2015
Language development of internationally adopted children: Adverse early experiences outweigh the age of acquisition effect
Rakhlin N, Hein S, Doyle N, Hart L, Macomber D, Ruchkin V, Tan M, Grigorenko EL. Language development of internationally adopted children: Adverse early experiences outweigh the age of acquisition effect. Journal Of Communication Disorders 2015, 57: 66-80. PMID: 26385197, DOI: 10.1016/j.jcomdis.2015.08.003.Peer-Reviewed Original ResearchConceptsLength of institutionalizationAdverse early experiencesBiological familiesAge expectationsChild outcomesReceptive language measuresNon-verbal IQNon-adopted peersEarly literacy developmentReceptive vocabularyLanguage measuresSecond time pointCognitive skillsEarly experienceLanguage outcomesAcquisition effectsLanguage acquisitionLanguage developmentMore outcome measuresChildren's capacityPotential primacyFirst languageAdoptive familiesAdoptive languageStandardized measures
2007
Exploring interactive effects of genes and environments in etiology of individual differences in reading comprehension
Grigorenko EL, Deyoung CG, Getchell M, Haeffel GJ, Klinteberg BA, Koposov RA, Oreland L, Pakstis AJ, Ruchkin VV, Yrigollen CM. Exploring interactive effects of genes and environments in etiology of individual differences in reading comprehension. Development And Psychopathology 2007, 19: 1089-1103. PMID: 17931436, DOI: 10.1017/s0954579407000557.Peer-Reviewed Original ResearchConceptsIndividual differencesReading-related processesHigher-order cognitive skillsCatechol-O-methyltransferase (COMT) geneExecutive functioningCognitive processesCognitive skillsComprehension difficultiesAdolescent delinquentsMaternal rejectionComprehensionMain effectInteractive effectsImportant predictorCOMTHierarchical logistic regression modelsDelinquentsFunctioningSkillsReadingSuch processesInteraction termsPresence/absenceDifferencesPredictors