The heritability of life history strategy: the K-factor, covitality, and personality.

Aurelio J Figueredo, Geneva Vásquez, Barbara Hagenah Brumbach, Stephanie M R Schneider

Research output: Contribution to journalArticle

193 Citations (Scopus)

Abstract

Archival data from the MIDUS survey (Brim et al., 2000), a nationally representative sample, on 309 MZ and 333 DZ twin pairs aged 25-74 years were used to test the psychometrics and behavioral genetics of life history strategy. We organized 253 of the originally administered 2,000 questions into 30 scales measuring life history traits (e.g., quality of family relationships and altruism towards kin), medical symptoms (e.g., thyroid problems), personality traits (e.g., neuroticism, extraversion, conscientiousness), and social background (e.g., financial security). A single higher-order factor, indicating a general life history strategy, composed of three lower-order factors, was replicated. Factor analyses were then performed on the genetic variance-covariance matrices. We found that (a) a single higher-order factor explained the preponderance of the genetic correlations among the scales and (b) this higher-order factor was itself 68 percent heritable and accounted for 82 percent of the genetic variance among the three component lower-order factors.

Original languageEnglish (US)
Pages (from-to)121-143
Number of pages23
JournalSocial Biology
Volume51
Issue number3-4
StatePublished - Sep 2004

Fingerprint

heritability
Personality
personality
life history
genetic variance
Behavioral Genetics
Altruism
altruism
family relations
Family Relations
Psychometrics
genetic correlation
Statistical Factor Analysis
neuroticism
social background
Thyroid Gland
personality traits
life history trait
psychometrics
matrix

ASJC Scopus subject areas

  • Demography
  • Social Sciences (miscellaneous)
  • Sociology and Political Science

Cite this

Figueredo, A. J., Vásquez, G., Brumbach, B. H., & Schneider, S. M. R. (2004). The heritability of life history strategy: the K-factor, covitality, and personality. Social Biology, 51(3-4), 121-143.

The heritability of life history strategy : the K-factor, covitality, and personality. / Figueredo, Aurelio J; Vásquez, Geneva; Brumbach, Barbara Hagenah; Schneider, Stephanie M R.

In: Social Biology, Vol. 51, No. 3-4, 09.2004, p. 121-143.

Research output: Contribution to journalArticle

Figueredo, AJ, Vásquez, G, Brumbach, BH & Schneider, SMR 2004, 'The heritability of life history strategy: the K-factor, covitality, and personality.', Social Biology, vol. 51, no. 3-4, pp. 121-143.
Figueredo, Aurelio J ; Vásquez, Geneva ; Brumbach, Barbara Hagenah ; Schneider, Stephanie M R. / The heritability of life history strategy : the K-factor, covitality, and personality. In: Social Biology. 2004 ; Vol. 51, No. 3-4. pp. 121-143.
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