ADULT AGE DIFFERENCES IN VOCABULARY ACQUISITION

Both working memory (WM) and existing vocabulary knowledge are used when the meaning of a new word is deciphered in context. Age-related WM deficits and vocabulary strengths suggest that younger and older adults rely on these factors differently. Participants gave definitions for rare, novel words t...

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Bibliographic Details
Published in:Educational gerontology 2000-10, Vol.26 (7), p.651-664
Main Author: Laumann Long, Raymond J. Shaw, Lisa
Format: Article
Language:English
Subjects:
Age Differences
Definitions
Memory
Older Adults
Vocabulary Development
Young Adults
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Summary:Both working memory (WM) and existing vocabulary knowledge are used when the meaning of a new word is deciphered in context. Age-related WM deficits and vocabulary strengths suggest that younger and older adults rely on these factors differently. Participants gave definitions for rare, novel words that appeared in short passages. Three measures of each individual difference factor (WM and vocabulary) were administered. Older adults gave more complete definitions for the novel words, had higher vocabulary knowledge test scores, but reduced WM scores compared to younger adults. As predicted, existing vocabulary knowledge contributed more to extracting word meaning from context than did WM for the older adults only.
ISSN:0360-1277
1521-0472
DOI:10.1080/03601270050200644