WEBER'S LAW • DICTIONARY ONE.COM • Definition of Weber's law

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/vˈeɪbərz lɔ/ Listen

Weber's law

noun

(psychophysics) the concept that a just-noticeable difference in a stimulus is proportional to the magnitude of the original stimulus.

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Etymology of 'Weber's law'

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"Weber's law" Quotes from Famous Books

... Concomitant Variations may hold good only within certain limits. That bodies contract as the temperature falls, is not true of water below 39 deg. F. In Psychology, Weber's Law is only true within the median range of sensation-intensities, not for very faint, nor for very strong, stimuli. In such cases the failure of the laws may depend upon something imperfectly understood in the collocation: as to water, on its molecular constitution; as to sensation, ...

— Logic - Deductive and Inductive • Carveth Read

... The statement of "Weber's Law*' was first made in articles by Weber contributed to Wagner's Handwarter-buch der Physiologie, but is again stated and elaborated in Fechner's Psychophysik. (See Fechner.) Weismann, August. ...

— A History of Science, Volume 5(of 5) - Aspects Of Recent Science • Henry Smith Williams