At your service: Designing voice assistant personalities to improve automotive user interfaces a real world driving study

Michael Braun, Anja Mainz, Ronee Chadowitz, Bastian Pfleging, Florian Alt

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

10 Citations (Scopus)
99 Downloads (Pure)

Abstract

This paper investigates personalized voice characters for in-car speech interfaces. In particular, we report on how we designed different personalities for voice assistants and compared them in a real world driving study. Voice assistants have become important for a wide range of use cases, yet current interfaces are using the same style of auditory response in every situation, despite varying user needs and personalities. To close this gap, we designed four assistant personalities (Friend, Admirer, Aunt, and Butler) and compared them to a baseline (Default) in a between-subject study in real traffic conditions. Our results show higher likability and trust for assistants that correctly match the user’s personality while we observed lower likability, trust, satisfaction,and usefulness for incorrectly matched personalities, each in comparison with the Default character. We discuss design aspects for voice assistants in different automotive use cases.
Original languageEnglish
Title of host publicationProceedings of the 2019 CHI Conference on Human Factors in Computing Systems
Place of PublicationNew York, NY, USA
PublisherAssociation for Computing Machinery, Inc
Number of pages11
ISBN (Electronic)978-1-4503-5970-2
DOIs
Publication statusPublished - 4 May 2019
EventAnnual ACM Conference on Human Factors in Computing Systems (CHI '19) - Glasgow, UK, Glasgow, United Kingdom
Duration: 4 May 20199 May 2019
https://chi2019.acm.org/

Conference

ConferenceAnnual ACM Conference on Human Factors in Computing Systems (CHI '19)
CountryUnited Kingdom
CityGlasgow
Period4/05/199/05/19
Internet address

Keywords

  • Automotive UI
  • Personality
  • Personalization
  • Voice assistant
  • Voice Assistant

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  • Cite this

    Braun, M., Mainz, A., Chadowitz, R., Pfleging, B., & Alt, F. (2019). At your service: Designing voice assistant personalities to improve automotive user interfaces a real world driving study. In Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems [40] Association for Computing Machinery, Inc. https://doi.org/10.1145/3290605.3300270