When the traffic light changed from red to green, the drivers on both sides of Leon's vehicle pulled quickly forward, giving Leo
n the disorienting feeling that his car was rolling backwards. Which principle explains Leon's misperception?A) relative motionB) continuityC) visual captureD) proximity
As the name suggests, relative motion refers to the perceived velocity of a point in relation to another.
Some more instances would be the perceived velocity of a car if you're standing the next to the road (the car moves fast), if you're driving a car and moving at the same speed (the other car appears static) or if you're driving the opposite direction (the other car appars to move at double the speed).
It's important to notice that relative motion can be positve or negative.
A case–control study is a type of observational study in which two existing groups differing in outcome are identified and compared on the basis of some supposed causal attribute