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Approche multimodale pour l'évaluation d'applications de communication innovantes

Abstract : The communication application domain has recently experienced some great changes. This shift has led researchers to follow a new evaluation paradigm, based on the user experience. This trend differs fundamentally from its predecessors by its holistic, subjective and positive nature. Many measurement methods have been developed to assess the user experience, but remain immature and even contradictory. Moreover, the basic nature of the user experience has led to the loss of reliability in the exercise of its measurement. This is why studies should be conducted in order to increase the validity and reliability of this new approach. The main aim of this research is to use several methods and to combine and articulate them using various techniques to improve the measurement quality. These studies was based on a broad spectrum of indicators (physiological, behavioral and self-reported) and two triangulation strategies in particular: multi-faceted and multi-measures. Finally, these methods were tested in real applied cases and under an increasing procedure complexity and statistical processing. This research has resulted in three separate studies. The first aims to evaluate the relevance of a movie recommendation algorithm against its competitor using a multifaceted evaluation strategy. A second study was designed to test the relevance of a multi-measures evaluation model by assessing the usability of university sites based on a remote user testing software (Evalyzer) and a multimodal combination of various indicators of usability. A final study was conducted to validate multi-measures immersion protocol (questionnaire, facial expression, skin conductance, heart rate, eye behavior). These three studies have highlighted the relevance of numerous measures (of usability and user experience), the added value of some of their combinations, as well as a critical return to the multi-facet validation procedure used in this thesis
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Submitted on : Tuesday, November 21, 2017 - 3:51:10 PM
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  • HAL Id : tel-01643701, version 1

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Florentin Rodio. Approche multimodale pour l'évaluation d'applications de communication innovantes. Sciences de l'information et de la communication. Université de Lorraine, 2016. Français. ⟨NNT : 2016LORR0341⟩. ⟨tel-01643701⟩

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