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Karimi, Hamid; O'Brian, Sue; Onslow, Mark; Jones, Mark – Journal of Speech, Language, and Hearing Research, 2014
Purpose: Percentage of syllables stuttered (%SS) and severity rating (SR) scales are measures in common use to quantify stuttering severity and its changes during basic and clinical research conditions. However, their reliability has not been assessed with indices measuring both relative and absolute reliability. This study was designed to provide…
Descriptors: Reliability, Syllables, Stuttering, Severity (of Disability)
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O'Brian, Sue; Packman, Ann; Onslow, Mark; O'Brian, Nigel – Journal of Speech, Language, and Hearing Research, 2004
This study investigated the comparative reliability of 2 stuttering measurement tools when used by experienced judges: percentage of syllables stuttered (%SS) and a 9-point severity scale (SEV). The study also investigated the degree to which scores on 1 tool predict scores on the other and the distributions of stuttering when measured by these…
Descriptors: Severity (of Disability), Rating Scales, Interrater Reliability, Stuttering