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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-30838

Cacchione, T; Call, J; Zingg, R (2009). Gravity and solidity in four greatape species (Gorilla gorilla, Pongo pygmaeus, Pan troglodytes, Pan paniscus): Vertical and horizontal variations of the table task. Journal of Comparative Psychology, 123(2):168-180.

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Abstract

Three experiments modeled after infant studies were run on four great ape species (Gorilla gorilla, Pongo pygmaeus, Pan troglodytes, Pan paniscus) to investigate their reasoning about solidity and gravity constraints. The aims were: (a) to find out if great apes are subject to gravity biased search or display sensitivity for object solidity, (b) to check for species differences, and (c) to assess if a gravity hypothesis or more parsimonious explanations best account for failures observed. Results indicate that great apes, unlike monkeys, show no reliable gravity bias, that ape species slightly differ in terms of their performance, and that the errors made are best explained by a gravity account.

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13 citations in Web of Science®
15 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:06 Faculty of Arts > Institute of Psychology
Dewey Decimal Classification:150 Psychology
Language:English
Date:2009
Deposited On:28 Feb 2010 11:48
Last Modified:05 Apr 2016 13:56
Publisher:American Psychological Association
ISSN:0021-9940
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:10.1037/a0013580

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