Abstract
This experimental study examined the efficacy of the vocal function exercise program in improving voice production in individuals with normal voices. 20 young women (M age = 22 yr.) with normal voices, 10 in the Monitored compliance group and 10 in the Unmonitored compliance group, received training in performing vocal function exercises followed by daily practice of the exercises for 28 consecutive days. Participants in the Monitored compliance group were required to submit audio or video recordings of their daily practice of vocal function exercises, and those in the Unmonitored compliance group were not required to record their daily practice sessions. Results indicated that while the participants in both groups significantly increased maximum phonation times and maximum phonational frequency ranges, those in the Monitored group improved significantly more than the participants in the Unmonitored group on these outcome measures.
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