Correlation Between Frequency and Perceptual Severity of Stuttering in a Clinical Setting Purpose: The purpose of this study is to further explore the relationship between the frequency of stuttering measured in percentage of syllables stuttered (%SS) and perceptual ratings of stuttering severity by the clinician and the client in a clinical setting. Method: Eight adolescent and adult participants attending a stuttering therapy ... Article
Article  |   November 01, 2013
Correlation Between Frequency and Perceptual Severity of Stuttering in a Clinical Setting
Author Affiliations & Notes
  • Farzan Irani
    Department of Communication Disorders, Texas State University — San Marcos, San Marcos, TX
  • Edge Megan
    Department of Communication Disorders, Texas State University — San Marcos, San Marcos, TX
  • Disclosure: Financial: Farzan Irani is an assistant professor in the Department of Communication Disorders at Texas State University-San Marcos. Megan Edge is a graduate student in the Department of Communication Disorders at Texas State University-San Marcos.
    Disclosure: Financial: Farzan Irani is an assistant professor in the Department of Communication Disorders at Texas State University-San Marcos. Megan Edge is a graduate student in the Department of Communication Disorders at Texas State University-San Marcos.×
    Nonfinancial: Farzan Irani has previously published in this subject. Farzan Irani is the associate editor for Perspectives on Fluency and Fluency Disorders. Megan Edge has no nonfinancial interests to disclose.
    Nonfinancial: Farzan Irani has previously published in this subject. Farzan Irani is the associate editor for Perspectives on Fluency and Fluency Disorders. Megan Edge has no nonfinancial interests to disclose.×
Article Information
Speech, Voice & Prosodic Disorders / Fluency Disorders / Articles
Article   |   November 01, 2013
Correlation Between Frequency and Perceptual Severity of Stuttering in a Clinical Setting
SIG 4 Perspectives on Fluency and Fluency Disorders, November 2013, Vol. 23, 70-78. doi:10.1044/ffd23.2.70
SIG 4 Perspectives on Fluency and Fluency Disorders, November 2013, Vol. 23, 70-78. doi:10.1044/ffd23.2.70

Purpose: The purpose of this study is to further explore the relationship between the frequency of stuttering measured in percentage of syllables stuttered (%SS) and perceptual ratings of stuttering severity by the clinician and the client in a clinical setting.

Method: Eight adolescent and adult participants attending a stuttering therapy program and their graduate student clinicians perceptually rated stuttering severity using a 9‐point scale. Speech samples were gathered during each therapy session for a total of 167 speech samples. Further, each sample was analyzed for %SS. A Pearson Product Moment Correlation (PPMC) was used to determine the strength and direction of correlations between %SS and perceptual ratings by the clinician and client.

Results: The correlational analysis indicates significant positive correlations between perceptual severity ratings by the clinician and client as well as %SS. Correlation between perceptual ratings was stronger than the correlation between perceptual ratings and %SS.

Conclusion: The strong, positive correlation between the client's self‐measurement and the clinician's perceptual measurement indicates similarities in global severity of stuttering perception. Weaker correlation between %SS and perceptual ratings indicates the need to incorporate a more holistic measure of stuttering severity. Implication and directions for future research are discussed.

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