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psychophysical methods

Methods for the quantitative study of the relations between physical stimulus magnitudes and the corresponding magnitudes of sensation, for example, between the physical intensity of a light and its perceived brightness or the concentration of a sugar solution and its observed sweetness. To establish these relations measurement scales are needed, not only for physical magnitudes but also for subjective magnitudes. Subjective scales are, of course, not obtained directly from observation. They are theoretical models which summarize observed relations between stimuli and responses.

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  • Francisb
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