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4 results on '"Light, Jacquelyn Gillis"'

1. A Twin Study of Mathematics Disability.

Author

Alarcon, Marciela, DeFries, John C., and Light, Jacquelyn Gillis

Abstract

Comparison of twins (40 identical and 23 fraternal) for mathematics deficits (MD), in which at least one member had a mathematics disability, found evidence for a significant genetic etiology. However, tests for the differential etiology of MD as a function of reading performance level were nonsignificant. (Author/DB)

Published
1997

2. Comorbidity of Reading and Mathematics Disabilities: Genetic and Environmental Etiologies.

Author

Light, Jacquelyn Gillis and DeFries, John C.

Abstract

Data from 148 identical and 111 fraternal twin pairs in which at least 1 member had a reading disability were statistically analyzed. Results suggest that genetic and shared-environment influences both contribute to the observed covariance between reading and mathematical deficits. (Author/DB)

Published
1995

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