Abstract
For a successful market introduction of Level 3 Automated Driving Systems (L3 ADS), a careful evaluation of human–machine interfaces (HMIs) is necessary. User preference has often focused on usability, user experience, acceptance and trust. However, a thorough evaluation of measures when applied to ADS HMIs is missing. We investigated the appropriateness of nine self-reported measures in terms of reliability and validity. A sample of N = 57 participants completed two 15-min simulator drives with a L3 ADS. They experienced two variations of a HMI that differed in the degree of complying with common guidelines. Consistency analysis identified scales that showed insufficient reliability. Validity examination revealed a three-factorial structure of self-reports for construct validity. These factors are design-orientation, usability-orientation and acceptance-orientation. All measures were sensitive to the HMI manipulation and therefore exhibited criterion-related validity. The present study provides researchers and practitioners in the area of ADS with a recommendation for self-report measure application.
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Forster, Y., Hergeth, S., Naujoks, F. et al. Self-report measures for the assessment of human–machine interfaces in automated driving. Cogn Tech Work 22, 703–720 (2020). https://doi.org/10.1007/s10111-019-00599-8
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DOI: https://doi.org/10.1007/s10111-019-00599-8