During the winter of 1928 we, together with a small group of associates, began an investigation on the question of partial deafness as a problem in education. As the study was originally outlined, and ultimately carried out, it called for extensive cooperation from a number of independent groups, to all of whom, to be named seriatim in the body of this paper, we are indebted. The results of the general research will be presented in this communication in preliminary form.
Some years ago, one of us1 showed that in cases in which anatomic defects or concrete pathologic changes could be eliminated the level of aural acuity, as measured by audiometric devices, was an index of the nutritional level of the individual. With this as a starting point, the succeeding phases of the study may be enumerated as (a) the individual examination of all subjects showing apparent hearing defects of
ROWE AW, DRURY DW. VITAL FUNCTION STUDIES: IX. FAILURE OF HEARING IN THE YOUNG: A STUDY OF A RURAL COMMUNITY. JAMA. 1932;98(18):1539–1542. doi:10.1001/jama.1932.02730440019005
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