"People have preferred social distances from others during interaction and their proximity shapes engagement. This is true for human-robot interaction as well. The way a robot moves can also convey information to a user -- humans quickly perceive apparent goal-directed behaviour from robot motion."
"The experiment took place in 'Sparks Bristol' where members of the public were teamed up with two mobile rover robots... They found statistical evidence that synchronisation between human and robot movement over time... is related to changes in self-reported trust."
"The team predicted that if robots can move alongside humans in a synchronised way it would build trust -- and conversely, that if a user distrusts a robot, the co-movement will be disrupted."
"This means movement could potentially be used by the robots as a marker for problems with their user's trust in them, and they could take pre-emptive action to improve or restore trust."
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