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American Journal of Audiology Vol.12 137-145 December 2003. doi:10.1044/1059-0889(2003/021)
© American Speech-Language-Hearing Association
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Older Adult Performance on an Altered Version of the SSI Test

Nancy L. Aarts 1, Elizabeth M. Adams 1, and Kathy R. Duncan 1

1 University of South Alabama, Mobile

naarts{at}usouthal.edu

The Synthetic Sentence Identification (SSI) test has been used extensively in investigations of reduced speech understanding skills in older adults. In this study the SSI test was altered by adding noise to the competing message and by administering practice lists and equivalent test lists, as well as versions of the test that have 4- and 12-s interstimulus intervals (ISIs), along with the standard 8-s ISI. The purpose was to determine the effect of these alterations on performance in a group of older adults with average pure-tone average 2 values less than 33 dB HL. Performance changed as a function of the ISI, with less rollover occurring for the 4-s ISI condition than the other 2 ISIs.

Key Words: speech understanding, Synthetic Sentence Identification test, interstimulus interval, aging, older adult

Submitted on April 29, 2003
Accepted on October 23, 2003


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