| Infants' development of object permanence: a refined methodology and new evidence of Piaget's hypothesized ordinality. | |
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MedLine Citation:
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PMID: 1132268 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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To investigate Piaget's theory of object concept development, a series of 6 tasks was administered in a combined longitudinal/cross-sectional design incorporating a number of methodological controls. The tasks spanned the entire sensorimotor period and included single versus sequential displacements combined with visible or invisible hidings. 36 infants from 5 to 32 months of age at initial testing were drawn equally from day-care and home settings. All infants received the 6 tasks during each of 3 testing sessions over a 6-month period. Clear evidence was obtained for task ordinality as proposed by Piaget, with ordinality coefficients ranging from .71 to .82 for the 3 testing sessions. Performance changes across the 3 sessions were also ordinal in 80% of the cases. Expected age, task, and session effects and accompanying interactions were also obtained. |
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Authors:
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J A Kramer; K T Hill; L B Cohen |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Child development Volume: 46 ISSN: 0009-3920 ISO Abbreviation: Child Dev Publication Date: 1975 Mar |
Date Detail:
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Created Date: 1975-09-05 Completed Date: 1975-09-05 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0372725 Medline TA: Child Dev Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 149-55 Citation Subset: IM |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Age Factors Attention Child Day Care Centers Child Development* Child, Preschool Cognition* Concept Formation Female Humans Infant Male Object Attachment* Psychological Theory Sex Factors Social Environment |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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