Children's Conformity to the Cardinality Rule as a Function of Set Size and Counting Accuracy
Karen C. Fuson, Geraldine G. Pergament, Barbara Greenberg Lyons, James W. Hall · Child Development · 1985
Karen C. Fuson, Geraldine G. Pergament, Barbara G. Lyons, James W. Hall, Children's Conformity to the Cardinality Rule as a Function of Set Size and Counting Accuracy, Child Development, Vol. 56, No. 6 (Dec., 1985), pp. 1429-1436