The Power Law as a Special Case of Fechner's Law


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Abstract

Ekman has suggested that, if Fechner's law held for both the stimulus dimension being investigated and number, power functions would result from magnitude estimation procedures. It is shown that his argument implies that the exponents in these functions would depend on both the choice of the modular stimulus and the number to be assigned to it. Existing data are inconsistent with the predicted form of this dependence.

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