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Executive self, self-esteem, and negative affectivity: relations at the phenotypic and genotypic level
Authors:Neiss Michelle B  Stevenson Jim  Sedikides Constantine  Kumashiro Madoka  Finkel Eli J  Rusbult Caryl E
Affiliation:School of Psychology, University of Southampton, Southampton, England. neissm@ohsu.edu
Abstract:Complementary approaches examined the relations among executive self, self-esteem, and negative affectivity. A cross-sectional (N = 4,242) and a longitudinal (N = 158) study established that self-esteem mediated the relation between executive self and negative affectivity. A 3rd study (N = 878 twin pairs) replicated this pattern and examined genetic and environmental influences underlying all 3 phenotypes. Covariation among the 3 phenotypes reflected largely common genetic influences, although unique genetic effects explained variability in both executive self and negative affectivity. Executive self was influenced by shared environmental influences unique from those affecting self-esteem and negative affectivity. Non-shared environmental influences accounted for the majority of variance in each construct and were primarily unique to each. The unique genetic and non-shared environmental influences support the proposition that the executive self, self-esteem, and negative affectivity capture distinct and important differences between people.
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