PERCEPTION OF FAMILY ENVIRONMENT IN ADOLESCENT TWINS: GENETIC AND ENVIRONMENTAL FACTORS
F.I. Barsky, I.A. Voronin, E.D. Gindina, M.M. Lobaskova, S.B. Malykh
Psychological Institute of RAE, Moscow
The present study analyzed the contributions of genetic and environmental variability in reports on family environment in Russian adolescent twins. Perception of home environment was assessed using the method «Family Environment Inventory» (Moos R.H. & Moos B.S., 1981). Contributions of genetic and environmental variability were revealed by structural equation modeling. Overall, individual environmental factors dominate in the structure of phenotypic variation of the scales. Contributions of environmental total variability were significant for the two scales (probably related to the culture), the contributions of additive genetic factors – for two scales (especially family environment associated with the management of the family system). The heritability estimates obtained in the study are largely consistent with the results of previous studies, in some cases being more pronounced. One explanation for the identified associations between assessments of family environment and genetic variability may be accounted for genotype-environment correlation.
Keywords: perception of family environment, environment, genotype, twins, genotype-environment correlation, family environment scale, adolescence.