Environmental and Genetic Variance in Children's Observed and Reported Maladaptive Behavior  

Oleh:

Fagot, Beverly I. ; Goldsmith, H. Hill ; Leve, Leslie D. ; Reid, John B. ; Winebarger, Allen A.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Child Development vol. 69 no. 05 (Oct. 1998), page 1286-1298.
Topik: Children; Maladaptive Behavior; Environment; Genetic Variance
Fulltext: 1132266.pdf (484.77KB)

Ketersediaan

Perpustakaan PKPM Nomor Panggil: C49 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

The genetic and environmental contributions to children's maladaptive behavior are assessed in a sample of 154 twin pairs (77 MZ twin pairs and 77 DZ twin pairs), who range in age from 6 to 11 years. To bridge the strengths of behavioral genetic methods and environmental assessment techniques, we use a multimethod, multimeasure approach to data collection, and analyze the data using behavioral genetic modeling techniques. Results indicate that genetic variation accounts for a majority of the variance in parent-reported child maladaptive behavior (average = 62%). One parent-report measure also suggests a smaller, significant contribution of shared environmental variance. In contrast to the parental ratings, the observational coding and global impressions of parent-twin interactive behavior suggest that shared environment is the primary source of variance accounting for parent and child maladaptive behavior. This is due, in part, to the direct influence one's interactive partner has on the expression of maladaptive behavior in an interactive setting. When controlling for the co-participant's behavior, genetic variation increases and shared environmental variation decreases.

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