Abstract
In addition to its primary linguistic function, the Hebrew alphabet is sometimes used as a means of number notation (i.e., the system of gematria). Hebrew letters, Arabic numerals, Hebrew number names, and Hebrew letter names were used in a numerical size comparison task, in which two visually presented symbols were compared for numerical value while irrelevant variations in their physical size had to be ignored. A size congruity effect, indicated by faster responses when differences in physical and numerical size were consistent, was larger for Arabic numerals than for number names. The effect for Hebrew letters was similar to that for Arabic numerals and was stronger than that observed for letter names. These results suggest flexible processing of Hebrew letters, so that they function as ideographic symbols in an arithmetic context. A distance effect, indicated by an inverse relationship between reaction time and numerical distance, was found for all notations but was particularly strong for Hebrew letters.
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This research was conducted at the Institute of Information Processing and Decision Making, University of Haifa.
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Razpurker-Apfeld, I., Koriat, A. Flexible mental processes in numerical size judgments: The case of hebrew letters that are used to convey numbers. Psychonomic Bulletin & Review 13, 78–83 (2006). https://doi.org/10.3758/BF03193816
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DOI: https://doi.org/10.3758/BF03193816