On The Quest of Trust Requirements for Socially Assistive Robots

The development and use of Socially Assistive Robots has grown significantly in recent years. Trust can be defined as the user's belief that the robot will fulfil its expected behaviour in a predictable, effective, and secure manner. Hence, trust is one of the critical aspects for their adoption in a social setting. Our goal in this research is to develop a catalogue of trust requirement of Anthropomorphic Socially Assistive Robots. In this paper we describe the process used for the catalogue construction, which resulted in the identification and modelling of 125 requirements (14 main property) in NFR language and Specification Cards. Preliminary validation included its use for the development of Proof-of-Concept application which explores how the NAO Robot could assist in upper limbs motor rehabilitation as well as interview with 8 experts and an assessment with 20 Requirements Engineers. Early results indicate that catalogue effectively supported the elicitation and specification phases of socially assistive anthropomorphic robot projects, facilitating the identification of potential issues from the perspective of Trust. However, several points of improvements were also identified.