Predicting Treatment Time and Long-Term Outcome of the Lidcombe Program: A Replication and Reanalysis Purpose The present study presents treatment duration and outcome data on 14 children who stutter (CWS) recently treated by the Lidcombe Program (LP). These data were then combined with data from a previous LP treatment study (Miller & Guitar, 2009) to examine predictor variables for treatment duration and outcome. The ... Research Article
Research Article  |   August 01, 2015
Predicting Treatment Time and Long-Term Outcome of the Lidcombe Program: A Replication and Reanalysis
 
Author Affiliations & Notes
  • Barry Guitar
    The University of Vermont, Burlington, VT
  • Danra Kazenski
    The University of Vermont, Burlington, VT
  • Alan Howard
    The University of Vermont, Burlington, VT
  • S. Freddie Cousins
    The University of Vermont, Burlington, VT
  • Elena Fader
    The University of Vermont, Burlington, VT
  • Piper Haskell
    The University of Vermont, Burlington, VT
  • Disclosure: The authors have declared that no competing interests existed at the time of publication.
    Disclosure: The authors have declared that no competing interests existed at the time of publication. ×
  • Correspondence to Barry Guitar: bguitar@uvm.edu
  • Editor: Krista Wilkinson
    Editor: Krista Wilkinson×
  • Associate Editor: Shelley Brundage
    Associate Editor: Shelley Brundage×
Article Information
Speech, Voice & Prosodic Disorders / Fluency Disorders / Speech, Voice & Prosody / Research Articles
Research Article   |   August 01, 2015
Predicting Treatment Time and Long-Term Outcome of the Lidcombe Program: A Replication and Reanalysis
American Journal of Speech-Language Pathology, August 2015, Vol. 24, 533-544. doi:10.1044/2015_AJSLP-13-0156
History: Received December 29, 2013 , Revised June 29, 2014 , Accepted June 23, 2015
 
American Journal of Speech-Language Pathology, August 2015, Vol. 24, 533-544. doi:10.1044/2015_AJSLP-13-0156
History: Received December 29, 2013; Revised June 29, 2014; Accepted June 23, 2015
Web of Science® Times Cited: 5

Purpose The present study presents treatment duration and outcome data on 14 children who stutter (CWS) recently treated by the Lidcombe Program (LP). These data were then combined with data from a previous LP treatment study (Miller & Guitar, 2009) to examine predictor variables for treatment duration and outcome. The present study also provides evidence of the effectiveness of LP from researchers who are independent of the developers of the program.

Method Fourteen preschool CWS were assessed on stuttering severity variables and participant characteristics prior to treatment, given LP treatment, and reassessed 2 years after the children achieved stable fluency. These children's data were added to the data of 15 previously treated CWS to examine predictors of treatment duration and long-term outcome. Preliminary analysis lead to the identification of two predictors that were tested in a generalized linear model.

Results For the new group of 14 CWS, median treatment duration was 15 clinic visits and resulted in near-zero stuttering long term for most of the children and substantial reductions in stuttering for all of the children. For the combined group of 29 children, pretreatment stuttering frequency and severity were the best predictors of treatment duration in both clinic visits and weeks.

Conclusions Children with more frequent and more severe stuttering may take longer in LP treatment. Long-term outcome may best be predicted by pretreatment stuttering and sex.

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