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Fullerton–Cattell law

a psychophysical generalization regarding the difference threshold, stating that errors of observation are proportional to the square root of the magnitude of the stimulus. The Fullerton–Cattell law was proposed in 1892 as a replacement for Weber’s law. [George S. Fullerton (1859–1925), U.S. philosopher; James McKeen Cattell]

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Psychology term of the day

November 28th 2024

postural reflex

postural reflex

any of a variety of automatic movements that serve to maintain body posture. See also stance reflex.