Behaviormetrika
Online ISSN : 1349-6964
Print ISSN : 0385-7417
ISSN-L : 0385-7417
A BAYESIAN STUDY OF THE CORRELATION BETWEEN STANDARD SCORES OF TWINS
Jian-Hua LiHiroshi Watanabe
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1994 Volume 21 Issue 2 Pages 121-130

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Abstract

This paper examines a Bayesian study of estimating the heritability by comparing intraclass correlation coefficients between standard scores (SS) of MZ (monozygotic) twins as opposed to DZ (dizygotic) twins. For that purpose, we derive the marginal posterior distribution of ρ and obtain its approximate distribution. A numerical example shows that IQ standard score is possibly constrained by genetic factors.

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© The Behaviormetric Society of Japan
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