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Summary Details


Query:   Measuring Standard Fluency Rates
Author:  Gina Joue
Submitter Email:  click here to access email
Linguistic LingField(s):   Applied Linguistics
Sociolinguistics

Summary:   For Query: 12.1396

Hi,

Awhile ago I posted a question of what are all the existing different standards and procedures for measuring a speaker's (dis)fluency index or (dis)fluency rate.

Many thanks to all who replied! These were the responses...

================
Dr. Lee Froninilono wrote:

You may want to attempt a cross index modulation of intonation rate reflex over a an EEG model. This way, fluency will be measuted not over a stat period but over the natural language curve of, say, a standard rate scheme. Moreover, a non reduction is had, keeping full one to one relation between both items!

====
Gedalyovich Chaim and Leah wrote:

> i measure speech rate as syllables per minute (as i was taught by susan bloch in melbourne) others do the same or measure words per minute (eg. ingham from sydney and at one stage janet costello who i think swapped afterwards to syllables per minute). you then count stutters per minute and work out the percentage of dysfluencies. criteria are usually 1% or 2% dysfluencies per minute are considered pathological. this type of counting results in both number and length of dysfluencies influencing the final 'score'. check van riper altho it's a bit old it's a classic. other things to take into account are types of dysfluencies (repetitions versus elongations and shwa insertion) as well as secondary symptoms (eg. facial grimacing)in clinical work i take a base rate of percent dysfluency at every session. this gives me a good measure of progress made.
hope this helps!
leah

=====
Dr. Robin Lickley wrote:

If you're talking about disfluency in normal speech, which, I assume you are, the ''standard'' measure seems to be ''disfluent event'' per hundred words. It is not always clear, though, whether the hundred words includes the disfluent event itself.

I actually used a different measure in my thesis (1994) - words/disfls, but in more recent work I and colleagues here in Edinburgh (*ref below) have counted disfls per 100 ''intended'' words, like Shriberg (in her PhD, 1994, c.f. in http://www.speech.sri.com/people/ees/publications.html ) who counts disfls per 100 ''clean'' words (i.e. removing reparandum words, and fillers etc).

Oviatt, (1995 in Computer Speech and Language, 9.) counts disfls per 100 words, but seems to include the disfluent event in the word count.

See also Bortfeld et al in a recent Language and Speech article.

There's nothing new in all this, of course. Maclay and Osgood (Hesitation Phenomena in Spontaneous English Speech, in Word 15:19-44) also describe some of their data in rates per hundred words.

If you want to see a disfluency annotation scheme that seems to work, go to:
http://www.ling.ed.ac.uk/~robin/maptask/disfluency-coding.html

If you're talking about ''standard'' counting of disfluency rates in stuttered speech, I could do another email on that topic.

All the best,

Robin


(*) H. Branigan, R.J.Lickley and D. McKelvie. (1999) Non-linguistic influences on rates of disfluency in spontaneous speech. (in Proceedings of the ICPhS, San Francisco, pages 387-390).

LL Issue: 12.1576
Date Posted: 15-Jun-2001
Original Query: Read original query


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