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Tosto, Maria G.; Hayiou-Thomas, Marianna E.; Harlaar, Nicole; Prom-Wormley, Elizabeth; Dale, Philip S.; Plomin, Robert – Developmental Psychology, 2017
This study examines the genetic and environmental etiology underlying the development of oral language and reading skills, and the relationship between them, over a long period of developmental time spanning middle childhood and adolescence. It focuses particularly on the differential relationship between language and two different aspects of…
Descriptors: Twins, Genetics, Reading Fluency, Structural Equation Models
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Peterson, Robin L.; Boada, Richard; McGrath, Lauren M.; Willcutt, Erik G.; Olson, Richard K.; Pennington, Bruce F. – Journal of Learning Disabilities, 2017
The current study tested a multiple-cognitive predictor model of word reading, math ability, and attention in a community-based sample of twins ages 8 to 16 years (N = 636). The objective was to identify cognitive predictors unique to each skill domain as well as cognitive predictors shared among skills that could help explain their overlap and…
Descriptors: Twins, Children, Adolescents, Predictor Variables
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Vaske, Jamie; Newsome, Jamie; Boisvert, Danielle – Infant and Child Development, 2013
Prenatal and perinatal risk factors, such as low birth weight, have been linked to higher levels of aggressive and destructive behaviours during childhood. Although low birth weight is associated with childhood externalizing behaviour, the mechanisms underlying this relationship remain open to empirical investigation. The current study extends the…
Descriptors: Aggression, Child Behavior, Behavior Problems, Prenatal Influences