A Method of Predicting the Optimum Listening Levels of Hearing-Impaired Children

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Abstract
In order to develop a simple method of predicting optimum listening levels for hearing-impaired children who are unable to perform satisfactorily on speech tests of hearing, this study examined the relationship between the threshold for pure tones and the known optimum listening levels for 53 children with a prelingual sensori-neural loss attending a residential special school for the hearing impaired. The hypothesis that the optimum listening levels of these children would be close to the midpoint of their dynamic range was proposed. The sample was divided into groups according to aetiology. Aetiology proved to be an important factor in the relationship examined and in the methods of predicting optimum listening levels (accura-cy±5 dB) which are described. The results and methods are compared with three other recent studies concerned with the amplification requirements of hearing-impaired children.

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