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Titolo:
A STUDY OF PROBLEM BEHAVIORS IN 10-YEAR-OLD TO 15-YEAR-OLD BIOLOGICALLY RELATED AND UNRELATED INTERNATIONAL ADOPTEES
Autore:
VANDENOORD EJCG; BOOMSMA DI; VERHULST FC;
Indirizzi:
CZAR PETERSTR 35S 1018 NX AMSTERDAM NETHERLANDS ERASMUS UNIV ROTTERDAM,SOPHIA CHILDRENS HOSP,DEPT CHILD & ADOLESCENT PSYCHIATRY ROTTERDAM NETHERLANDS FREE UNIV AMSTERDAM,DEPT PSYCHONOM AMSTERDAM NETHERLANDS
Titolo Testata:
Behavior genetics
fascicolo: 3, volume: 24, anno: 1994,
pagine: 193 - 205
SICI:
0001-8244(1994)24:3<193:ASOPBI>2.0.ZU;2-2
Fonte:
ISI
Lingua:
ENG
Soggetto:
CHILD PSYCHIATRIC-DISORDERS; GENETIC-FACTORS; TWIN DATA; HYPERACTIVITY; IMITATION; MODELS; LEVEL; AGE;
Keywords:
CHILD/ADOLESCENT BEHAVIOR PROBLEMS; CHILD BEHAVIOR CHECKLIST; BEHAVIOR GENETICS; SIBLING EFFECTS; SEX DIFFERENCES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social Sciences Citation Index
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
43
Recensione:
Indirizzi per estratti:
Citazione:
E.J.C.G. Vandenoord et al., "A STUDY OF PROBLEM BEHAVIORS IN 10-YEAR-OLD TO 15-YEAR-OLD BIOLOGICALLY RELATED AND UNRELATED INTERNATIONAL ADOPTEES", Behavior genetics, 24(3), 1994, pp. 193-205

Abstract

Genetic and environmental influences on problem behaviors were studies in a sample of international adoptees. Parental ratings of childrens' problem behaviors were obtained with the Child Behavior Checklist (CBCL). The sample (mean age, 12.4 years) comprised a group of biological siblings (111 pairs), a group of nonbiological siblings (221 pairs),and a group of singletons (94). Nonshared environmental influences were most important for problem behaviors studies in this paper. Geneticinfluences were substantial for Externalizing behaviors but unimportant for Internalizing behaviors. For the CBCL total problem score, Attention Problem, and Externalizing behaviors, the results of the presentstudy were in agreement with findings from twin studies. The lack of genetic influences on Internalizing behaviors contrasts with results from twin studies. For the total problem score, the Externalizing grouping, Delinquent Behavior, and Aggressive Behavior, variances for singletons were significantly smaller than for siblings. Model fit indices indicated that these differences in variances are better attributed tosmaller effects of factors associated with sibship size than to active influences of siblings on each other. Significant sex differences were found for 8 of the 10 scales. The larger variances for boys on the Externalizing grouping and Aggressive Behavior could be explained by genetic influences.

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Documento generato il 19/01/20 alle ore 20:05:30