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Experimental Aging Research
An International Journal Devoted to the Scientific Study of the Aging Process
Volume 36, 2010 - Issue 3
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Original Articles

Age Differences and Format Effects in Working Memory

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Pages 273-286 | Received 21 Feb 2008, Accepted 25 Nov 2008, Published online: 08 Jun 2010
 

Abstract

Format effects refer to lower recall of printed words from working memory when compared to spoken words or pictures. These effects have been attributed to an attenuation of attention to printed words. The present experiment compares younger and older adults' recall of three or six items presented as pictures, spoken words, printed words, and alternating case WoRdS. The latter stimuli have been shown to increase attention to printed words and, thus, reduce format effects. The question of interest was whether these stimuli would also reduce format effects for older adults whose working memory capacity has fewer attentional resources to allocate. Results showed that older adults performed as well as younger adults with three items but less well with six and that format effects were reduced for both age groups, but more for young, when alternating case words were used. Other findings regarding executive control of working memory are discussed. The obtained differences support models of reduced capacity in older adult working memory.

Notes

Note. The values are trimmed means.

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