The principle that two stimuli must differ by a constant minimum proportion for their difference to be perceived is known as
A) prosopagnosia.
B) Weber's law.
C) signal detection.
D) sensory adaptation.

Question

Quizplus · Accepted Answer

The principle described is Weber's law, which states that the minimum noticeable difference between two stimuli is based on a constant proportion of the original stimulus.

The Principle That Two Stimuli Must Differ by a Constant