Article
Hyperactivity and Spelling Disability: Testing for Shared Genetic Aetiology
1 Oct 1993
Abstract excerpt
The influence of genetic factors in the comorbidity of spelling disability and hyperactivity was investigated in two samples of 190 and 260 same sex twin pairs. The method of bivariate group heritability was used to estimate the genetic correlation for spelling disability and hyperactivity. A similar though not statistically significant value for the genetic correlation was obtained for the two samples (0.29 and...
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