期刊
INTELLIGENCE
卷 68, 期 -, 页码 58-65出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.intell.2018.03.003
关键词
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资金
- National Institutes of Health [MH064065, MH070890, HD053000, T32-MH106440, T32-HD07376]
- EUNICE KENNEDY SHRIVER NATIONAL INSTITUTE OF CHILD HEALTH & HUMAN DEVELOPMENT [T32HD007376, R01HD053000] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE OF MENTAL HEALTH [U01MH070890, P50MH064065, T32MH106440, R01MH111944, R01MH070890] Funding Source: NIH RePORTER
Intelligence is an important individual difference factor related to mental health, academic achievement, and life success, yet there is a lack of research into its early cognitive predictors. This study investigated the predictive value of infant developmental assessment scores for school-age intelligence in a large, heterogeneous sample of single-and twin-born subjects (N = 521). We found that Early Learning Composite (ELC) scores from the Mullen Scales of Early Learning have similar predictive power to that of other infant tests. ELC scores at age 2 were predictive of Stanford-Binet abbreviated intelligence (ABIQ) scores at age 6 (r = 0.46) even after controlling for sex, gestation number, and parental education. ELC scores at age 1 were less predictive of 6-year ABIQ scores (r = 0.17). When the sample was split to test robustness of findings, we found that results from the full sample replicated in a subset of children born at >= 32 weeks gestation without birth complications (n = 405), though infant cognitive scores did not predict IQ in a subset born very prematurely or with birth complications (n = 116). Scores at age 2 in twins and singletons showed similar predictive ability for scores at age 6, though twins had particularly high correlations between ELC at age 1 and ABIQ at age 6.
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