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

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

Cocktail-Party Effect

The ability of individuals to focus their attention on a single speaker among a noise of conversations and background sounds.

Perceptual Attention

The cognitive process that allows an individual to concentrate on important sensory information while ignoring other irrelevant data.

Selectivity

The process or action of specifically choosing or preferring one option over others, often based on distinct criteria or preferences.