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I have been deeply involved in sharing my understanding with fellow stutterers, speech and language pathologists and researchers, especially in the 90's. The older part of this blog reports some the discussions I was having on a professional list at that time. Most of the discussions are still relevant today.

I remained involved in the stuttering community, mostly as participant in activities of the National Stuttering Association (NSA), and occasional workshop leader. Since my retirement I have returned to writing, and I just developed an audio course on fluency improvement. A link for the course can be found in this blog, as well as posts based on more recent discussions I am having in a Stuttering Facebook group.

Friday, November 04, 1994

Frequency distribution of stuttering severity

I asked about the statistics of stuttering severity. The answer by Woody Starkweather (Temple University) is that, as for "neary all" disorder severities the distribution is right-skewed with many mild stutteres and few severe ones.

A single number index of stuttering severity has been developed. It's called PDST (Percent Disfluent Speech Time) and it includes "possibly most" elements of stuttering severity. It is computed by dividing the sum of the times of stuttering behavior durations by the total duration of speech time.

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