The principle that the just noticeable difference of any given sense is a constant fraction or proportion of the stimulus being judged is called ________.
A) the opponent-process principle
B) the doctrine of specific nerve energies
C) the phi phenomenon
D) Weber's law

Question

The principle that the just noticeable difference of any given sense is a constant fraction or proportion of the stimulus being judged is called ________.
A) the opponent-process principle 
B) the doctrine of specific nerve energies
C) the phi phenomenon
D) Weber's law

Quizplus · Accepted Answer

Weber's law is the principle that the just noticeable difference of any given sense is a constant fraction or proportion of the stimulus being judged. It states that the larger the stimulus, the larger the change needed for a person to notice a difference. This law applies to various senses such as vision, taste, and touch.

The Principle That the Just Noticeable Difference of Any Given