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Pedestrians’ Mental Model Development after Initial Encounters with Automated Driving Systems

Published: 04 October 2022 Publication History

Abstract

Automated driving systems (ADS) in urban road traffic incorporate external human-machine interfaces (eHMI) as explicit means of interaction with pedestrians. To enable safe interactions, a pedestrian’s mental model must be consistent with the functions and limitations of the ADS. The aim of this research is to investigate developments in pedestrians’ mental models towards ADS displaying different levels of automation transparency (AT) via an eHMI. Thirty-seven participants were instructed about ADS and experienced 60 interactions with an ADS on three test days (longitudinal design) in a controlled field test environment. As between-subject variable the level of AT was manipulated (status information vs. status, perception and yielding intention information). As dependent variable the mental model was measured by means of a questionnaire. The study results show that a pedestrian’s mental model of an ADS does not develop within the three initial encounters but is initially influenced by the level of AT conveyed via an eHMI. Participants in the high AT group assessed the ADS’s ability to communicate its yielding and nonyielding intention as more applicable. When designing eHMIs and instructing pedestrians accordingly, misconceptions in the pedestrians’ mental model should be considered.

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Cited By

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  • (2023)External Human–Machine Interfaces for Automated Vehicles in Shared Spaces: A Review of the Human–Computer Interaction LiteratureSensors10.3390/s2309445423:9(4454)Online publication date: 2-May-2023

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cover image ACM Other conferences
ECCE '22: Proceedings of the 33rd European Conference on Cognitive Ergonomics
October 2022
183 pages
ISBN:9781450398084
DOI:10.1145/3552327
Permission to make digital or hard copies of all or part 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 components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 04 October 2022

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Author Tags

  1. Pedestrian
  2. automated vehicle
  3. decision-making
  4. external human-machine-interface
  5. mental model

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  • Short-paper
  • Research
  • Refereed limited

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  • Bundesministerium für Wirtschaft und Klimaschutz

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ECCE 2022
ECCE 2022: 33rd European Conference on Cognitive Ergonomics
October 4 - 7, 2022
Kaiserslautern, Germany

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Overall Acceptance Rate 56 of 91 submissions, 62%

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Cited By

View all
  • (2023)External Human–Machine Interfaces for Automated Vehicles in Shared Spaces: A Review of the Human–Computer Interaction LiteratureSensors10.3390/s2309445423:9(4454)Online publication date: 2-May-2023

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