1. The Ames room, in which people are seen to get smaller or enlarge as they move about, demonstrates that our perception of the world depends strongly on

A. the assumptions we make about it
B. the actual, distal stimuli
C. the proximal stimulus elements
D. bottom-up processing

2. Perceptual constancy refers to

A. the same thing as functional fixedness
B. our perception of objects remaining stable despite the fact that sensory information changes
C. the existence of schemas that guide our perceptions
D. visual fields in the retina that allow our perception of the world to remain stable