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Grissmer, David; Grimm, Kevin J. – Society for Research on Educational Effectiveness, 2013
Duncan et al. (2007) presented a new methodology for identifying kindergarten readiness factors and quantifying their importance by determining which of children's developing skills measured around kindergarten entrance would predict later reading and math achievement. The main objectives of this paper are threefold: (a) provide new empirical…
Descriptors: Evidence, Intervention, Developmental Psychology, Cognitive Psychology
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Roisman, Glenn I.; Fraley, R. Chris – Child Development, 2006
This report presents data on 9-month-old twin pairs (n[MZ]=172; n[DZ]=333) from the Early Childhood Longitudinal Study, demonstrating that the role of genetic variation among infants is trivial and the shared and nonshared environment is substantial in accounting for the observed quality of infant-caregiver relationships. In contrast, maternal…
Descriptors: Genetics, Caregiver Child Relationship, Infants, Twins