| Number | 395 |
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| Year | 1982 |
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| Drawer | 7 |
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| Entry Date | 11/19/1999 |
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| Authors | Rakerd, B., Dechovitz, D. R., & Verbrugge, R. R. |
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| Publication | Language and Speech, 25, 267-282. |
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| Abstract | Experiment 1 tested the effects of sentence finality & talker change on the perception of the distinction between shop & chop. Two different talkers recorded final & nonfinal versions. Each stimulus was created by pairing a precursor with a specific silent interval & target word derived from the above recordings. Subjects (N = 29) listened to stimuli & identified targets as either shop or chop. Experiment 2 used a subset of experiment 1 stimuli & asked Subjects (N = 8) to judge the number of talkers heard & to make phonetic judgments about the stimuli. The presence or absence of silence was found to be a relevant cue for perception of the affricate/fricative distinction in sentence-medial position, but not at the sentence boundary. This was so in all cases where both target words & precursors were produced by the same talker, & in some cases when they were produced by different talkers. The effect was not dependent on the specific duration of the silent interval, nor on listeners' perceptions of how many talkers were involved. Results are seen as consistent with the principle that silence can have phonetic significance for a listener only when it is perceived to have occurred in a stretch of speech that was articulated continuously. |
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