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Howell, Peter; Anderson, Andrew J.; Bartrip, Jon; Bailey, Eleanor – Journal of Speech, Language, and Hearing Research, 2009
Purpose: The spatiotemporal index (STI) is one measure of variability. As currently implemented, kinematic data are used, requiring equipment that cannot be used with some patient groups or in scanners. An experiment is reported that addressed whether STI can be extended to an audio measure of sound pressure of the speech envelope over time that…
Descriptors: Acoustics, Kinetics, Measurement Techniques, Evaluation Methods
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Davis, Stephen; Shisca, Daniella; Howell, Peter – Journal of Communication Disorders, 2007
Purpose: The study was designed to see whether young children and adolescents who persist in their stutter (N=18) show differences in trait and/or state anxiety compared with people who recover from their stutter (N=17) and fluent control speakers (N=19). Method: A fluent control group, a group of speakers who have been documented as stuttering in…
Descriptors: Speech Communication, Stuttering, Anxiety, Young Children