Manning W H, Lee B A, Laas N J
J Commun Disord. 1978 Feb;11(1):11-5. doi: 10.1016/0021-9924(78)90049-7.
The purpose of this investigation was to explore the possibility of using time-expanded speech to aid clinicians in the identification of one-, two-, and three-unit repetitions of stutterers. Tape-recorded samples of nine stutterers (five adults and four children) were time-expanded to 0%, 150%, and 200% of original time. Thirty graduate student clinicians listened individually to the speech samples under the three listening conditions. The three conditions were presented in a counterbalanced order. Clinicians were asked to indicate each occurrence of one-, two-, or three-unit part-word repetitions on a response sheet. Results indicated that time expansion of the stutterers' speech by 150% or 200% of the original time resulted in significantly (P less than 0.05) more accurate identification one-unit part-word repetitions. Time expansion did not, however, provide a perceptual advantage for the identification of two- and three-unit part-word repetitions. Implications for clinical application and further investigation are discussed.
本研究的目的是探讨使用时间扩展语音来帮助临床医生识别口吃者的单音节、双音节和三音节重复的可能性。对九名口吃者（五名成年人和四名儿童）的录音样本进行时间扩展，分别扩展至原始时间的0%、150%和200%。30名研究生临床医生在三种聆听条件下分别聆听语音样本。这三种条件以平衡顺序呈现。要求临床医生在答题纸上指出每一次单音节、双音节或三音节部分单词重复的情况。结果表明，将口吃者的语音时间扩展至原始时间的150%或200%时，单音节部分单词重复的识别准确率显著提高（P<0.05）。然而，时间扩展在识别双音节和三音节部分单词重复方面并未提供感知优势。文中讨论了其在临床应用和进一步研究中的意义。
