JND is another name for Weber's law.

Name: JND is another name for Weber's law.
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Weber's Law and the Just Noticeable Difference (JND) are related concepts in psychophysics, but they are not the same. Weber's Law describes the proportional relationship between the initial stimulus and the change needed to notice a difference, while JND refers to the minimum difference in stimulus intensity that a person can detect.

JND Is Another Name for Weber's Law