[BERG] This week's BERG: Dr. Alexander Weiss describing personality in the chimpanzees of Gombe National Park

Donna Kean d.e.kean1 at stir.ac.uk
Mon Oct 16 15:39:21 BST 2017

Dear BERGers,

This week we have Dr. Alexander Weiss from the University of Edinburgh delivering a talk entitled:

“An open data set describing personality in the chimpanzees of Gombe National Park”

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Researchers increasingly view animal personality traits as products of natural selection. Alex will present data that describe the personalities of 128 eastern chimpanzees (Pan troglodytes schweinfurthii) currently living in or who lived their lives in the Kasekela and Mitumba communities of Gombe National Park, Tanzania. He obtained ratings on 24 items from an established, reliable, well-validated questionnaire used to study personality in captive chimpanzee populations. Ratings were made by former and present Tanzanian field assistants who followed individual chimpanzees for years and collected detailed behavioral observations. Interrater reliabilities across items ranged from acceptable to good, but the personality dimensions they formed were not as interpretable as those from captive samples. However, the personality dimensions corresponded to ratings of 24 Kasekela chimpanzees on a different questionnaire in 1973 that assessed some similar traits. These correlations established the repeatability and construct validity of the present ratings, indicating that the present data can facilitate historical and prospective studies that will lead to better understanding of the evolution of personality in chimpanzees and other primates.

We look forward to seeing you all there from 5.30pm, with drinks and nibbles as usual!

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