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BonobosUnique in Mind, Brain, and Behavior$
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Brian Hare and Shinya Yamamoto

Print publication date: 2017

Print ISBN-13: 9780198728511

Published to Oxford Scholarship Online: January 2018

DOI: 10.1093/oso/9780198728511.001.0001

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Bonobo personality: Age and sex effects and links with behavior and dominance

Bonobo personality: Age and sex effects and links with behavior and dominance

(p.183) Chapter 13 Bonobo personality: Age and sex effects and links with behavior and dominance

Nicky Staes

Marcel Eens

Alexander Weiss

Jeroen M.G. Stevens

Oxford University Press

The study described in this chapter examines whether individual differences in six rating-based bonobo personality dimensions—assertiveness, conscientiousness, openness, attentiveness, agreeableness and extroversion—are related to sex, age, behaviours and dominance. To these ends, the study tested predictions based on previous studies of human and chimpanzee personality, and bonobo behaviour and socio-ecology. Sex and age differences in assertiveness, openness and extroversion, and correlations between these personality dimensions and behaviour were consistent with predictions. Conscientiousness showed associations with observed behaviours but requires further investigation as sex and age effects differed from those reported in humans and chimpanzees. Agreeableness and attentiveness showed few associations with age, sex and behaviours, indicating the need to further investigate validity of these factors. This chapter shows that personality dimensions in bonobos are correlated with sex, age and behaviours in ways that are consistent with what is known for bonobos and their socio-ecology. L’étude décrite dans ce chapitre examine si les différences individuelles dans six dimensions de personnalité bonobos basées sur évaluation—Affirmation de soi, Conscience, Ouverture, Attention, Agréabilité, et l’Extroversion—sont liées au sexe et l’âge et les comportements et la dominance. L’étude a testé les prédictions basées sur des études précédentes de la personnalité humaine et chimpanzé, et le comportement bonobo et la socioécologie. Les différences de sexe et d’âge dans l’Affirmation de soi, l’Ouverture et l’Extroversion et les corrélations entre ces dimensions de personnalité et de comportement étaient cohérents avec nos prédictions. La Conscience montre des associations avec les comportements observés mais a besoin plus de recherche vu que les effets du sexe et de l’âge diffèrent des effets rapportés chez les humains et les chimpanzés. L’Agréabilité et l’Attention n’avaient pas autant d’associations avec l’âge, le sexe et les comportements. Cela montre qu’il faut plus rechercher la validité de ces facteurs. Cette étude montre que les dimensions de personnalité chez les bonobos sont corrélé à l’âge, au sexe et aux comportements de manières qui sont cohérentes avec notre connaissance des bonobos et de leur socioécologie.

Keywords:   Personality, Pan paniscus, Ratings, Codings, comparative validity, construct validity

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