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Article: Exploring the Genetic and Environmental Etiology of High General Cognitive Ability in Fourteen- To Thirty-Six-Month-Old Twins

TitleExploring the Genetic and Environmental Etiology of High General Cognitive Ability in Fourteen- To Thirty-Six-Month-Old Twins
Authors
Issue Date1998
PublisherBlackwell Publishing, Inc. The Journal's web site is located at http://www.blackwellpublishing.com/journals/CDEV
Citation
Child Development, 1998, v. 69 n. 1, p. 68-74 How to Cite?
AbstractAlthough numerous theories have attempted to explain the origins of high general cognitive ability (g), the genetic and environmental etiology of high g during infancy and early childhood has not previously been investigated. We report results of a twin study of high cognitive ability at 14, 20, 24, and 36 months using twins from the more than 600 children participating in the MacArthur Longitudinal Twin Study. High g groups were formed from the ninetieth percentile and above at each age, with IQ equivalent means at or above 126 across the ages. Results suggest increasing genetic influence and increasing genetic stability from 14 to 36 months using DeFries-Fulker multiple regression analyses. However, genetic influences are substantial when examining individuals who possess high g scores averaged across all 4 ages. These results suggest that, although high cognitive ability may be genetically influenced in early childhood, these influences differ in magnitude from 14 to 36 months.
Persistent Identifierhttp://hdl.handle.net/10722/143677
ISSN
2015 Impact Factor: 3.791
2015 SCImago Journal Rankings: 3.116
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorPetrill, SAen_HK
dc.contributor.authorSaudino, Ken_HK
dc.contributor.authorCherny, SSen_HK
dc.contributor.authorEmde, RNen_HK
dc.contributor.authorFulker, DWen_HK
dc.contributor.authorHewitt, JKen_HK
dc.contributor.authorPlomin, Ren_HK
dc.date.accessioned2011-12-16T08:09:23Z-
dc.date.available2011-12-16T08:09:23Z-
dc.date.issued1998en_HK
dc.identifier.citationChild Development, 1998, v. 69 n. 1, p. 68-74en_HK
dc.identifier.issn0009-3920en_HK
dc.identifier.urihttp://hdl.handle.net/10722/143677-
dc.description.abstractAlthough numerous theories have attempted to explain the origins of high general cognitive ability (g), the genetic and environmental etiology of high g during infancy and early childhood has not previously been investigated. We report results of a twin study of high cognitive ability at 14, 20, 24, and 36 months using twins from the more than 600 children participating in the MacArthur Longitudinal Twin Study. High g groups were formed from the ninetieth percentile and above at each age, with IQ equivalent means at or above 126 across the ages. Results suggest increasing genetic influence and increasing genetic stability from 14 to 36 months using DeFries-Fulker multiple regression analyses. However, genetic influences are substantial when examining individuals who possess high g scores averaged across all 4 ages. These results suggest that, although high cognitive ability may be genetically influenced in early childhood, these influences differ in magnitude from 14 to 36 months.en_HK
dc.publisherBlackwell Publishing, Inc. The Journal's web site is located at http://www.blackwellpublishing.com/journals/CDEVen_HK
dc.relation.ispartofChild Developmenten_HK
dc.titleExploring the Genetic and Environmental Etiology of High General Cognitive Ability in Fourteen- To Thirty-Six-Month-Old Twinsen_HK
dc.typeArticleen_HK
dc.identifier.emailCherny, SS: cherny@hku.hken_HK
dc.identifier.authorityCherny, SS=rp00232en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.pmid9499557-
dc.identifier.scopuseid_2-s2.0-0031991255en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0031991255&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume69en_HK
dc.identifier.issue1en_HK
dc.identifier.spage68en_HK
dc.identifier.epage74en_HK
dc.identifier.isiWOS:000072200900006-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridPetrill, SA=7004295289en_HK
dc.identifier.scopusauthoridSaudino, K=7004161005en_HK
dc.identifier.scopusauthoridCherny, SS=7004670001en_HK
dc.identifier.scopusauthoridEmde, RN=7006462025en_HK
dc.identifier.scopusauthoridFulker, DW=7005792286en_HK
dc.identifier.scopusauthoridHewitt, JK=7202713286en_HK
dc.identifier.scopusauthoridPlomin, R=36050187200en_HK

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