Comparison of small sets and number word comprehension
- Elisabeth Marchand, Department of Psychology, University of California San Diego, La Jolla, California, United States
AbstractHumans can encode number both using non-verbal and verbal systems of representation. Here, we investigated the relationship between 2- and 3-year-old children’s (N=122) understanding of number words and their ability to compare sets of small sizes (e.g., 2 vs 3) to test whether the acuity of small number representations changes as a function of number word comprehension. Children’s comprehension of number words was measured using Wynn’s (1990) Give-Number task, while small number discrimination was measured using a computerized adaptation of Feigenson and Carey’s (2005) crawling preference paradigm. We found that children were able to compare small sets within and beyond the small number range, independent of how objects are presented (i.e., simultaneously vs sequential). We also found no relation between this ability and children's comprehension of number words (i.e., knower-level), which argues against the hypothesis that non-verbal number acuity is related to the acquisition of verbal labels for exact number.
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