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pp.19-22
Published Date 1963/1/20
DOI https://doi.org/10.11477/mf.1492202989

Hearing tests by means of play-, cor-and startle-response-audiometry were conducted among 57 children below the age 7, who were menatlly difficient. The applicability of the tests play-and cor-audiometry in te-sting these children was definitely lower in value when compared to normal children at the level of equal mental development. The threshold hearing among the mentally deffi-cient compared to normal children by actual age was lowered by 4 to 7 db; by mental, age, however, each group agreed with the other.


Copyright © 1963, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 印刷版ISSN 0386-9679 医学書院

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