Abstract
A comparison of esophageal and normal speaker intelligibility based on listener responses to CNC (Consonant-Syllable Nucleus), Cluster and Spondee word lists was conducted. Statistical analysis reveals that the esophageal and normal populations were significantly different from each other on all measures of intelligibility used in this study. Speakers in both groups maintained the same rank with respect to each other across lists and orders of presentation. There were significant differences between subjects in both groups, but not between word lists or order of presentation. Significant interactions between subject, lists, and orders were obtained for both populations. The results of this study indicate that it should be possible to devise objective measures of esophageal intelligibility based on listener responses to single words.

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