, Volume 32, Issue 2, pp 207–211 | Cite as

Measurement of deviant behavior in a gombe chimpanzee: Relation to later behavior

  • Peter Buirski
  • Robert Plutchik


In 1973, personality ratings using a test called the Emotions Profile Index (EPI) were made on a number of Gombe chimpanzees, including a deviant female namedPassion. Passion's ratings were compared to the profiles of the other adult females from the same community.Passion's ratings were also analyzed in terms of her subsequent infanticidal and cannibalistic behavior, observed from 1975 to 1977. The EPI scales were found to be useful in detecting social deviance. The test appears to be a good descriptive and predictive measuring instrument. Suggestions are made for utilizing the EPI rating scales in the assessment of the psychological well-being of captive and/or research animals.

Key Words

Chimpanzee Personality Deviance Emotions Profile Index 


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Copyright information

© Japan Monkey Centre 1991

Authors and Affiliations

  • Peter Buirski
    • 1
  • Robert Plutchik
    • 2
  1. 1.School of Professional PsychologyUniversity of DenverDenverU.S.A.
  2. 2.Department of PsychiatryAlbert Einstein College of MedicineBronxU.S.A.

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