Abstract
The size of detectable hearing shifts for individuals in hearing conservation programs is limited by audiometric variability. This talk describes how different audiometric test methods affect threshold. both in terms of accuracy (i.e., the absolute value of the threshold) and precision (i.e., the variability of the threshold). Factors to be discussed include the general test procedure, the number of responses required to estimate threshold in clinical test procedures, the step size used to adjust levels for threshold measurement, and earphone replacement. Data from computer simulations, laboratory tests, and industrial hearing conservation programs will be discussed. [Work supported by VA-DOD.]
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