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Psychology

Washington University in St. Louis

Theses/Dissertations

2017

Personality

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The Developmental Interplay Of Personality And Relationship Quality In Young Adulthood, Kelci Harris Aug 2017

The Developmental Interplay Of Personality And Relationship Quality In Young Adulthood, Kelci Harris

Arts & Sciences Electronic Theses and Dissertations

I used the framework of the personality-relationship transaction to examine the co-development of personality and relationship quality during college in three different relationship contexts: an aggregate of friends, romantic partner dyads, and friend dyads. I treat the personality-relationship transaction as a dyadic process, rather than an ego-centric one, by including friends’ and romantic partners’ reports of personality and relationship quality. I created a multivariate latent growth curve model version of the Actor Partner Interdependence Model to test how personality and relationship quality co-developed. Initial correlations between personality and relationship quality reflect what is seen in previous work; self-reported extraversion, agreeableness, …


Building A Theory Of Adaptive Neuroticism, Sara Jo Weston May 2017

Building A Theory Of Adaptive Neuroticism, Sara Jo Weston

Arts & Sciences Electronic Theses and Dissertations

Neuroticism is widely believed to be detrimental to health, but the evidence is mixed. Many large-scale studies find null or positive effects of neuroticism on mortality and health. A theory of “healthy neuroticism” was generated to explain these discrepant results. According to this theory, neuroticism can lead an individual down one of two paths: an anxiety and stress-ridden path of maladaptive coping and poor outcomes, or a path of vigilance and proactivity. Trait conscientiousness is thought to be the defining feature of healthy neuroticism, although studies substantiating this claim are few and far between. Meanwhile, other important factors - notably, …