Document Detail

Infants' developing appreciation of similarities between model objects and their real-world referents.
MedLine Citation:
PMID:  17107454     Owner:  NLM     Status:  MEDLINE    
Previous research suggests that model competence does not emerge until relatively late in infancy (20-26 months). Development was systematically analyzed within 3 key areas--count noun learning, dual representation, and categorization-hypothesized to support the emergence of model competence in the second year. In an object-handling preferential looking task, 21- to 26-month-olds matched model objects to referents only when count noun knowledge was high. When dual representation demands were reduced through the use of pictures in place of model objects, 20-month-olds with low count noun vocabularies succeeded in relating symbols to referents. Finally, change in infants' construal of a model object as a member of a category was documented between 14 and 20 months of age.
Barbara A Younger; Kathy E Johnson
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Child development     Volume:  77     ISSN:  0009-3920     ISO Abbreviation:  Child Dev     Publication Date:    2006 Nov-Dec
Date Detail:
Created Date:  2006-11-19     Completed Date:  2007-02-15     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0372725     Medline TA:  Child Dev     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1680-97     Citation Subset:  IM    
Purdue University, Department of Psychological Sciences, 703 Third Street, West Lafayette, IN 47907-2081, USA.
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MeSH Terms
Child Development*
Verbal Learning
Visual Perception

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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