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Article

Self-Reported zygosity and the equal-environments assumption for psychiatric disorders in the Vietnam Era Twin Registry.

Behavior genetics - 1 Jul 2000

Xian H, Scherrer J F, Eisen S A, True W R, Heath A C, Goldberg J, Lyons M J, Tsuang M T

Abstract excerpt

The equal-environments assumption (EEA) in twin studies of psychiatric disorders assumes that the family environment which contributes to risk for a disorder is equally correlated between monozygotic (MZ) and dizygotic (DZ) twin pairs. In a study of psychiatric disorders in female twins, Kendler and colleagues (1993) have demonstrated the utility of a test of the EEA which includes a specified family...

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PMID: 11206085
DOI: 10.1023/a:1026549417364

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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