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Psychophysical Methods Psychophysical Methods

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Weber’s law<br />

• Below is a plot of some hypothetical data showing<br />

Weber's Law. The slope of the line is the Weber fraction.<br />

11/11/2008 IIT <strong>Psychophysical</strong> <strong>Methods</strong><br />

∆Φ/ Φ =c<br />

For a fairly wide<br />

range of stimulus<br />

intensities

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