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Coon, Hilary; And Others – Intelligence, 1993
Data from the Colorado Adoption Project for 493 first-grade adopted and nonadopted children are used to separate parental intelligence quotient (IQ) from the effects of school environment. Several of the variables show direct environmental associations with reading and mathematics achievement independent of effects of parental IQ. (SLD)
Descriptors: Academic Achievement, Adopted Children, Comparative Testing, Educational Environment