Researchers from the University of Michigan checked how safety perception in a self-governing vehicle is influenced by characteristics of vehicle and rider. Earlier studies suggest contradicting opinion on personality’s role in human-robot interaction. Studies sharing human and robot personality characteristics provided positive interactions whereas studies where humans and robots had dissimilar personalities also provided positive interactions. The ride was safest when both rider and vehicle scored high on the characteristics of agreeableness, conscientiousness and emotional stability. Riders who scored lower than average prefer a car that displayed them.  Riders felt least safe when they scored high in these three characteristics, but the car scored lower.