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Titolo:
Longitudinal genetic analysis of problem behaviors in biologically relatedand unrelated adoptees
Autore:
van der Valk, JC; Verhulst, FC; Neale, MC; Boomsma, DI;
Indirizzi:
Sophiaandsldrens Hosp, Dept Child & Adolescent Psychiat, Rotterdam, Netherl Sophia Childrens Hosp Rotterdam Netherlands sychiat, Rotterdam, Netherl Virginia23298onwealth Univ, Med Coll Virginia, Dept Psychiat, Richmond, VAVirginia Commonwealth Univ Richmond VA USA 23298 t Psychiat, Richmond, VA Free Univ Amsterdam, Dept Psychonom, Amsterdam, Netherlands Free Univ Amsterdam Amsterdam Netherlands honom, Amsterdam, Netherlands
Titolo Testata:
BEHAVIOR GENETICS
fascicolo: 5, volume: 28, anno: 1998,
pagine: 365 - 380
SICI:
0001-8244(199809)28:5<365:LGAOPB>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
INTERNATIONAL ADOPTEES; CHILDHOOD; ADOLESCENCE; RATINGS;
Keywords:
problem behaviors; longitudinal analysis; adolescent psychopathology; Child Behavior Checklist; international adoptees; behavior genetics;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Life Sciences
Citazioni:
32
Recensione:
Indirizzi per estratti:
Indirizzo: van der Valk, JC Sophiaandsldrens Hosp, Dept Child & Adolescent Psychiat, Rotterdam, Netherl Sophia Childrens Hosp Rotterdam Netherlands m, Netherl
Citazione:
J.C. van der Valk et al., "Longitudinal genetic analysis of problem behaviors in biologically relatedand unrelated adoptees", BEHAV GENET, 28(5), 1998, pp. 365-380

Abstract

The genetic and environmental influences on problem behaviors at two assessment points, three years apart, and their stability were studied in a sample of international adoptees, initially aged 10 to 15 years. Parents of IIIpairs of adopted biological siblings, 221 pairs of adopted nonbiological siblings and 1484 adopted singletons completed the Child Behavior Checklist (75 pairs, 154 pairs and 1080 singletons respectively at second assessment). At first assessment, genetic factors accounted for more than 50% of the variance in the Externalizing, Aggressive Behavior, Attention Problems and Social Problems scales. Shared environmental influences explained 40% of thevariance in the Total Problem scale and less for all other scales. Nonshared environmental influences were most important for the Internalizing scaleand its subscales, and for the Thought Problems and Delinquent Behavior scales. At the second assessment, genetic factors explained most of the variance in the Total Problem, Externalizing and Aggressive Behavior scales, while nonshared environmental influences explained most of the variance in allother scales. Shared environmental influences explained 33% of the variance in the Internalizing scale and less for the other scales. The stability of the Externalizing scale over time was caused mostly by genetic factors, while nonshared environmental factors mostly caused the stability of the Internalizing scale.

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Documento generato il 20/01/20 alle ore 07:32:26