THE OHIO STATE UNIVERSITY

Your time and effort over the years have helped progress and enhance our research!... This study involves measures of approximate number sense (ANS), which is the ability to accurately compare quantities without using typical symbols used in mathematics. This study aimed to examine the relationship among approximate number sense, math achievement, and general cognitive ability using two different twin samples. It explored genetic factors as well as both shared and non-shared environmental factors. Shared being an aspect of the environment that twins have in common, and non-shared being something that differs between their environments. In both samples, the results suggested that individual differences in approximate number sense ability were due partially to significant genetic factors. The genetic factors associated with approximate number sense were also shared with those factors that accounted for individual math skills. The majority of the correlation between approximate number..

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