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Workshop on the Auditory Basis of Speech PerceptionKeele University, UK |
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Recently the prosodic aspects of speech have received more and more attention. Tapping and adjustment methods to determine the rhythmical differences introduced by structural and/or physical modified stimuli are quite common in investigations concerning the parameters which influence the rhythmical structure of speech. For the experiments described here the subjects had to perform a synchronisation task by tapping to sequences of German monosyllabic words or "click" sounds. Despite comparatively small but significant mean differences and compared to the literature normal standard deviations the range of simultaneousness as determined by the subjects is quite large (up to 420 ms). Discussing small but significant mean values to determine whether or not the modifications of the stimulus material had had an influence in the expected manner one therefore should keep in mind that the millisecond scale might not be the best scale to judge perceptual timing differences and that the actual simultaneousness judgments might still differ considerably.
Bibliographic reference. Janker, Peter M. (1996): "The range of subjective simultaneousness in tapping experiments with speech stimuli", In ABSP-1996, 204-207.