Polarity correspondence in comparative number magnitude judgments |
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Authors: | Rolf Reber Pascal Wurtz Marit Knapstad Linn Vathne Lervik |
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Affiliation: | (1) Institute of Psychology, Eberhard Karls University, Friedrichstrasse 21, 72072 Tuebingen, Germany;(2) Knowledge Media Research Center, Konrad Adenauer Strasse 40, 72072 Tuebingen, Germany;(3) Section Neuropsychology, Department of Neurology, University Hospital, RWTH Aachen University, Aachen, Germany |
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Abstract: | When asked which of two digits is greater, participants respond more quickly if physical size corresponds to number magnitude, such as in 3 7, than when the two attributes contradict each other, such as in 3 7. This size congruence effect in comparative number judgments is a well-documented phenomenon. We extended existing findings by showing that this effect does not depend on physical size of the number alone but can be observed with number symmetry. In addition, we observed that symmetric numbers are judged as being smaller than asymmetric numbers, which renders an interpretation of the number symmetry congruence effect in terms of physical size implausible. We refer to the polarity correspondence principle (Proctor & Cho, 2006) to explain the present findings. |
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