Journal
CHILD DEVELOPMENT
Volume 84, Issue 4, Pages 1209-1225Publisher
WILEY
DOI: 10.1111/cdev.12058
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Funding
- NICHD NIH HHS [U10 HD025420, U10-HD25420] Funding Source: Medline
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Data from 508 Caucasian children in the NICHD Study of Early Child Care and Youth Development shows that the DRD4 (but not 5-HTTLPR) polymorphism moderates the effect of child-care quality (but not quantity or type) on caregiver-reported externalizing problems at 54months and in kindergarten and teacher-reported social skills at kindergarten and first gradebut not thereafter. Only children carrying the 7-repeat allele proved susceptible to quality-of-care effects. The behavior-problem interactions proved more consistent with diathesis-stress than differential-susceptibility thinking, whereas the reverse was true of the social-skills' results. Finally, the discerned Gene x Environment interactions did not account for previously reported parallel ones involving difficult temperament in infancy.
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