Information-Theoretic Analysis of Human Performance for Command Selection

Wanyu Liu 1, 2 Olivier Rioul 1 Michel Beaudouin-Lafon 2 Yves Guiard 1
2 EX-SITU - Extreme Interaction
LRI - Laboratoire de Recherche en Informatique, Inria Saclay - Ile de France
Abstract : Selecting commands is ubiquitous in current GUIs. While a number of studies have focused on improving rapid command selection through novel interaction techniques, new interface design and innovative devices, user performance in this context has received little attention. Inspired by a recent study which formulated information-theoretic hypotheses to support experimental results on command selection, we aim at explaining user performance from an information-theoretic perspective. We design an ad-hoc command selection experiment for information-theoretic analysis, and explain theoretically why the transmitted information from the user to the computer levels off as difficulty increases. Our reasoning is based on basic information-theoretic concepts such as entropy, mutual information and Fano’s inequality. This implies a bell-shaped behavior of the throughput and therefore an optimal level of difficulty for a given input technique.
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Communication dans un congrès
Regina Bernhaupt; Girish Dalvi; Anirudha Joshi; Devanuj K. Balkrishan; Jacki O'Neill; Marco Winckler. 16th IFIP Conference on Human-Computer Interaction (INTERACT), Sep 2017, Mumbai, India. Springer, Lecture Notes in Computer Science, LNCS-10515 (Part III), pp.515-524, 2017, Human-Computer Interaction – INTERACT 2017. 〈10.1007/978-3-319-67687-6_35〉
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Soumis le : mardi 21 novembre 2017 - 17:41:33
Dernière modification le : jeudi 5 avril 2018 - 12:30:25

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Wanyu Liu, Olivier Rioul, Michel Beaudouin-Lafon, Yves Guiard. Information-Theoretic Analysis of Human Performance for Command Selection. Regina Bernhaupt; Girish Dalvi; Anirudha Joshi; Devanuj K. Balkrishan; Jacki O'Neill; Marco Winckler. 16th IFIP Conference on Human-Computer Interaction (INTERACT), Sep 2017, Mumbai, India. Springer, Lecture Notes in Computer Science, LNCS-10515 (Part III), pp.515-524, 2017, Human-Computer Interaction – INTERACT 2017. 〈10.1007/978-3-319-67687-6_35〉. 〈hal-01643924〉

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