Attention deficit disorder in reading-disabled twins: Evidence for a genetic etiology
β Scribed by Jacquelyn J. Gillis; Jeffrey W. Gilger; Bruce F. Pennington; John C. DeFries
- Publisher
- Springer US
- Year
- 1992
- Tongue
- English
- Weight
- 765 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0091-0627
No coin nor oath required. For personal study only.
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## Abstract A community sample of twins in which at least one member of each pair exhibited significant reading difficulties (99 monozygotic and 80 dizygotic pairs) or symptoms of attentionβdeficit/hyperactivity disorder (ADHD; 83 monozygotic and 78 dizygotic pairs) was used to test the etiology of
## AF#lRAcT: The basic multiple regression model for the analysis of selected twin data (DeFries and Fulker 1985, 1988) was fitted to spelling data from 100 pairs of MZ twins and 71 pairs of same-sex DZ twins tested in the Colorado Reading Project (DeFries, Olson, Pemrington and Smith 1991), and t