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Cacchione, Trix; Call, Josep – Developmental Science, 2010
We investigated whether great apes, like human infants, monkeys and dogs, are subject to a strong gravity bias when tested with the tubes task, and--in case of mastery--what the source of competence on the tubes task is. We presented 22 apes with three versions of the tubes task, in which an object is dropped down a tube connected to one of three…
Descriptors: Cues, Infants, Inferences, Animals
Decarie, Therese Gouin – 1973
The research reported in this symposium paper attempts to underline a Piagetian distinction concerning object concept which has tended to be ignored by psychologists working along Piagetian lines. More specifically, this research tested the hypothesis that intellectual development plays a role in the development of stranger reactions. The subjects…
Descriptors: Behavior Patterns, Behavior Rating Scales, Developmental Psychology, Discrimination Learning