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Original Article

Diurnal Variability of Auditory Threshold

Pages 139-142 | Received 13 Aug 1963, Published online: 08 Jul 2009
 

Abstract

The absolute threshold for hearing was measured at 7 a.m., noon, 5 p.m., and midnight for 4 days on 6 listeners. No diurnal periodicity appeared, indicating that time of day per se does not constitute a significant source of variance in studies using absolute sensitivity as the dependent variable.

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