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Hewage, Chandana; Bohlin, Gunilla; Wijewardena, Kumudu; Lindmark, Gunilla – Developmental Science, 2011
Mothers in Sri Lanka are increasingly seeking overseas employment, resulting in disruption of the childcare environment. The present study was designed to evaluate the effects of maternal migration on executive function (EF) and behavior, thereby also contributing to the scientific understanding of environmental effects--or more specifically…
Descriptors: Foreign Countries, Children, Mothers, Overseas Employment
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Asbury, Kathryn; Dunn, Judith F.; Plomin, Robert – Developmental Science, 2006
This longitudinal monozygotic (MZ) twin differences study explored associations between birthweight and early family environment and teacher-rated behaviour problems and academic achievement at age 7. MZ differences in anxiety, hyperactivity, conduct problems, peer problems and academic achievement correlated significantly with MZ differences in…
Descriptors: Behavior Problems, Academic Achievement, Hyperactivity, Effect Size