Physical similarity and the equal-environment assumption in twin studies of psychiatric disorders.

doi:10.1007/BF02197281

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Article

Physical similarity and the equal-environment assumption in twin studies of psychiatric disorders.

Behavior genetics - 1 Jul 1995

Hettema J M, Neale M C, Kendler K S

Abstract excerpt

The equal-environment assumption (EEA), upon which twin methodology is based, was examined for the impact of physical similarity on phenotypic resemblance in five common psychiatric disorders: major depression, generalized anxiety disorder, phobia, alcoholism, and bulimia. A population-based samp...

Topics

Adolescent
Adult
Diseases in Twins
Female
Humans
Mental Disorders
Middle Aged
Models, Genetic
Personality Assessment
Phenotype
Risk Factors
Social Environment
Twins, Dizygotic
Twins, Monozygotic

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