노래부르기를 활용한 언어지도 프로그램이 정신지체아의 언어능력 발달에 미치는 효과
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The purpose of this study was to examine the impact of singing on mentally retarded children's developmental delay in verbal ability, which was one of the major mental retardation phenomena. The subject was a mentally retarded child selected from among children who received special education at J early treatment center in the city of Masan. He was four years old in Western age, delayed in verbal development and interested in signing. He was diagnosed by a pediatric psychiatrist with mental retardation, and was just able to understand words. As singing was expected to enlarge respiratory function, one of the necessary conditions for speaking, remedy articulation disorder and subsequently enhance verbal expressiveness, an experiment was conducted by using multiple probe design to determine its effect. To check his breathing improvement, 10 nails were driven at the interval of 3cm in a wooden board that was 15cm wide and 30cm long, and 10 candles that were 15cm long and 1.6cm wide each were put on the nails. The board was 10cm away from a chair where the child sat down on, and how many candles he brew out was measured. For articulation, the child was asked to read 42 Korean picture cards that included two or three syllables, and his pronunciation was recorded and three observers wrote down the words he pronounced. As to verbal expressiveness, 12 songs were selected from among the songs that the child knew, and he sung the songs with no modification of words or with changed words, and 30 questions related to the words of the selected songs were asked. His response rate was recorded to compare his performance during the base-line, experiment and retention period. As a result, the singing-based verbal guidance program enabled the child to made a big progress in the three areas(respiratory function, articulation, verbal expression) during the experiment, and when a retention test was implemented one week after the experiment, his improvement remained unchanged. Furthermore, that program also served to improve his performance at home.