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Two mechanisms in the stimulus suffix effect.

Authors
Type
Published Article
Journal
Memory & cognition
Publication Date
Volume
4
Issue
2
Pages
144–149
Identifiers
DOI: 10.3758/BF03213156
PMID: 21287015
Source
Medline
License
Unknown

Abstract

The stimulus suffix is a redundant item presented immediately after a stimulus list. Its effect is the selective impairment of recall of the final items in a serially recalled, auditorily presented list of unconnected items. Two experiments indicate that there was no difference between the effects of suffixes .5 and 1.0 sec after the end of a digit list presented at a rate of one digit/sec. This suggests that the effect of the suffix, in this case the vowel sound "ah," is not a simple function of its time of arrival after the final digit, as has been thought. The possibility of more complex factors was supported in a further experiment which showed a slight reduction in the size of the suffix effect by repeating the suffix three times.

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