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Article

Using non-normal SEM to resolve the ACDE model in the classical twin design.

Behavior genetics - 1 Mar 2011

Ozaki Koken, Toyoda Hideki, Iwama Norikazu, Kubo Saori, Ando Juko

Abstract excerpt

One of the biggest problems in classical twin studies is that it cannot estimate additive genetic (A), non-additive genetic (D), shared environmental (C), and non-shared environmental (E) effects, simultaneously, because the model, referred to as the ACDE model, has negative degrees of freedom when using Structural Equation Modeling (SEM). Therefore, instead of the ACDE model, the ACE model or the ADE model is...

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Identifiers

PMID: 20703791
DOI: 10.1007/s10519-010-9386-5
PMCID: PMC3044827

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ACE

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