Personality in free-ranging hanuman langur (Semnopithecus entellus) males: Subjective ratings and recorded behavior
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Commonly defined, personality refers to characteristics of individuals that describe and account for consistent patterns of feeling, thinking and behaving. In animals, two approaches to research of personality are used: either behavioral coding methods describing observed behavior in an ethogram or personality ratings using rating scales (adjectives) by knowledgeable raters. The goal of this study was to assess personality in Hanuman langurs (Semnopithecus entellus) individuals using the above two methods. By comparing the results to those derived in other nonhuman primates better understanding of the evolutionary bases of personality dimensions were expected. The findings highlighted the comparability of behavioral coding and personality ratings and suggested that some aspects of personality structure would likely have been present in the common ancestor of Old World Monkeys.
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