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- Title
Size congruity effects with two-digit numbers: Expanding the number line?
- Authors
Fitousi, Daniel; Algom, Daniel
- Abstract
The size congruity effect is the interesting result that comparisons of the sizes of the physical formats in which numerals appear are affected by the numerical magnitudes of the respective numerals. We demonstrated that separating the physical and the numerical attributes in space leaves the effect unchanged. We then applied the spatially separated version to two-digit numerals and showed the effect to be comparable to that obtained with single numerals. We showed further that the effect is sensitive to the relative salience of the numeric and physical dimensions, to the extent that when the latter is the more salient dimension, a reverse effect obtains by which physical size interferes with number comparison. The results can be explained by a relative speed of processing account, but they are also compatible with an attention account that does not appeal to the notion of automaticity.
- Subjects
TASK analysis (Education); NUMERICAL analysis; STIMULUS satiation; CONDITIONED response; SPATIAL ability; THOUGHT experiments
- Publication
Memory & Cognition, 2006, Vol 34, Issue 2, p445
- ISSN
0090-502X
- Publication type
Article
- DOI
10.3758/BF03193421