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Toseeb, Umar; Oginni, Olakunle Ayokunmi; Dale, Philip S. – Journal of Learning Disabilities, 2022
There is considerable variability in the extent to which young people with developmental language disorder (DLD) experience mental health difficulties. What drives these individual differences remains unclear. In the current article, data from the Twin Early Development Study were used to investigate the genetic and environmental influences on…
Descriptors: Language Impairments, Correlation, Psychopathology, Mental Health
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Coventry, William L.; Byrne, Brian; Olson, Richard K.; Corley, Robin; Samuelsson, Stefan – Journal of Learning Disabilities, 2011
The genetic and environmental overlap between static and dynamic measures of preschool phonological awareness (PA) and their relation to preschool letter knowledge (LK) and kindergarten reading were examined using monozygotic and dizygotic twin children (maximum N = 1,988). The static tests were those typically used to assess a child's current…
Descriptors: Twins, Phonological Awareness, Genetics, Kindergarten