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Article

Observer effects and heritability of childhood attention-deficit hyperactivity disorder symptoms

1 Mar 2002

Abstract excerpt

BACKGROUND: Twin studies have found that childhood attention-deficit hyperactivity disorder (ADHD) has a strong genetic component. Estimates of heritability, the extent of non-additive genetic effects and of 'sibling contrast' effects vary between different studies. AIMS: To use multiple informants to assess the extent to which observer effects influence such estimates in an epidemiological sample of twins....

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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PMID: 11872519
DOI: 10.1192/bjp.180.3.260

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