1994
DOI: 10.2307/1131418
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Genetic and Environmental Influences on Perceptions of Self-Worth and Competence in Adolescence: A Study of Twins, Full Siblings, and Step-Siblings

Abstract: Although it is generally assumed that the origins of adolescents' perceptions of self-competence lie in shared family environmental influences, the contributions of nonshared environmental or genetic influences have not been explored. We investigated sibling resemblance for perceived competence and self-worth in 720 adolescent pairs aged 10 to 18 years, using a twin, full sibling, and step-sibling design. Our goals were to assess the magnitude of shared and nonshared environmental influences and to disentangle… Show more

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Cited by 53 publications
(13 citation statements)
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“…Research has uncovered the heritability of numerous attitudes (Olson et al, 2001) and various aspects of self-identity (Hur, McGue, & Iacono, 1998;McGuire, Neiderhiser, Reiss, Hetherington, & Plomin, 1994). The identified heritability of name-liking is consistent with both sets of findings, whereby one's attitude toward self-associated stimuli is heritable.…”
Section: Discussionsupporting
confidence: 60%
“…Research has uncovered the heritability of numerous attitudes (Olson et al, 2001) and various aspects of self-identity (Hur, McGue, & Iacono, 1998;McGuire, Neiderhiser, Reiss, Hetherington, & Plomin, 1994). The identified heritability of name-liking is consistent with both sets of findings, whereby one's attitude toward self-associated stimuli is heritable.…”
Section: Discussionsupporting
confidence: 60%
“…Low birth weight (Clausson, Lichtenstein, and Cnattingius 2000) Self-esteem (McGuire et al 1994) Athletic activities (Olson et al 2001) Earnings (Behrman et al 1980) Modern art acceptance (Alford et al …”
Section: (Mcgue and Lykken 1992)mentioning
confidence: 99%
“…Perceptions of self-worth and competence were examined in NEAD at Time 1 (McGuire et al, 1994) providing some of the first evidence that this construct is influenced by genetic and nonshared environmental factors, but not by shared environmental influences. When these constructs were examined at Time 2 a similar pattern of findings emerged, and stability in the constructs was found to be due primarily to genetic influences (McGuire et al, 1999).…”
Section: Adolescent Adjustment Comorbidity and Psychopathologymentioning
confidence: 99%