Genetic influences are virtually absent for trust.

Over the past decades, numerous twin studies have revealed moderate to high heritability estimates for individual differences in a wide range of human traits, including cognitive ability, psychiatric disorders, and personality traits. Even factors that are generally believed to be environmental in n...

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Autores principales:	Paul A M Van Lange, Anna A E Vinkhuyzen, Danielle Posthuma
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/06eeefbf5a014796b2bed98d654a21ed
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spelling	oai:doaj.org-article:06eeefbf5a014796b2bed98d654a21ed2021-11-18T08:24:42ZGenetic influences are virtually absent for trust.1932-620310.1371/journal.pone.0093880https://doaj.org/article/06eeefbf5a014796b2bed98d654a21ed2014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24709897/?tool=EBIhttps://doaj.org/toc/1932-6203Over the past decades, numerous twin studies have revealed moderate to high heritability estimates for individual differences in a wide range of human traits, including cognitive ability, psychiatric disorders, and personality traits. Even factors that are generally believed to be environmental in nature have been shown to be under genetic control, albeit modest. Is such heritability also present in social traits that are conceptualized as causes and consequences of social interactions or in other ways strongly shaped by behavior of other people? Here we examine a population-based sample of 1,012 twins and relatives. We show that the genetic influence on generalized trust in other people (trust-in-others: h2 = 5%, ns), and beliefs regarding other people's trust in the self (trust-in-self: h2 = 13%, ns), is virtually absent. As test-retest reliability for both scales were found to be moderate or high (r = .76 and r = .53, respectively) in an independent sample, we conclude that all variance in trust is likely to be accounted for by non-shared environmental influences. We show that, relative to cognitive abilities, psychiatric disorders, and classic personality variables, genetic influences are smaller for trust, and propose that experiences with or observations of the behavior of other people shape trust more strongly than other traits.Paul A M Van LangeAnna A E VinkhuyzenDanielle PosthumaPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 4, p e93880 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Paul A M Van Lange Anna A E Vinkhuyzen Danielle Posthuma Genetic influences are virtually absent for trust.
description	Over the past decades, numerous twin studies have revealed moderate to high heritability estimates for individual differences in a wide range of human traits, including cognitive ability, psychiatric disorders, and personality traits. Even factors that are generally believed to be environmental in nature have been shown to be under genetic control, albeit modest. Is such heritability also present in social traits that are conceptualized as causes and consequences of social interactions or in other ways strongly shaped by behavior of other people? Here we examine a population-based sample of 1,012 twins and relatives. We show that the genetic influence on generalized trust in other people (trust-in-others: h2 = 5%, ns), and beliefs regarding other people's trust in the self (trust-in-self: h2 = 13%, ns), is virtually absent. As test-retest reliability for both scales were found to be moderate or high (r = .76 and r = .53, respectively) in an independent sample, we conclude that all variance in trust is likely to be accounted for by non-shared environmental influences. We show that, relative to cognitive abilities, psychiatric disorders, and classic personality variables, genetic influences are smaller for trust, and propose that experiences with or observations of the behavior of other people shape trust more strongly than other traits.
format	article
author	Paul A M Van Lange Anna A E Vinkhuyzen Danielle Posthuma
author_facet	Paul A M Van Lange Anna A E Vinkhuyzen Danielle Posthuma
author_sort	Paul A M Van Lange
title	Genetic influences are virtually absent for trust.
title_short	Genetic influences are virtually absent for trust.
title_full	Genetic influences are virtually absent for trust.
title_fullStr	Genetic influences are virtually absent for trust.
title_full_unstemmed	Genetic influences are virtually absent for trust.
title_sort	genetic influences are virtually absent for trust.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/06eeefbf5a014796b2bed98d654a21ed
work_keys_str_mv	AT paulamvanlange geneticinfluencesarevirtuallyabsentfortrust AT annaaevinkhuyzen geneticinfluencesarevirtuallyabsentfortrust AT danielleposthuma geneticinfluencesarevirtuallyabsentfortrust
_version_	1718421783042850816

Genetic influences are virtually absent for trust.

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