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The purpose of this study was to determine the effectiveness of multisensory input on the discrimination and production abilities of a preschool aged child with a speech sound disorder. The study examined the effect of Van Riper's traditional articulation intervention approach supplemented with multisensory cues taken from the Sound Strategies for Sound Production resource (Treatment B), in contrast to Van Riper's traditional articulation intervention approach alone (Treatment A). One male child, aged 4 years, 4 months, diagnosed with a mild-moderate speech sound disorder, participated in this single subject, alternating treatment study. Treatment was provided for 30 minutes, 3 days a week, for 6 weeks in a quiet room at the Eastern Illinois University (EIU) Speech-Language-Hearing Clinic (Clinic). Two speech sounds (/l/ and /ʃ/) and one consonant cluster (/sp/) were individually targeted during both treatments. Each target was addressed for 6 sessions before moving on to the next target, and treatment types were counterbalanced during each set of 6 sessions. The Goldman-Fristoe Test of Articulation 2 (GFTA-2) was administered pre- and post-treatment to determine change in the participant's speech.
Both treatments proved to be effective in correcting the child's speech sound errors. Although slight gains were evident during certain phases of treatment, no overall significant differences were found between the two treatment types. Despite this lack of significance, the post-treatment GFTA-2 results, and additional subjective data, suggested positive outcomes for the supplementation of multisensory input into a traditional articulation treatment approach.
Maxheimer, Caitlin A., "Using Multisensory Input to Supplement Articulation Intervention" (2013). Undergraduate Honors Theses. 60.