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30/01/1929 American cognitive scientist Roger Shepard is born

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He is the inventor of the Universal Law of Generalization. According to it, the probability that a response to one stimulus will be generalized to another will be a function of the distance between the two stimuli. Roger Shepard is also considered a father of research on spatial relations. He invented multidimensional scaling, a method for representing certain kinds of statistical data in one plane.
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