The Effect of Exemplar Variability in the Treatment of Functional Speech Sound Disorders
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PublisherThe University of Arizona.
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AbstractPurpose: This study examined the effect of high- vs. low-exemplar variability practice in the treatment of functional speech sound disorders in children. Method: Sixteen children with dual diagnoses of functional speech sound disorders and developmental language disorder received treatment for their speech sound errors. Treatment targeted a singleton speech sound in word-initial position, five-days per week during a six-week summer language program. Half of the children practiced their speech sound target in 24 unique words (high-exemplar variability practice condition) and the other half practiced production of their speech sound target in six unique words repeated four times each (low-exemplar variability practice condition). Generalization probes were used to measure speech sound target learning. Results: Both the high-variability and low-variability conditions produced significant change in the children’s use of their speech sound target posttreatment. No statistical difference was found between conditions; however, the low-variability condition evidenced slightly larger gains. Conclusion: Differences in exemplar variability practice did not significantly influence treatment outcomes for children with functional speech sound disorders. Daily treatment sessions of short duration are a viable service-delivery model for the treatment of functional speech sound disorders.
Degree ProgramGraduate College
Speech, Language, & Hearing Sciences