Question 1
It's a beautiful day, with just a few clouds in a deep blue sky. The fact that the clouds look closer to you than the sky is an example of
◦ color afterimages.
◦ change blindness.
◦ perception of figure and ground.
◦ the law of proximity.
Question 2
Lightness constancy works because the
◦ percentage of light an object reflects remains about the same even as the absolute amount of light changes.
◦ absolute amount of light that an object reflects remains constant across all environments.
◦ visual system has evolved to ignore the percentage of light that an object reflects.
◦ retinal image of an object remains constant even when the object is placed in different locations.