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J Gerontol. 1991 Mar;46(2):P67-70.

Decision criteria for pure-tone detection used by two age groups of normal-hearing and hearing-impaired listeners.

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Naval Submarine Medical Research Laboratory, Groton, Connecticut.


Response criteria from a yes-no task and detection thresholds from two test procedures were measured for four groups of adults: younger normal-hearing, older normal-hearing, younger hearing-impaired, and older hearing-impaired. The two test procedures were an audiological procedure (which does not control for response bias) and a 21FC adaptive procedure (which does control for bias). The signal was a 500 or 4000 Hz tone presented in quiet. All four groups showed an equally conservative response bias in the yes-no task. In addition, neither age nor hearing loss affected the difference (6.5 dB) between the two threshold measures.

[Indexed for MEDLINE]

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