
    Year published
    2015
    Metadata
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    Abstract
    The article presents the results of a laboratory study conducted at Shanghai Tongji University. The study compares participants’ mood and task performance between naturally-lit and artificially-lit environments, with a view to identify negative impacts, such as lighting variation and temperature asymmetry caused by dynamic natural light. It was observed that the mood change in the naturally-lit environment was more significant, especially the decrease of positive mood, than in the artificially-lit environment. For the subjects in the naturally-lit environment, performance scores decreased with increase in the light intensity ...
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    The article presents the results of a laboratory study conducted at Shanghai Tongji University. The study compares participants’ mood and task performance between naturally-lit and artificially-lit environments, with a view to identify negative impacts, such as lighting variation and temperature asymmetry caused by dynamic natural light. It was observed that the mood change in the naturally-lit environment was more significant, especially the decrease of positive mood, than in the artificially-lit environment. For the subjects in the naturally-lit environment, performance scores decreased with increase in the light intensity and temperature asymmetry. Based on the study results, suitable daylighting design was recommended for classrooms or offices.
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    Journal Title
    Indoor and Built Environment
    Volume
    24
    Issue
    1
    DOI
    https://doi.org/10.1177/1420326X13507792
    Subject
    Civil engineering
    Architectural science and technology
    Building
    Publication URI
    http://hdl.handle.net/10072/142122
    Collection
    • Journal articles

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