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Jomills Henry Braddock, II, Marvin P. Dawkins, Ability Grouping, Aspirations, and Attainments: Evidence from the National Educational Longitudinal Study of 1988, The Journal of Negro Education, Vol. 62, No. 3 (Summer, 1993), pp. 324-336
Braddock et al. (Fri,) studied this question.
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