Perceptual constancy refers to one's ability to __________.

A) see figures standing out against a background
B) resolve ambiguities in stimuli patterns
C) perceive depth in paintings
D) perceive objects as invariant despite changes in sensory activity

Suffering from a traumatic experience can be considered a(n) ________ for psychological disorders.

A) risk factor
B) protective factor
C) eliminating variable
D) eradicating influence

Which aspect of perceptual attention is best illustrated by the cocktail-party effect?

A) ambiguity
B) constancy
C) adaptation
D) selectivity