Work in Progress

An Expressivity-Complexity Tradeoff?: User-Defined Gestures from the Wheelchair Space are Mostly Deictic

Authors:

Laura-Bianca Bilius,

Ovidiu-Ciprian Ungurean,

Radu-Daniel VatavuAuthors Info & Claims

CHI EA '23: Extended Abstracts of the 2023 CHI Conference on Human Factors in Computing Systems

Article No.: 35, Pages 1 - 8

https://doi.org/10.1145/3544549.3585695

Published: 19 April 2023 Publication History

Abstract

We present empirical results about gesture expressivity and articulation complexity from an analysis of 231 gestures elicited from eleven wheelchair users, for which we employ a combination of McNeill’s gesture theory from psycholinguistics and a taxonomy used in Human-Computer Interaction for the analysis of gestures elicited from end users. We report that 53.7% of the gestures that we analyzed were deictic in nature, and 50.7% were performed toward the body. These findings suggest a potential tradeoff between the expressivity of iconic and metaphoric gestures, less represented in the gesture set analyzed in this work, for the low complexity of simple pointing movements performed from the wheelchair space. Our results complement findings of previous gesture elicitation studies conducted with users with motor and/or mobility impairments, and suggest future work opportunities for gesture input performed from the wheelchair space, including mixed-nature gestures that feature both low complexity and rich expressivity.

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Cited By

Vatavu RBilius LAndrei ATerenti MCatană AȘiean A(2024)ChairMX: On-Chair Input for Interactive Media Consumption Experiences for Everyone, EverywhereProceedings of the 2024 ACM International Conference on Interactive Media Experiences10.1145/3639701.3661090(447-451)Online publication date: 7-Jun-2024
https://dl.acm.org/doi/10.1145/3639701.3661090

Index Terms

An Expressivity-Complexity Tradeoff?: User-Defined Gestures from the Wheelchair Space are Mostly Deictic
1. Human-centered computing
  1. Accessibility
    1. Accessibility technologies
    2. Empirical studies in accessibility
  2. Human computer interaction (HCI)
    1. Interaction techniques
      1. Gestural input

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cover image ACM Conferences

CHI EA '23: Extended Abstracts of the 2023 CHI Conference on Human Factors in Computing Systems

April 2023

3914 pages

ISBN:9781450394222

DOI:10.1145/3544549

Editors:
Albrecht Schmidt
LMU Munich, Germany
,
Kaisa Väänänen
Tampere University, Finland
,
Tesh Goyal
Google Research, USA
,
Per Ola Kristensson
University of Cambridge, UK
,
Anicia Peters
University of Namibia, Namibia

Copyright © 2023 Owner/Author.

Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for third-party components of this work must be honored. For all other uses, contact the Owner/Author.

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Published: 19 April 2023

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Unitatea Executiva pentru Finantarea Invatamantului Superior, a Cercetarii, Dezvoltarii si Inovarii

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CHI '23

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SIGCHI

CHI '23: CHI Conference on Human Factors in Computing Systems

April 23 - 28, 2023

Hamburg, Germany

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Cited By

Vatavu RBilius LAndrei ATerenti MCatană AȘiean A(2024)ChairMX: On-Chair Input for Interactive Media Consumption Experiences for Everyone, EverywhereProceedings of the 2024 ACM International Conference on Interactive Media Experiences10.1145/3639701.3661090(447-451)Online publication date: 7-Jun-2024
https://dl.acm.org/doi/10.1145/3639701.3661090

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