 Just by asking questions, like in court cases where, or eyewitness testimony, you ask people, you show them a video of a car crash and you say, to one group, estimate the speed at which the cars were traveling when they collided. The second group, estimate the speed at which the cars were traveling when they smashed into each other. The smashed in group gets a higher rate of speed. Or you show somebody a short video of somebody sitting on a park bench and