Bridging Temperament and the Big Five in Children: A Genetically Informative Study

Early temperament precedes children's emerging Big Five personality, but shared models of temperament and personality are scarce. We wanted to estimate the genetic factor structure underlying both temperament and the Big Five in children, employing a genetically informed study. Within the Norwe...

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Veröffentlicht in:Journal of personality and social psychology 2024-04, Vol.126 (4), p.660-675
Hauptverfasser: Vollrath, Margarete E., Eilertsen, Espen Moen, Torgersen, Svenn, Gjerde, Line C., Ystrom, Eivind
Format: Artikel
Sprache:eng
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Zusammenfassung:Early temperament precedes children's emerging Big Five personality, but shared models of temperament and personality are scarce. We wanted to estimate the genetic factor structure underlying both temperament and the Big Five in children, employing a genetically informed study. Within the Norwegian Mother and Child Cohort Study, we selected 26,354 twins, siblings, and cousins. Mothers rated their children's temperament three times between the ages of 1.5 and 5 years, and the children's Big Five personality at the age of 8. We analyzed the data using biometric modeling. The mean heritability of single-time temperamental traits and Big Five personality traits was .48 and .45, respectively. The mean genetic correlations of temperament across time were .80. The genetic correlations of temperament at 5 years and the Big Five at 8 years revealed two factors, the first comprising reversed Big Five Neuroticism, Agreeableness, Conscientiousness, and reversed EAS Emotionality, the second comprising Big Five Extraversion, Openness to Experience, EAS Activity, Sociability, and reversed Shyness. A confirmatory factor analysis estimated the two factors showing heritabilities of .96 and .72, respectively. The two factors mirrored the metatraits Stability and Plasticity by John M. Digman. Temperament and personality in childhood can be meaningfully bridged using just two metafactors.
ISSN:0022-3514
1939-1315
1939-1315
DOI:10.1037/pspp0000500