Cordes A K, Ingham R J
Department of Speech and Hearing Sciences, University of California, Santa Barbara 93106-7050.
J Speech Hear Res. 1994 Aug;37(4):779-88. doi: 10.1044/jshr.3704.779.
The study reported in this article used a binary forced-choice judgment procedure to investigate the effects of sample duration on observers' judgements of stuttering. Two groups of judges, differing in their previous experience with stuttering, categorized 270 speech intervals as stuttered or nonstuttered; the intervals were drawn from 30 persons who stuttered and ranged from 1 sec to 15 sec in duration. Results showed that judgments were consistently related to interval duration, with shorter intervals significantly more likely than longer intervals to be labeled nonstuttered. Interjudge agreement levels, however, were largely unaffected by the different interval durations for most speakers and for both judge groups, with the exception of the longest and shortest intervals drawn from speakers evidencing the mildest and most severe stuttering. An interval duration in the 3- to 5-sec region appeared to attract the most satisfactory level of agreement. The implications of these findings for interval-based clinical and experimental measurements of stuttering are discussed.
本文所报道的研究采用二元强制选择判断程序，以调查样本时长对观察者对口吃判断的影响。两组法官在口吃方面的既往经验有所不同，他们将270个言语片段归类为口吃或非口吃；这些片段取自30名口吃者，时长从1秒到15秒不等。结果显示，判断结果与片段时长始终相关，较短的片段比较长的片段更有可能被标记为非口吃。然而，除了从口吃程度最轻和最重的说话者那里获取的最长和最短片段外，对于大多数说话者以及两个法官组而言，不同的片段时长在很大程度上并未影响法官间的一致程度。3至5秒区间的片段时长似乎能吸引到最令人满意的一致程度。本文还讨论了这些发现对口吃基于片段的临床和实验测量的意义。
