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twin children

Acta geneticae medicae et gemellologiae: twin research (1)

International Soc for Twin Studies (1)

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Childhood Behavior Problems: A Comparison of Twin and Non-twin Samples
J.S. Gau, J.L. Silberg, M.T. Erickson, J.K. Hewitt
Journal:

Acta geneticae medicae et gemellologiae: twin research / Volume 41 / Issue 1 / January 1992

Published online by Cambridge University Press:

01 August 2014, pp. 53-63

Print publication:

January 1992
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This study compares standardized measures of childhood behavior problems in a community-based twin sample with those for normative samples from the general population. Maternal parent ratings on the Child Behavior Checklist (CBCL) for 1824 twins were compared with the CBCL normative sample. The results indicated that twins showed small but consistently higher levels of problem behaviors. These elevations were significant for older children on both internalizing and externalizing behaviors; for younger children the elevations were significant for externalizing but not internalizing behaviors.