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How are basic personality traits linked with individual differences in competitiveness? We examined extraversion and agreeableness, as well as their lower-level aspects (i.e., assertiveness, enthusiasm; compassion, politeness), in relation to both sel...

Trait extraversion has been theorized to emerge from functioning of the dopaminergic reward system. Recent evidence for this view shows that extraversion modulates the scalp-recorded Reward Positivity, a putative marker of dopaminergic signaling of re...

February 18, 2019

The present study investigated whether ambiguity tolerance relates to personality traits that are theoretically grounded in fear (neuroticism) or attraction (openness to experience; extraversion) for the unknown. Our hypotheses were supported for self...

Evidence suggests that extraverted (i.e., bold, agentic) behavior increases positive affect (PA), and could be targeted in wellbeing interventions. However, this evidence is either causally ambiguous or has questionable ecological validity, and the po...

Why are trait extraversion and extraverted behaviors both associated with greater positive affect? Across 3 studies, we examined whether 2 aspects of social experience-perceived social contribution and social power-mediate the relation between extrave...

Despite accumulating evidence for concurrent feelings of positivity and negativity (e.g., simultaneous happiness and sadness), little is known about individual differences in these mixed emotions experiences. We examined relations between a novel meas...

The personality trait extraversion is associated with higher positive affect, and individuals who behave in an extraverted way experience increased positive affect. Across 2 studies, we examine whether the positive affectivity of extraverts can be exp...

December 31, 2014

Economic games are well-established experimental paradigms for modeling social decision making. A large body of literature has pointed to the heterogeneity of behavior within many of these games, which might be partly explained by broad interpersonal...

October 30, 2014

For several years, theory and research in Personality Neuroscience has linked dopamine function with various aspects of personality and individual differences. This literature builds on research in basic neuroscience concerning the role of dopamine in...

This article clarifies two sources of ambiguity surrounding the relation between extraversion and positive affect. First, positive affect is defined differently across major models of the structure of affect. Second, no previous research has examined...

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