휴대용 음성 피드백 도구의 사용이 과기능적 음성 행동의 발생 빈도에 미치는 영향
The Effect of a Portable Voice Feedback Device on the Hyperfunctional Voice Behaviors of Children with Vocal Nodules
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초록
This study attempted to examine the effects of a portable voice feedback device on the hyperfunctional voice behaviors of children with vocal nodules when they wore the device in their daily lives. The device could set fundamental frequency and intensity at optimal levels for the subjects. It produces an audible alarm for inappropriate hyperfunctional voices beyond the preset levels. In addition, the frequency of hyperfunctional voice behaviors was recorded by the device, therefore the users were able to chart their number of hyperfunctional voice behaviors per day. According to results acquired after having subjects wear the device for 12 weeks, the subjects' frequency of hyperfunctional voice behaviors decreased significantly (p<.01). Especially from the first to fourth week, the frequency of their hyperfunctional voice behaviors declined significantly.
Abstract
This study attempted to examine the effects of a portable voice feedback device on the hyperfunctional voice behaviors of children with vocal nodules when they wore the device in their daily lives. The device could set fundamental frequency and intensity at optimal levels for the subjects. It produces an audible alarm for inappropriate hyperfunctional voices beyond the preset levels. In addition, the frequency of hyperfunctional voice behaviors was recorded by the device, therefore the users were able to chart their number of hyperfunctional voice behaviors per day. According to results acquired after having subjects wear the device for 12 weeks, the subjects' frequency of hyperfunctional voice behaviors decreased significantly (p<.01). Especially from the first to fourth week, the frequency of their hyperfunctional voice behaviors declined significantly.
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