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    Automated essay grading: an evaluation of four conceptual models

    20634_downloaded_stream_90.pdf (45.91Kb)
    Access Status
    Open access
    Authors
    Williams, Robert
    Date
    2001
    Type
    Book Chapter
    
    Metadata
    Show full item record
    Citation
    Williams, Robert. 2001. Automated essay grading: an evaluation of four conceptual models, in Kulski, Martijntje and Herrman, Allan (ed), New horizons in university teaching and learning: Responding to change, pp 173-184. Perth Australia: Centre for Educational Advancement, Curtin University.
    Source Title
    New horizons in university teaching and learning: Responding to change
    Faculty
    Curtin Business School
    School of Information Systems
    School
    Centre for Extended Enterprises and Business Intelligence
    URI
    http://hdl.handle.net/20.500.11937/11929
    Collection
    • Curtin Research Publications
    Abstract

    Automated essay grading has been proposed for over thirty years. Only recently have practical implementations been constructed and tested. This paper describes the theoretical models for four implemented system described in the literature, and evaluates their strengths and weaknesses. All four models make use of comparisons with one or many model answer documents that have been previously assessed by human markers. One hybrid system that makes use of some linguistic features, combined with document characteristics, is shown to be a practical solution at present. Another system that makes use of primarily linguistics features is also shown to be effective. An implementation that ignores linguistic and document features, and operates on the ?bag of words? approach, is then discussed. Finally an approach using text categorisation techniques is considered.

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