Fig. 11From: Talking to your car can drive you to distractionMean ratings of intuitiveness (i.e., “how intuitive, usable, and easy was it to use the system”) for the different IVIS systems on a 21-point scale where 1 reflects “not at all” and 21 reflects “very much”. Error bars reflect the 95 % confidence interval around the point estimateBack to article page