Initial validation of the trust of automated systems test (TOAST)

Trust is a key determinant of whether people rely on automated systems in the military and the public. However, there is currently no standard for measuring trust in automated systems. In the present studies, we propose a scale to measure trust in automated systems that is grounded in current resear...

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Bibliographic Details
Published in:The Journal of social psychology 2020-11, Vol.160 (6), p.735-750
Main Authors: Wojton, Heather M., Porter, Daniel, T. Lane, Stephanie, Bieber, Chad, Madhavan, Poornima
Format: Article
Language:English
Subjects:
Adult
Armed forces
Automation
Confirmatory Factor Analysis
Female
Human-Machine Trust
Humans
Male
Man-Machine Systems
Measures
Military Personnel - psychology
Reliability
Reproducibility of Results
Surveys and Questionnaires
Trust
Trust - psychology
Trust in Automation
Trust Scale
Validity
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Summary:Trust is a key determinant of whether people rely on automated systems in the military and the public. However, there is currently no standard for measuring trust in automated systems. In the present studies, we propose a scale to measure trust in automated systems that is grounded in current research and theory on trust formation, which we refer to as the Trust in Automated Systems Test (TOAST). We evaluated both the reliability of the scale structure and criterion validity using independent, military-affiliated and civilian samples. In both studies we found that the TOAST exhibited a two-factor structure, measuring system understanding and performance (respectively), and that factor scores significantly predicted scores on theoretically related constructs demonstrating clear criterion validity. We discuss the implications of our findings for advancing the empirical literature and in improving interface design.
ISSN:0022-4545
1940-1183
DOI:10.1080/00224545.2020.1749020