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J Fluency Disord. 2004;29(1):51-62.

Subjective Screening of Stuttering severity, locus of control and avoidance: research edition.

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Rileys Speech and Language Institute, 218 W. Main Suite 102, Tustin, CA 92780, USA.


This article describes the Subjective Screening of Stuttering (SSS): research edition that is designed to quantify the selected self-reports of people who stutter (PWS) prior to, during, and following their treatment. The three areas screened by the SSS are perceived stuttering severity, the level of internal or external locus of control, and reported word or situation avoidance. Each of the areas has two or three items rated for three audiences on a one to nine rating scale. Other available measures were reviewed and the need for a single instrument that provides quantified screening of each of the areas was recognized. Results of a research project using the SSS with 16 PWS indicated that percent of syllables stuttered correlated with stuttering severity (r=0.75) and with locus of control (r=0.43) but did not correlate with avoidance. These results were interpreted to indicate a need for other types of therapy following the experimental treatment studied. Reliability and validity of the SSS were judged adequate for research and clinical screening. The possible role of screening self-reports of PWS in combination with more extensive self-report instruments and with objective measures of stuttering is discussed.


The reader will be able to (1) assess the perception of stuttering severity, avoidance and locus of control of people who stutter (PWS), and (2) determine from the PWS the self-reported outcome of treatment.

[Indexed for MEDLINE]

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