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Jordan, Nancy C.; Kaplan, David; Ramineni, Chaitanya; Locuniak, Maria N. – Developmental Science, 2008
Children's change over time in frequency of finger use on number combinations was examined in relation to their change in accuracy. Performance was tracked longitudinally over 11 time points, from the beginning of kindergarten (mean age = 5.7 years) to the end of second grade (n= 217). Accuracy in number combinations increased steadily during the…
Descriptors: Low Income Groups, Middle Class, Females, Kindergarten