Does the Spatiotemporal Index (STI) Overestimate Instability in Slow Speech? Investigating Template Effects on the STI Across Different Speaking Rates.

PURPOSE: The spatiotemporal index (STI) is widely used to measure variability across repeated speech stimuli. One of the most well-established findings is that STI values increase when speakers are cued to slow their articulatory rate. However, the m…

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