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W. Patrick Dickson, Robert D. Hess, Naomi Miyake, Hiroshi Azuma, Referential Communication Accuracy between Mother and Child as a Predictor of Cognitive Development in the United States and Japan, Child Development, Vol. 50, No. 1 (Mar., 1979), pp. 53-59
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Dickson et al. (1979) studied this question.
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