Offline and online automatic number comparison |
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Authors: | Filip Van Opstal Agnes Moors Wim Fias Tom Verguts |
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Institution: | (1) Department of Experimental Psychology, Ghent University, H. Dunantlaan 2, 9000 Ghent, Belgium;(2) Department of Experimental Clinical and Health Psychology, Ghent University, Ghent, Belgium |
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Abstract: | This paper focuses on automatic number processing as instantiated in the size congruity effect. It was recently argued that long-term "associations between individual digits and the attributes 'small' and 'large' create the size congruity effect" (Choplin and Logan 2003, abstract, p. 17). Moreover, these authors proposed the additional assumption that the relevant connections are acquired over a lifetime of experience with numbers. We show that at least one of these assumptions is not true: either the size congruity effect derives from an (online) comparison effect between two numbers at the time of stimulus presentation (violating the first assumption) or the relevant connections flexibly change (offline) between trials during the course of one experimental session (violating the second assumption). |
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