Longitudinal genetic analysis of problem behaviors in biologically related and unrelated adoptees.

doi:10.1023/a:1021621719059

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Article

Longitudinal genetic analysis of problem behaviors in biologically related and unrelated adoptees.

Behavior genetics - 1 Sept 1998

van der Valk J C, Verhulst F C, Neale M C, Boomsma D I

Abstract excerpt

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 111 pairs of adopted biological siblings, 221 pairs of adopted nonbiological...

Topics

Adolescent
Adoption
Child
Child Behavior Disorders
Female
Genetics, Behavioral
Humans
Internal-External Control
Longitudinal Studies
Male
Models, Genetic
Personality Assessment
Phenotype
Social Environment

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