Publications by authors named "M McGue"
Education-related variables are positively associated with intelligence in both causal directions, but little is known about the associations' underlying genetically and environmentally intertwined processes and many 'third variables' are probably involved too. In this study, we investigated how school achievement, measured by grade point average (GPA), moderated intelligence test score variation in young adulthood in broadly representative samples from the U.S.
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- Attachment theory highlights that our relationship behaviors are influenced by both genetics and social experiences, but most studies have focused mainly on the social aspect.
- Recent research using data from the Minnesota Twin Registry shows that about 36% of adult attachment styles can be inherited, with 64% influenced by unique environmental factors.
- The study also found that while avoidant tendencies in relationships seem linked to a common underlying factor, attachment anxiety varies depending on the specific relationships involved.
Why is parenting in adolescence predictive of maladaptive personality in adulthood? This study sets out to investigate environmental and genetic factors underlying the association between parenting and maladaptive personality longitudinally in a large sample of twins. The present study addressed this question via a longitudinal study focused on two cohorts of twins assessed on aspects of perceived parenting (parent- and adolescent-reported) at age 14 years ( =1,094 pairs). Participants were followed to adulthood, and maladaptive personality traits were self-reported using the Personality Inventory for DSM-5 (PID-5) at age 24 or 34 years.
View Article and Find Full Text PDFEnhanced educational attainment and intelligence are consistent correlates of socially liberal, nontraditional attitudes. However, it is unclear how such associations unfold developmentally. Here, we propose an interaction effect between college exposure and intelligence on the development of nontraditional attitudes.
View Article and Find Full Text PDFObjective: Maladaptive personality traits have been implicated in romantic relationship dissatisfaction, but the etiology of those links and the degree to which they extend to other types of relationships are unclear. The purpose of this study was to examine associations between maladaptive personality traits and satisfaction in various relationships using a co-twin control design to identify potential environmental contributions.
Method: The sample consisted of 1340 older adult twin participants from the Minnesota Twin Registry (M = 70.