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Intelligent Transport Systems. 8th International Conference, INTSYS 2024, Pisa, Italy, December 5–6, 2024, Revised Selected Papers

Research Article

Beat Trustfully: The Correlation Between Heart Rate and a Multi-dimensional Trust Questionnaire

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  • @INPROCEEDINGS{10.1007/978-3-031-86370-7_1,
        author={Saeedeh Mosaferchi and Rosaria Califano and Giuseppe Pica and Luca Orlando and Francesco Villecco and Alessandro Naddeo},
        title={Beat Trustfully: The Correlation Between Heart Rate and a Multi-dimensional Trust Questionnaire},
        proceedings={Intelligent Transport Systems. 8th International Conference, INTSYS 2024, Pisa, Italy, December 5--6, 2024, Revised Selected Papers},
        proceedings_a={INTSYS},
        year={2025},
        month={4},
        keywords={Autonomous vehicles Trust Heart Rate Stress Multi-dimensional questionnaire},
        doi={10.1007/978-3-031-86370-7_1}
    }
    
  • Saeedeh Mosaferchi
    Rosaria Califano
    Giuseppe Pica
    Luca Orlando
    Francesco Villecco
    Alessandro Naddeo
    Year: 2025
    Beat Trustfully: The Correlation Between Heart Rate and a Multi-dimensional Trust Questionnaire
    INTSYS
    Springer
    DOI: 10.1007/978-3-031-86370-7_1
Saeedeh Mosaferchi1, Rosaria Califano1, Giuseppe Pica1, Luca Orlando1, Francesco Villecco1, Alessandro Naddeo1,*
  • 1: University of Salerno, Via Giovanni Paolo II, 132, 84084
*Contact email: anaddeo@unisa.it

Abstract

Background:Both industries and academia are paying deep attention to the concept of trust in automation since it is significant that creates people’s desire to use and buy autonomous cars.

Objectives:Regarding the previously introduced trust questionnaire by our research team, this study was conducted to present more objective insights of this questionnaire to show its convergent validity based on the physiological data.

Methods:Using a dynamic driving simulator, the 8-step experiment was performed on 29 min with 21 participants. The steps provided building, improvement, destruction, and re-building of trust. The experiment contained both manual and autonomous driving. Subjects completed stress and trust scales regarding the experience they performed. Finally, they answered to the trust questionnaire; their heart rate was acquired throughout the experiment.

Results:The Mean ± SD of participants’ trust score was 139 ± 5.76. Self-driving car’s unsafe behaviors were accompanied by a rise in the individuals’ heart rates (objective metrics of stress). Throughout the two phases of fastest and riskiest parts of the scenario, people felt the highest stress (6 out of 10) and the least trust (4.33 out of 10), that were obtained from the mentioned one question scale.

Conclusion:Regarding the results, the mean score of people’s trust from our multi-dimensional questionnaire is far from the desired score, which is 235. Objective (heart rate) and other subjective data (stress and trust) confirmed that the participants’ trust in an autonomous vehicle was low. So, it can be claimed that there is a consistency between subjective and objective data with the results of our comprehensive trust questionnaire.

Keywords
Autonomous vehicles Trust Heart Rate Stress Multi-dimensional questionnaire
Published
2025-04-03
Appears in
SpringerLink
http://dx.doi.org/10.1007/978-3-031-86370-7_1
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