A Neural Architecture for Detecting Confusion in Eye-tracking Data

03/13/2020 ∙ by Shane Sims, et al. ∙ 0

Encouraged by the success of deep learning in a variety of domains, we investigate a novel application of its methods on the effectiveness of detecting user confusion in eye-tracking data. We introduce an architecture that uses RNN and CNN sub-models in parallel to take advantage of the temporal and visuospatial aspects of our data. Experiments with a dataset of user interactions with the ValueChart visualization tool show that our model outperforms an existing model based on Random Forests resulting in a 22 improvement in combined sensitivity specificity.

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