Descriptor
| Animals | 1 |
| Communication (Thought… | 1 |
| Food | 1 |
| Incentives | 1 |
| Nonverbal Communication | 1 |
| Persistence | 1 |
| Positive Reinforcement | 1 |
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| Child Development | 1 |
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| Journal Articles | 1 |
| Reports - Research | 1 |
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Direct linkLeavens, David A.; Russell, Jamie L.; Hopkins, William D. – Child Development, 2005
In 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…
Descriptors: Persistence, Animals, Positive Reinforcement, Food
