+**Weber's Law** reveals that the smallest perceptible change in a [stimulus](/wiki/stimulus) is not an absolute value, but a constant proportion of the initial stimulus magnitude. This foundational concept in [psychophysics](/wiki/psychophysics) illuminates how our senses detect relative differences, not absolute ones.
+## See also
+- [Just Noticeable Difference](/wiki/just_noticeable_difference)
+- [Fechner's Law](/wiki/fechner's_law)
+- [Sensation](/wiki/sensation)
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