Selection of Food by Size in the Chimpanzee, and Comparison with Human Judgments

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Science  20 May 1960:
Vol. 131, Issue 3412, pp. 1527-1528
DOI: 10.1126/science.131.3412.1527


Adult chimpanzees, given access to an array of pieces of banana, select the pieces in order of size, larger pieces being taken first. Selection is mediated by perceived sizes, and the responses correspond closely to human visual judgment of size.

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