Key points are not available for this paper at this time.
Jeanne Brooks-Gunn, Pamela K. Klebanov, Greg J. Duncan, Ethnic Differences in Children's Intelligence Test Scores: Role of Economic Deprivation, Home Environment, and Maternal Characteristics, Child Development, Vol. 67, No. 2 (Apr., 1996), pp. 396-408
Brooks‐Gunn et al. (Mon,) studied this question.