期刊
THEORETICAL ISSUES IN ERGONOMICS SCIENCE
卷 22, 期 3, 页码 274-295出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/1463922X.2020.1766596
关键词
Psychometrics; measurement theory; trust; automation; level of measurement; scale of measure
类别
资金
- Air Force Research Lab/Universal Technology Corporation [FA8650-1.6-C-2642, 18-S8401-13-C1]
Psychometrics are increasingly used to evaluate trust in automation, with no consensus on the highest level of measurement for trust. This study introduces a new method to determine the maximum level of measurement for psychometrically assessed phenomenon, finding that trust is best represented at an ordinal level and can be treated as interval in most cases, but unlikely to be considered ratio. These results have implications for future research on trust in automation.
Psychometrics are increasingly used to evaluate trust in the automation of systems, many of them safety-critical. There is no consensus on what the highest level of measurement is for trust. This is important as the level of measurement determines what mathematics and statistics can be meaningfully applied to ratings. In this work, we introduce a new method for determining what the maximum level of measurement is for psychometrically assessed phenomenon. We use this to determine the level of measurement of trust in automation using human ratings about the behaviour of unmanned aerial systems performing search tasks. Results show that trust is best represented at an ordinal level and that it can be treated as interval in most situations. It is unlikely that trust in automation can be considered ratio. We discuss these results, their implications, and future research.
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