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Regulation between personality traits: Individual social tendencies modulate whether boldness and leadership are correlated

Research output: Contribution to journalArticle

Original languageEnglish
Article number20180829
Number of pages8
JournalProceedings of the Royal Society B: Biological Sciences
Volume285
Issue number1880
Early online date13 Jun 2018
DOIs
DateAccepted/In press - 21 May 2018
DateE-pub ahead of print - 13 Jun 2018
DatePublished (current) - 13 Jun 2018

Abstract

Although consistent behavioural differences between individuals (i.e. personality variation) are now well established in animals, these differences are not always expressed when individuals interact in social groups. This can be key in important social dynamics such as leadership, which is often positively related to personality traits such as boldness. Individuals consistently differ in how social they are (their sociability), so if other axes of personality variation, such as boldness, can be suppressed during social interactions, this suppression should be stronger in more sociable individuals. We measured boldness (latency to leave a refuge when alone) and sociability (time spent with a conspecific) in three-spined sticklebacks (Gas-terosteus aculeatus) and tested the boldness–leadership association in pairs of these fish. Both boldness and sociability were repeatable, but were not correlated. When splitting the data between the 50% most sociable and 50% less sociable fish, boldness was more strongly associated with leadership in less rather than more sociable individuals. This is consistent with more sociable fish conforming to their partner’s behaviour due to their greater social tendency. One axis of personality variation (sociability) can thus modulate the relationship between others (boldness and leadership), with potential implications for selection on personality variation in social animals.

    Research areas

  • Boldness, Conformity, Decision-making, Leadership, Personality, Sociability

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    Rights statement: This is the final published version of the article (version of record). It first appeared online via Royal Society at http://rspb.royalsocietypublishing.org/content/285/1880/20180829 . Please refer to any applicable terms of use of the publisher.

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