Factors Affecting Speech Discrimination Test Difficulty Changes in item and overall test difficulty of speech discrimination and intelligibility tests were examined as a function of: carrier phrase, talker, reutterances by a talker, and level of accompanying noise. The results indicate that all of these variables must be considered in test development. Only the actual recordings of ... Research Article
Research Article  |   June 01, 1969
Factors Affecting Speech Discrimination Test Difficulty
 
Author Affiliations & Notes
  • E. James Kreul
    Stanford Research Institute, Menlo Park, California
  • Donald W. Bell
    Stanford Research Institute, Menlo Park, California
  • James C. Nixon
    Stanford Research Institute, Menlo Park, California
Article Information
Research Articles
Research Article   |   June 01, 1969
Factors Affecting Speech Discrimination Test Difficulty
Journal of Speech, Language, and Hearing Research, June 1969, Vol. 12, 281-287. doi:10.1044/jshr.1202.281
History: Received June 12, 1968
 
Journal of Speech, Language, and Hearing Research, June 1969, Vol. 12, 281-287. doi:10.1044/jshr.1202.281
History: Received June 12, 1968

Changes in item and overall test difficulty of speech discrimination and intelligibility tests were examined as a function of: carrier phrase, talker, reutterances by a talker, and level of accompanying noise. The results indicate that all of these variables must be considered in test development. Only the actual recordings of the spoken lists of words can be considered to be the test material; the word lists, in and of themselves, should not be thought of as test material.

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