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Intentionality as measured in the persistence and elaboration of communication by chimpanzees (Pan troglodyes).
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posted on 2023-06-07, 18:16 authored by David LeavensDavid Leavens, J. L. Russell, W. D. HopkinsIn human infancy, 2 criteria for intentional communication are (a) persistence in and (b) elaboration of communication when initial attempts to communicate fail. Twenty-nine chimpanzees (Pan troglodytes) were presented with both desirable (a banana) and undesirable food (commercial primate chow). Three conditions were administered: (a) the banana was delivered (successful communication), (b) half of the banana was delivered (partially successful communication), and (c) the chow was delivered (failed communication). The chimpanzees exhibited persistence in and elaboration of their communication in every condition except when the banana was delivered. Thus, their communication was about a specific item, demonstrating that both intentionality and nonverbal reference are capacities shared by humans with our nearest living relatives, the great apes.
History
Publication status
- Published
Journal
Child DevelopmentISSN
0009-3920External DOI
Issue
1Volume
76Page range
291-306Pages
16.0Department affiliated with
- Psychology Publications
Full text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2012-02-06Usage metrics
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