Reliability of Voice Tests of Speech Discrimination Three randomizations of a list of twenty-five words were recorded by a single talker on separate days and under identical conditions. One of the recordings was rerecorded three times and these dubbings were acoustically corrected, cut, and spliced into the three different orders. Two groups of twelve subjects each were ... Research Article
Research Article  |   September 01, 1966
Reliability of Voice Tests of Speech Discrimination
 
Author Affiliations & Notes
  • William T. Brandy
    Bioacoustics Laboratory of the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
Article Information
Research Articles
Research Article   |   September 01, 1966
Reliability of Voice Tests of Speech Discrimination
Journal of Speech, Language, and Hearing Research, September 1966, Vol. 9, 461-465. doi:10.1044/jshr.0903.461
History: Received November 29, 1965
 
Journal of Speech, Language, and Hearing Research, September 1966, Vol. 9, 461-465. doi:10.1044/jshr.0903.461
History: Received November 29, 1965

Three randomizations of a list of twenty-five words were recorded by a single talker on separate days and under identical conditions. One of the recordings was rerecorded three times and these dubbings were acoustically corrected, cut, and spliced into the three different orders. Two groups of twelve subjects each were tested. One group listened to the three independent recordings, the other to the three randomizations of the single reading. Statistically significant differences in listener performance were found among the three independent readings of the word list, but no differences were found among the randomizations of the single reading. These results indicate that repeated readings of a list of words do not necessarily give equivalent forms of a test of speech discrimination.

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