Comparing children's Homo sapiens and chimpanzees' Pan troglodytes quantity judgments of sequentially presented sets of items

We presented a quantity judgment task that involved comparing two sequentially presented sets of items to preschoolers and chimpanzees using nearly identical procedures that excluded verbal instructions to children. Trial difficulty in this task reflected the ratio difference between sets of discret...

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Bibliographic Details

Published in:	Current Zoology
Main Author:	Michael J. BERAN, Julie S. JOHNSON-PYNN, Christopher READY
Format:	Article
Language:	English
Published:	Oxford University Press 2011-08-01
Subjects:	Numerical cognition Quantity judgments Children Chimpanzees Pan troglodytes
Online Access:	http://www.currentzoology.org/paperdetail.asp?id=11916