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ERIC Number: EJ834747
Record Type: Journal
Publication Date: 2005-Jul
Pages: 17
Abstractor: As Provided
Reference Count: 25
ISSN: ISSN-1524-8372
Object Individuation in 10-Month-Old Infants Using a Simplified Manual Search Method
Xu, Fei; Baker, Allison
Journal of Cognition and Development, v6 n3 p307-323 Jul 2005
Several investigators find that infants fail to use property information to individuate objects until 12 months of age (e.g., Xu & Carey, 1996), while others find that infants successfully employ property information in the service of object individuation at 9.5 months (e.g., Wilcox & Baillargeon, 1998a). This study investigated methodological differences between 2 sets of studies that may help to resolve this apparent conflict. It was hypothesized that infants younger than 12 months rely heavily on spatiotemporal information and it overrides any conflicting property information. In 2 experiments, we used a simplified manual search procedure much like Wilcox and Baillargeon's (1998a) simplified looking time procedure by reducing the number of alternations of the objects. Results suggest that when the spatiotemporal evidence specifying a single object that changes properties is weaker, 10-month-old infants succeed in using property information for object individuation. (Contains 2 figures and 2 footnotes.)
Psychology Press. Available from: Taylor & Francis, Ltd. 325 Chestnut Street Suite 800, Philadelphia, PA 19106. Tel: 800-354-1420; Fax: 215-625-2940; Web site:
Publication Type: Journal Articles; Reports - Research
Education Level: Early Childhood Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Location: Massachusetts