Genes, Culture and Conservatism-A Psychometric-Genetic ApproachReport as inadecuate




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Behavior Genetics

, Volume 46, Issue 4, pp 516–528

First Online: 20 November 2015Received: 02 April 2015Accepted: 25 October 2015DOI: 10.1007-s10519-015-9768-9

Cite this article as: Schwabe, I., Jonker, W. & van den Berg, S.M. Behav Genet 2016 46: 516. doi:10.1007-s10519-015-9768-9

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.

KeywordsConservatism Liberalism Genotype–environment interaction Measurement error Psychometrics IRT Edited by Peter Hatemi

Electronic supplementary materialThe online version of this article doi:10.1007-s10519-015-9768-9 contains supplementary material, which is available to authorized users.

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Author: Inga Schwabe - Wilfried Jonker - Stéphanie M. van den Berg

Source: https://link.springer.com/







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