Search results
Results From The WOW.Com Content Network
Both Weber's law and Fechner's law were formulated by Gustav Theodor Fechner (1801–1887). They were first published in 1860 in the work Elemente der Psychophysik ( Elements of Psychophysics ). This publication was the first work ever in this field, and where Fechner coined the term psychophysics to describe the interdisciplinary study of how ...
Weber's law has important applications in marketing. Manufacturers and marketers endeavor to determine the relevant JND for their products for two very different reasons: so that negative changes (e.g. reductions in product size or quality, or increase in product price) are not discernible to the public (i.e. remain below JND) and
His experiments were intended to determine the absolute and difference, or differential, thresholds. Weber was able to define absolute and difference threshold statistically, which led to the establishment of Weber's Law and the concept of just noticeable difference to describe threshold perception of stimuli.
According to Weber, the ability to possess power derives from the individual's ability to control various "social resources". "The mode of distribution gives to the propertied a monopoly on the possibility of transferring property from the sphere of use as 'wealth' to the sphere of 'capital,' that is, it gives them the entrepreneurial function and all chances to share directly or indirectly in ...
It is often considered to supersede the Weber–Fechner law, which is based on a logarithmic relationship between stimulus and sensation, because the power law describes a wider range of sensory comparisons, down to zero intensity. [1] The theory is named after psychophysicist Stanley Smith Stevens (1906–1973).
The oldest quantitative laws in psychology are Weber's law, which states that the smallest noticeable difference in stimulus intensity is proportional to the intensity of the reference; and Fechner's law, which quantifies the relationship between the intensity of the physical stimulus and its perceptual counterpart (e.g., testing how much ...
Thurstone showed that in terms of his conceptual framework, Weber's law and the so-called Weber-Fechner law, which are sometimes (and misleadingly) regarded as one and the same, are independent, in the sense that one may be applicable but not the other to a given collection of experimental data.
Ernst Weber’s first direct contribution to psychology came in 1834 when trying to describe the sensation of touch (De Pulsu, Resorptione, Auditu et Tactu. Leipzig 1834). Leipzig 1834). [ 4 ] [ 5 ] He was professor of physiology and anatomy from 1840 to 1866, and returned to the position of professor of anatomy from 1866 to 1871.