information to the driver in real time, inducing the driver to react. It’s a loop of action, information, reaction. When the reaction is measured, a new loop begins, and so on and so on. Given the immediate change in a driver’s behavior after just one glance at an RSD, it’s easy to imagine the immense utility of feedback loops in changing people’s behavior. A feedback loop comprises four stages: evidence, relevance, consequence, and action.
