Effects of a Social Robot's Autonomy and Group Orientation on Human Decision-Making

Table 1

Typical subjective attitudes towards a robot and the respective measurements.

Measure	Description	Instrument
Trust	To assess the attitude that an agent will help achieve an individual's goals in a situation characterized by uncertainty and vulnerability	Individualized trust scale [22]; Subscale of the relational communication scale [23]
Credibility	To assess the quality of feedback from the system	D. K Berlo's source credibility scale [24]; McCroskey's source credibility scale [25]
Workload	To assess human perceptions of cognitive load	NASA-task load index [26]