Human and AI Trust: Trust Attitude Measurement Instrument Development

Larasati, Retno; De Liddo, Anna and Motta, Enrico (2023). Human and AI Trust: Trust Attitude Measurement Instrument Development. In: Workshop on Trust and Reliance in AI-Assisted Tasks (TRAIT) at CHI 2023, 23 Apr 2023, Hamburg, Germany.



With the current progress of Artificial Intelligence (AI) technology and its increasingly broader applications, trust is seen as a required criterion for AI usage, acceptance, and deployment. A robust measurement instrument is essential to correctly evaluate trust from a human-centered perspective. This paper describes the development and validation process of a trust measure instrument, which follows psychometric principles, and consists of a 16-items trust scale. The instrument was built explicitly for research in human-AI interaction to measure trust attitudes towards AI systems from layperson (non-expert) perspective, in the context of AI medical support systems (specifically cancer/health prediction). The results of the six-stages evaluation show that the proposed trust measurement instrument is empirically reliable and valid for systematically measuring and comparing non-experts’ trust in AI medical support systems.

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