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Genetic Variance in Homophobia: Evidence from Self- and Peer Reports.
- Source :
-
Behavior Genetics . Jan2018, Vol. 48 Issue 1, p34-43. 10p. - Publication Year :
- 2018
-
Abstract
- The present twin study combined self- and peer assessments of twins' general homophobia targeting gay men in order to replicate previous behavior genetic findings across different rater perspectives and to disentangle self-rater-specific variance from common variance in self- and peer-reported homophobia (i.e., rater-consistent variance). We hypothesized rater-consistent variance in homophobia to be attributable to genetic and nonshared environmental effects, and self-rater-specific variance to be partially accounted for by genetic influences. A sample of 869 twins and 1329 peer raters completed a seven item scale containing cognitive, affective, and discriminatory homophobic tendencies. After correction for age and sex differences, we found most of the genetic contributions (62%) and significant nonshared environmental contributions (16%) to individual differences in self-reports on homophobia to be also reflected in peer-reported homophobia. A significant genetic component, however, was self-report-specific (38%), suggesting that self-assessments alone produce inflated heritability estimates to some degree. Different explanations are discussed. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00018244
- Volume :
- 48
- Issue :
- 1
- Database :
- Academic Search Index
- Journal :
- Behavior Genetics
- Publication Type :
- Academic Journal
- Accession number :
- 127087648
- Full Text :
- https://doi.org/10.1007/s10519-017-9884-9