Document Type
Thesis
Date of Degree Completion
Spring 2007
Degree Name
Master of Science (MS)
Department
Experimental Psychology
Committee Chair
Mary Lee Jensvold
Second Committee Member
Lori K. Sheeran
Third Committee Member
Roger Fouts
Abstract
In this study, gestures performed in the greeting and reassurance context were investigated in four groups of chimpanzees living in American and African sanctuaries. Over 85 hr of video recording at three African sanctuaries and 798 hr of video recording at an American sanctuary were analyzed for greeting and reassurance gestures. The four chimpanzee groups demonstrated various differences in both greeting and reassurance gestures. Groups differed in the proportion of time spent in each context, the gesture frequency per minute, and the gesture types used. Some gestures were group specific, meaning they occurred only in one group; some gestures were group typical, meaning they occurred in some but not all groups; and some gestures occurred in all groups and are candidates for chimpanzee universals. Within gestures found in all groups, systematic variations in placement were investigated. Gestures differed in placement locations of gestures, similar to those found in human cultures.
Recommended Citation
Marburg, Trijntje Laurel, "A Comparison of Intragroup Greeting and Reassurance Behaviors Across Four Chimpanzee (Pan Troglodytes) Social Groups in American and African Sanctuaries" (2007). All Master's Theses. 2323.
https://digitalcommons.cwu.edu/etd/2323
Comments
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