Retroflex versus bunched in treatment for rhotic misarticulation: Evidence from ultrasound biofeedback intervention
Journal of speech, language, and hearing research : JSLHR | 5 Aug 2014
T McAllister Byun, ER Hitchcock and MT Swartz
To document the efficacy of ultrasound biofeedback treatment for misarticulation of the North American English rhotic in children. Due to poor progress in the first cohort, a series of two closely related studies was conducted in place of a single study. The studies differed primarily in the nature of tongue shape targets (e.g. retroflex, bunched) cued during treatment.
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