Genes, culture and conservatism: A psychometric-genetic approach

I. Schwabe, Wilfried Jonker, Stéphanie M. Van Den Berg

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Abstract

The Wilson-Patterson conservatism scale was psychometrically evaluated using homogeneity analysis and item response theory models. Results showed that this scale actually measures two different aspects in people: on the one hand people vary in their agreement with either conservative or liberal catch-phrases and on the other hand people vary in their use of the ‘‘?’’ response category of the scale. A 9-item subscale was constructed, consisting of items that seemed to measure liberalism, and this subscale was subsequently used in a biometric analysis including genotype–environment interaction, correcting for non-homogeneous measurement error. Biometric results showed significant genetic and shared environmental influences, and significant genotype–environment interaction effects, suggesting that individuals with a genetic predisposition for conservatism show more non-shared variance but less shared variance than individuals with a genetic predisposition for liberalism.
Original languageEnglish
Pages (from-to)516-528
JournalBehavior Genetics
Volume46
Issue number4
DOIs
Publication statusPublished - 1 Jul 2016

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Schwabe, I. ; Jonker, Wilfried ; Van Den Berg, Stéphanie M. / Genes, culture and conservatism : A psychometric-genetic approach. In: Behavior Genetics. 2016 ; Vol. 46, No. 4. pp. 516-528.
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Genes, culture and conservatism : A psychometric-genetic approach. / Schwabe, I.; Jonker, Wilfried; Van Den Berg, Stéphanie M.

In: Behavior Genetics, Vol. 46, No. 4, 01.07.2016, p. 516-528.

Research output: Contribution to journalArticleScientificpeer-review

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