WEBER'S LAW
\wˈɛbəz lˈɔː], \wˈɛbəz lˈɔː], \w_ˈɛ_b_ə_z l_ˈɔː]\
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(psychophysics) the concept that a just-noticeable difference in a stimulus is proportional to the magnitude of the original stimulus; "Weber's law explains why you don't notice your headlights are on in the daytime"
By Princeton University
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(psychophysics) the concept that a just-noticeable difference in a stimulus is proportional to the magnitude of the original stimulus; "Weber's law explains why you don't notice your headlights are on in the daytime"
By DataStellar Co., Ltd
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the variation of stimulus which causes the smallest appreciable change in sensation maintains an approximately fixed ratio to the whole stimulus.
By Willam Alexander Newman Dorland
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See under Weber. [Ang.-Sax.]
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The l. that "when a stimulus is continually increased the smallest increase of sensation which we can appreciate remains the same, if the proportion of the increase of stimulus to the whole stimulus remains the same."
By Smith Ely Jelliffe