Abstract
Assessment of usability and user experience of spoken dialog services is a rather complex task, which remains difficult to achieve with real end-users. In this work a three-fold evaluation approach is introduced, which supports reliable assessment of usability and user experience. The approach combines interaction log data based assessment (at dialog, task and node level) with an optimized questionnaire-based end-users evaluation and a controlled stress test performed by an IVR system. The 3-fold evaluation approach was used for the assessment of usability and user experience of the pilot deployment of a voice banking systems. The proposed assessment approach provides sufficient evidence for the business informed decision-making with respect to perceived user quality of the interaction and offered services and allows for investigation of potential improvement areas.
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Kocsis, O., Kladis, B., Tsopanoglou, A., Fakotakis, N. (2017). Assessing Spoken Dialog Services from the End-User Perspective: Usability and Experience. In: Karpov, A., Potapova, R., Mporas, I. (eds) Speech and Computer. SPECOM 2017. Lecture Notes in Computer Science(), vol 10458. Springer, Cham. https://doi.org/10.1007/978-3-319-66429-3_15
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DOI: https://doi.org/10.1007/978-3-319-66429-3_15
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