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ERIC Number: EJ870668
Record Type: Journal
Publication Date: 2009-Oct
Pages: 14
Abstractor: As Provided
Reference Count: 0
ISSN: ISSN-0022-0965
Investigating the Childhood Development of Working Memory Using Sentences: New Evidence for the Growth of Chunk Capacity
Gilchrist, Amanda L.; Cowan, Nelson; Naveh-Benjamin, Moshe
Journal of Experimental Child Psychology, v104 n2 p252-265 Oct 2009
Child development is accompanied by a robust increase in immediate memory. This may be due to either an increase in the number of items (chunks) that can be maintained in working memory or an increase in the size of those chunks. We tested these hypotheses by presenting younger and older children (7 and 12 years of age) and adults with different types of lists of auditory sentences: four short sentences, eight short sentences, four long sentences, and four random word lists, each read with a sentence-like intonation. Young children accessed (recalled words from) fewer clauses than did older children or adults, but no age differences were found in the proportion of words recalled from accessed clauses. We argue that the developmental increase in memory span was due to a growing number of chunks present in working memory with little role of chunk size. (Contains 4 figures and 2 tables.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A