Introduction to Psychology 10th Edition by Rod Plotnik,Haig Kouyoumdjian

Exercise 18

Although the physical qualities of stimuli may change, you may perceive them as remaining the same because of (a) _____. For example, as a car drives away from you, its image on your retina becomes smaller but you know that the car does not shrink in size because of (b) _____ constancy. When you close a door, its shape on your retina changes from a rectangle to a trapezoid, but you perceive the door as remaining the same because of (c) _____ constancy. If you had a bright red car, it would appear red in bright light and still appear to be red in dimmer light because of (d) _____ constancy.