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Chaos in the Home and Socioeconomic Status Are Associated with Cognitive Development in Early Childhood: Environmental Mediators Identified in a Genetic Design
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Petrill, Stephen A.; Pike, Alison; Price, Tom; Plomin, Robert – Intelligence, 2004
The current study examined whether socioeconomic status (SES) and chaos in the home mediate the shared environmental variance associated with cognitive functioning simultaneously estimating genetic influences in a twin design. Verbal and nonverbal cognitive development were assessed at 3 and 4 years for identical and same-sex fraternal twin pairs…
Descriptors: Socioeconomic Status, Language Acquisition, Genetics, Cognitive Development