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C. C. BUNCH, Ph.D.; T. S. RAIFORD, S.B.

Arch Otolaryngol. 1931;13(3):423-434.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

The causes of the variations in auditory acuity that are seen in the results of routine audiometric tests of hospital patients with "normal" hearing have been studied from the point of view of age¹ as well as from that of the effects of certain systemic conditions.² The purpose of the present study is to analyze the differences shown in the results secured by tests of males and females and of white and colored patients.

The records analyzed are, as in the previous studies, secured from tests of patients in the medical and surgical departments of the Johns Hopkins Hospital. All tests were made with the same 1A Western Electric audiometer. The testing was done in the wards or in a small room set apart for that purpose. Neither was ideal for testing hearing, as neither was free from the disturbing effects of accessory noises, but the two . . . [Full Text PDF of this Article]

Author Affiliations
ST. LOUIS; BALTIMORE

From the Otological Research Laboratory, the Johns Hopkins University.

Footnotes
Submitted for publication, May 18, 1930.

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