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The power model of Fitts' law does not encompass the logarithmic model

Olivier Rioul 1, 2 Yves Guiard 3, 4
1 COMNUM - Communications Numériques
LTCI - Laboratoire Traitement et Communication de l'Information
2 COMELEC - Département Communications & Electronique
3 DIVA - Design, Interaction, Visualization & Applications
LTCI - Laboratoire Traitement et Communication de l'Information
4 INFRES - Département Informatique et Réseaux
Abstract : Whether Fitts’ law, a well-known model of human pointing movement, is a logarithmic law or a power law has remained unclear so far. In two widely cited papers, Meyer et al. have claimed that the power model they derived from their celebrated stochastic optimized-submovement theory encompasses the logarithmic model as a limiting case. We show that Meyer et al.’s theory implies in fact a quasi-logarithmic, rather than quasi-power model, the two models being not equivalent.
Keywords : mathematical models in psychology pointing simple aimed movement.
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Journal articles
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https://hal.telecom-paris.fr/hal-02299987
Contributor : Olivier Rioul Connect in order to contact the contributor
Submitted on : Sunday, September 29, 2019 - 9:47:59 AM
Last modification on : Tuesday, October 19, 2021 - 11:15:03 AM

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  • HAL Id : hal-02299987, version 1

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INSMI | LTCI | PARISTECH | INSTITUT-TELECOM | COMELEC | INFRES | COMNUM | DIVA | TDS-MACS

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Olivier Rioul, Yves Guiard. The power model of Fitts' law does not encompass the logarithmic model. Electronic Notes in Discrete Mathematics, Elsevier, 2013, 42, pp.65-72. ⟨hal-02299987⟩

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