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Do Extraverts Get More Bang for the Buck? Refining the Affective-Reactivity Hypothesis of Extraversion

Smillie, Luke D.; Cooper, Andrew; Wilt, Joshua and Revelle, William. 2012. Do Extraverts Get More Bang for the Buck? Refining the Affective-Reactivity Hypothesis of Extraversion. Journal of Personality and Social Psychology, 103(2), pp. 306-326. ISSN 0022-3514 [Article]

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Abstract or Description

One of the most robust observations in personality and emotion research is the finding that extraverts are happier than introverts. Some theorists have attributed this to differential reactivity of the brain reward system, which is central to many biologically inspired models of extraversion. This affective-reactivity hypothesis, which suggests that extraverts should be more susceptible to the induction of positive affect, has so far received very mixed empirical support. In this article, we consider a more biologically plausible account of extraverts' affective-reactivity. Over 5 experiments, we demonstrate that extraverts show greater affective-reactivity only in response to clearly appetitive stimuli and situations (e.g., where rewards are being pursued). Conversely, after merely pleasant stimuli and situations (without any reward-approach element), extraverts and introverts respond similarly. We also show that it is specifically activated affect (e.g., feelings of alertness), rather than pleasantly valenced affect (e.g., feelings of contentment), that characterizes the affective-reactivity of extraverts. Such reactions may potentially facilitate the reward-seeking behavior associated with extraversion, but they seem unlikely to explain the broadly happy disposition of extraverts.

Item Type:

Article

Identification Number (DOI):

https://doi.org/10.1037/a0028372

Departments, Centres and Research Units:

Psychology
Research Office > REF2014

Dates:

DateEvent
2012Published

Item ID:

6451

Date Deposited:

02 Mar 2012 11:17

Last Modified:

30 Jun 2017 14:16

Peer Reviewed:

Yes, this version has been peer-reviewed.

URI:

http://research.gold.ac.uk/id/eprint/6451

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