Common Marmoset (Callithrix jacchus) Personality

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http://hdl.handle.net/10138/233755

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Koski , S E , Buchanan-Smith , H M , Ash , H , Burkart , J M , Bugnyar , T & Weiss , A 2017 , ' Common Marmoset (Callithrix jacchus) Personality ' , Journal of Comparative Psychology , vol. 131 , no. 4 , pp. 326-336 . https://doi.org/10.1037/com0000089

Title: Common Marmoset (Callithrix jacchus) Personality
Author: Koski, Sonja E.; Buchanan-Smith, Hannah M.; Ash, Hayley; Burkart, Judith M.; Bugnyar, Thomas; Weiss, Alexander
Contributor: University of Helsinki, Department of Social Research (2010-2017)
Date: 2017-11
Language: eng
Number of pages: 11
Belongs to series: Journal of Comparative Psychology
ISSN: 0735-7036
URI: http://hdl.handle.net/10138/233755
Abstract: Increasing evidence suggests that personality structure differs between species, but the evolutionary reasons for this variation are not fully understood. We built on earlier research on New World monkeys to further elucidate the evolution of personality structure in primates. We therefore examined personality in 100 family-reared adult common marmosets (Callithrix jacchus) from 3 colonies on a 60-item questionnaire. Principal components analyses revealed 5 domains that were largely similar to those found in a previous study on captive, ex-pet, or formerly laboratory-housed marmosets that were housed in a sanctuary. The interrater reliabilities of domain scores were consistent with the interrater reliabilities of domain scores found in other species, including humans. Four domainsdmdash; conscientiousness, agreeableness, inquisitiveness, and assertiveness-resembled personality domains identified in other nonhuman primates. The remaining domain, patience, was specific to common marmosets. We used linear models to test for sex and age differences in the personality domains. Males were lower than females in patience, and this difference was smaller in older marmosets. Older marmosets were lower in inquisitiveness. Finally, older males and younger females had higher scores in agreeableness than younger males and older females. These findings suggest that cooperative breeding may have promoted the evolution of social cognition and influenced the structure of marmoset prosocial personality characteristics.
Subject: marmoset
personality
primates
cooperative breeding
CHIMPANZEE PAN-TROGLODYTES
CONSISTENT INDIVIDUAL-DIFFERENCES
BEHAVIORAL SYNDROMES
TEMPORAL STABILITY
SEX-DIFFERENCES
5-FACTOR MODEL
ZOOLOGICAL PARKS
GREAT APES
EVOLUTION
MACAQUES
5143 Social and cultural anthropology
5144 Social psychology
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