"Unoccluded Bone Conduction Screening as an Alternative to Impedance Sc" by B. R. Kelly and G. L. Denniston
 

Unoccluded Bone Conduction Screening as an Alternative to Impedance Screening

Document Type

Article

Publication Date

12-1-1976

Description

The present study was undertaken to determine which intensity level of an unoccluded bone-conducted (BC) signal might be best suited for use as a supplemental procedure to an individual pure-tone air-conduction school screening program. Four intensity levels (0, 5, 10, 15 dB hearing level) of a 500 Hz BC tone were presented in ascending order to a public school population in addition to screening by impedance audiometry and pure-tone air conducted signals. Tetrachoric analysis using impedance screening results as a standard comparison revealed that a 10-dB unoccluded BC signal at 500 Hz provided an effective supplemental procedure for identifying conductive pathology in the population studied.

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