Meaning | The branch of psychology concerned with quantitative relations between physical stimuli and their psychological effects. |
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Category of | Fechner's law, Weber-Fechner law | (psychophysics) the concept that the magnitude of a subjective sensation increases proportional to the logarithm of the stimulus intensity |
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Stevens' law, power law, Stevens' power law | (psychophysics) the concept that the magnitude of a subjective sensation increases proportional to a power of the stimulus intensity |
Weber's law | (psychophysics) the concept that a just-noticeable difference in a stimulus is proportional to the magnitude of the original stimulus |
just-noticeable difference, jnd | (psychophysics) the difference between two stimuli that (under properly controlled experimental conditions) is detected as often as it is undetected |
Broader | experimental psychology, psychonomics | The branch of psychology that uses experimental methods to study psychological issues |
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Spanish | psicofísica |
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Catalan | psicofísica |
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Nouns | psychophysicist | a psychologist trained in psychophysics |
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