Unravelling the Interplay Between Genetic and Environmental Contributions in the Unfolding of Personality Differences from Early Adolescence to Young Adulthood

Kandler C, Waaktaar T, Mottus R, Riemann R, Torgersen S (2019)
EUROPEAN JOURNAL OF PERSONALITY 33(3): 221-244.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Kandler, Christian; Waaktaar, Trine; Mottus, Rene; Riemann, RainerUniBi ; Torgersen, Svenn
Abstract / Bemerkung
In two studies, we examined the genetic and environmental sources of the unfolding of personality trait differences from childhood to emerging adulthood. Using self-reports from over 3000 representative German twin pairs of three birth cohorts, we could replicate previous findings on the primary role of genetic sources accounting for the unfolding of inter-individual differences in personality traits and stabilizing trait differences during adolescence. More specifically, the genetic variance increased between early (ages 10-12 years) and late (ages 16-18 years) adolescence and stabilized between late adolescence and young adulthood (ages 21-25 years). This trend could be confirmed in a second three-wave longitudinal study of adolescents' personality self-reports and parent ratings from about 1400 Norwegian twin families (average ages between 15 and 20 years). Moreover, the longitudinal study provided evidence for increasing genetic differences being primarily due to accumulation of novel genetic influences instead of an amplification of initial genetic variation. This is in line with cumulative interaction effects between twins' correlated genetic makeups and environmental circumstances shared by adolescent twins reared together. In other words, nature x nurture interactions rather than transactions can account for increases in genetic variance and thus personality variance during adolescence. (c) 2019 European Association of Personality Psychology
Stichworte
genotype x environment transaction and interaction; personality; differences; twin study; genetic and environmental variance; adolescence
Erscheinungsjahr
2019
Zeitschriftentitel
EUROPEAN JOURNAL OF PERSONALITY
Band
33
Ausgabe
3
Seite(n)
221-244
ISSN
0890-2070
eISSN
1099-0984
Page URI
https://pub.uni-bielefeld.de/record/2936346

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Kandler C, Waaktaar T, Mottus R, Riemann R, Torgersen S. Unravelling the Interplay Between Genetic and Environmental Contributions in the Unfolding of Personality Differences from Early Adolescence to Young Adulthood. EUROPEAN JOURNAL OF PERSONALITY. 2019;33(3):221-244.
Kandler, C., Waaktaar, T., Mottus, R., Riemann, R., & Torgersen, S. (2019). Unravelling the Interplay Between Genetic and Environmental Contributions in the Unfolding of Personality Differences from Early Adolescence to Young Adulthood. EUROPEAN JOURNAL OF PERSONALITY, 33(3), 221-244. doi:10.1002/per.2189
Kandler, Christian, Waaktaar, Trine, Mottus, Rene, Riemann, Rainer, and Torgersen, Svenn. 2019. “Unravelling the Interplay Between Genetic and Environmental Contributions in the Unfolding of Personality Differences from Early Adolescence to Young Adulthood”. EUROPEAN JOURNAL OF PERSONALITY 33 (3): 221-244.
Kandler, C., Waaktaar, T., Mottus, R., Riemann, R., and Torgersen, S. (2019). Unravelling the Interplay Between Genetic and Environmental Contributions in the Unfolding of Personality Differences from Early Adolescence to Young Adulthood. EUROPEAN JOURNAL OF PERSONALITY 33, 221-244.
Kandler, C., et al., 2019. Unravelling the Interplay Between Genetic and Environmental Contributions in the Unfolding of Personality Differences from Early Adolescence to Young Adulthood. EUROPEAN JOURNAL OF PERSONALITY, 33(3), p 221-244.
C. Kandler, et al., “Unravelling the Interplay Between Genetic and Environmental Contributions in the Unfolding of Personality Differences from Early Adolescence to Young Adulthood”, EUROPEAN JOURNAL OF PERSONALITY, vol. 33, 2019, pp. 221-244.
Kandler, C., Waaktaar, T., Mottus, R., Riemann, R., Torgersen, S.: Unravelling the Interplay Between Genetic and Environmental Contributions in the Unfolding of Personality Differences from Early Adolescence to Young Adulthood. EUROPEAN JOURNAL OF PERSONALITY. 33, 221-244 (2019).
Kandler, Christian, Waaktaar, Trine, Mottus, Rene, Riemann, Rainer, and Torgersen, Svenn. “Unravelling the Interplay Between Genetic and Environmental Contributions in the Unfolding of Personality Differences from Early Adolescence to Young Adulthood”. EUROPEAN JOURNAL OF PERSONALITY 33.3 (2019): 221-244.
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