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 SRCLD Presentation Details 

    Application of the Variability Principle to the Treatment of Developmental Speech Sound Disorder  
Trianna Oglivie - University of Arizona
Elena Plante - University of Arizona

SRCLD Year: 2019
Presentation Type: Poster Presentation
Poster Number: PS3S13
Presentation Time: Sat, Jun 8, 2019 from 8:30a-10:00a
Purpose: This research study examined the effect of high- vs. low-variability exemplar production practice in the treatment of developmental speech sound disorder.

Method: Sixteen children with developmental speech sound disorder received treatment for their speech sound errors. Treatment targeted singleton speech sounds in word-initial position, five-days per week for five weeks. Half of the children practiced their speech sound target in 24 unique words (high-variability exemplar practice condition) and the other half practiced production of their speech sound target in six unique words repeated four times each (low-variability exemplar practice condition). Generalization probes were used to measure speech sound target acquisition.

Results: Both the high-variability and low-variability conditions produced significant change in the children’s use of their speech sound target. No statistical difference was found between conditions; however, the low-variability condition evidenced slightly larger gains.

Conclusion: Daily treatment sessions of short duration are a viable service-delivery model for the treatment of developmental speech sound disorder. Differences in exemplar variability practice did not significantly influence treatment outcomes for children with developmental speech sound disorder.

Research was supported by the ASHFoundation and the NIDCD of the NIH under award number 5R01DC015642-03.
Supported in part by: NIDCD and NICHD, NIH, R13 DC001677, Susan Ellis Weismer, Principal Investigator
University of Wisconsin-Madison - Department of Communication Sciences and Disorders