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Date of Award

1987

Document Type

Thesis - Pacific Access Restricted

Degree Name

Master of Arts (M.A.)

Department

Conservatory of Music

First Advisor

Paul J. Fogle

First Committee Member

David E. Wolfe

Second Committee Member

Audree S. O'Connell

Third Committee Member

Simalee Smith

Abstract

A single subject, diagnosed as having severe oral apraxia and dysarthria, participated in an eight-week research experiment designed to study the effects of singing on speech articulation. A simultaneous treatment design was used in which the subject participated in both the e xperimental and control conditions. In the control condition spoken words were repeated by the subject, while in the experimental condition the words were sung. The words used were the lyrics to two popular folk songs. Articulatory accuracy (intelligibility) was judged by two graduate level speech therapists, based on audiotape samples of the subject's responses, recorded on a "Language Master" machine. Judges were also asked to rate their degree of confidence about their judgements. Results indicated significantly higher scores at the .05 level for the singing condition than for the non-singing condition. Degree of confidence ratings were similar for both conditions. It was also observed that a significantly greater number of consonant blends were correctly articulated in the singing condition than in the nonsinging condition.

Pages

56

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