High heritability of speech and language impairments in 6-year-old twins demonstrated using parent and teacher report.

Journal article

Previous twin studies have demonstrated high heritability of specific language impairment (SLI) when the diagnosis is based on psychometric testing. The current study measured the effectiveness of parent and teacher ratings of communication skills in identifying heritable language impairment. The Children's Communication Checklist was completed by parents and teachers of 6-year-old twins recruited from a general population sample. One hundred and thirty twin pairs (65 MZ) were selected becaus...

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Authors: Bishop, D; Laws, G; Adams, C; Norbury, C

• Publication status: Published
• Journal: Behavior genetics
• Volume: 36
• Issue: 2
• Pages: 173-184
• Publication date: 2006-03-01
• DOI: 10.1007/s10519-005-9020-0
• EISSN: 1573-3297
• ISSN: 0001-8244
• Language: English
• Keywords: England; Twins, Dizygotic; Needs Assessment; Speech Disorders; Observer Variation; Wales; Reproducibility of Results; Child, Preschool; Follow-Up Studies; Humans; Female; Diseases in Twins; Twins, Monozygotic; Risk Assessment; Male; Child; Language Development Disorders