Investigating The Childhood Development Of Working Memory Using Sentences: New Evidence For The Growth Of Chunk Capacity  

Oleh:

Gilchrist, Amanda L. ; Cowan, Nelson ; Naveh-Benjamin, Moshe

Jenis: Article from Journal
Dalam koleksi: Journal of Experimental Child Psychology vol. 104 (2009), page 252–265.
Topik: Child development; Sentence memory; Chunking; Working memory; Capacity limits; Verbal memory
Fulltext: Investigating The Childhood Development Of Working Memory Using Sentences New Evidence For The Growth Of Chunk Capacity.pdf (401.22KB)

Isi artikel

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.

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