Related Experiment Video
Updated: Oct 19, 2026

Measurement of Fronto-limbic Activity Using an Emotional Oddball Task in Children with Familial High Risk for Schizophrenia
Published on: December 2, 2015
A genetic study of the family environment in the transition to early adolescence
K Deater-Deckard1, D W Fulker, R Plomin
1Department of Psychology, University of Oregon, Eugene 97403-1227, USA. kirbydd@hotmail.com
Abstract:
The aim of this longitudinal sibling adoption study was to estimate genetic and environmental components of variance in parent- and child-reported measures of the family environment (parental negative affect, negative control, and achievement orientation). Participants included 85 adoptive and 106 nonadoptive sibling pairs from the Colorado Adoption Project. Parents and children completed annual assessments of the family environment when the children were 10, 11, and 12 years old, and genetic and environmental parameter estimates were derived. Genetic influences were found for parent-reported negativity and warmth and child-reported achievement orientation, suggesting child genetic effects on these measures of the family environment. Shared environmental influences were found for parent-reported negativity, inconsistent discipline, warmth, and child-reported positivity. Nonshared environmental variance was substantial for children's ratings, but modest for parents' ratings.
Related Concept Videos
Behavioral Genetics and Its Designs
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
Gene-Environment Interactions
Background and Environment Affect Phenotype
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...
Cognitive Development During Adolescence
Parental Influences on Gender Typing
Causes of Social Behavior III: Biological and Environmental Influences

