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Estimation of certainty for multiple choice tasks using features of eye-movements

Published: 26 March 2008 Publication History

Abstract

To determine the performance of estimating the degree of "strength of belief" (SOB) of responses using eye-movements, the features of eye-movements were extracted while subjects answered questions and reviewed their own responses to multiple choice tasks. The estimation was conducted using Support Vector Machines (SVM) with features of eye-movements between two successive fixations. In the results, the overall estimation performances were significant when the prediction was calculated using certain combinations of features for answering and reviewing sessions respectively. In comparing feature combinations of eye-movements for significant estimations between answering and reviewing sessions, significant combinations components of features between the two sessions did not coincide.

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    cover image ACM Conferences
    ETRA '08: Proceedings of the 2008 symposium on Eye tracking research & applications
    March 2008
    285 pages
    ISBN:9781595939821
    DOI:10.1145/1344471
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    Published: 26 March 2008

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    Author Tags

    1. certainty
    2. estimation
    3. eye-movements
    4. support vector machines

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    ETRA '08
    ETRA '08: Eye Tracking Research and Applications
    March 26 - 28, 2008
    Georgia, Savannah

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