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Lourenco, Stella F.; Addy, Dede; Huttenlocher, Janellen; Fabian, Lydia – Developmental Science, 2011
When geometric and non-geometric information are both available for specifying location, men have been shown to rely more heavily on geometry compared to women. To shed insight on the nature and developmental origins of this sex difference, we examined how 18- to 24-month-olds represented the geometry of a surrounding (rectangular) space when…
Descriptors: Object Permanence, Cues, Females, Geometric Concepts
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Leekam, Susan R.; Solomon, Tracy L.; Teoh, Yee-San – Developmental Science, 2010
Three experiments investigated the effect of an adult's social cues on 2- and 3-year-old children's ability to use a sign or symbol to locate a hidden object. Results showed that an adult's positive, engaging facial expression facilitated children's ability to identify the correct referent, particularly for 3-year-olds. A neutral facial expression…
Descriptors: Object Permanence, Cues, Nonverbal Communication, Adults
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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
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Okamoto-Barth, Sanae; Tomonaga, Masaki; Tanaka, Masayuki; Matsuzawa, Tetsuro – Developmental Science, 2008
The use of gaze shifts as social cues has various evolutionary advantages. To investigate the developmental processes of this ability, we conducted an object-choice task by using longitudinal methods with infant chimpanzees tested from 8 months old until 3 years old. The experimenter used one of six gestures towards a cup concealing food; tapping,…
Descriptors: Object Permanence, Cues, Behavioral Science Research, Infants