Perceptual Rating Instrument for Speech Evaluation of Stuttering Treatment A rating instrument is described that can be used to assess the results of stuttering treatments. The instrument is designed for use with naive listeners. It yields a comprehensive and detailed description of the speech quality in terms of articulation, phonation, pitch, and loudness; in addition, it includes a naturalness ... Research Article
Research Article  |   April 01, 1995
Perceptual Rating Instrument for Speech Evaluation of Stuttering Treatment
 
Author Affiliations & Notes
  • Marie-Christine Franken
    Department of Voice and Speech Pathology University of Nijmegen Nijmegen, The Netherlands
  • Louis Boves
    Department of Language and Speech University of Nijmegen Nijmegen, The Netherlands
  • Herman F. M. Peters
    Department of Voice and Speech Pathology University of Nijmegen Nijmegen, The Netherlands
  • Ronald L. Webster
    Hollins Communications Research Institute Hollins College Roanoke, VA
  • Contact author: Marie-Christine Franken, Department of Hearing and Speech, University Hospital Rotterdam, Sophia Children’s Hospital, Dr. Molenaterplein 60, 3015 GJ Rotterdam, The Netherlands.
    Contact author: Marie-Christine Franken, Department of Hearing and Speech, University Hospital Rotterdam, Sophia Children’s Hospital, Dr. Molenaterplein 60, 3015 GJ Rotterdam, The Netherlands.×
Article Information
Speech, Voice & Prosodic Disorders / Fluency Disorders / Speech, Voice & Prosody / Speech / Research Articles
Research Article   |   April 01, 1995
Perceptual Rating Instrument for Speech Evaluation of Stuttering Treatment
Journal of Speech, Language, and Hearing Research, April 1995, Vol. 38, 280-288. doi:10.1044/jshr.3802.280
History: Received November 11, 1993 , Accepted September 15, 1994
 
Journal of Speech, Language, and Hearing Research, April 1995, Vol. 38, 280-288. doi:10.1044/jshr.3802.280
History: Received November 11, 1993; Accepted September 15, 1994

A rating instrument is described that can be used to assess the results of stuttering treatments. The instrument is designed for use with naive listeners. It yields a comprehensive and detailed description of the speech quality in terms of articulation, phonation, pitch, and loudness; in addition, it includes a naturalness scale. Analysis of ratings obtained with the instrument show that naturalness is a multidimensional characteristic. Moreover, the speech characteristics that determine the naturalness ratings appear to be different pretreatment, posttreatment, and at follow-up treatment.

The psychometric characteristics of the instrument are analyzed in detail. It is concluded that mixing of samples of stutterers and nonstutterers in one rating experiment may artificially inflate the reliability of the ratings. Also, ratings on equal-appearing interval scales cannot be interpreted in an absolute sense. Solutions for this methodological problem are suggested.

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