Effects of Instructional Set on the Comfortable Loudness Range

Abstract
Normal-hearing young adult subjects (10) measured their Comfortable Loudness Rangers (CLR) using 2 instructional sets. The 1st instructional set (range tracking) was similar to the Bekesy Comfortable Loudness tracking method described by Jerger and Jerger. The 2nd instructional set (limit tracking) required the subjects to perform separate trackings of each limit (upper and lower) of their CLR. There was a 34.4 dB difference between CLR for the 2 instructional sets. The range tracking method yielded the narrowest CLR. Both instructional sets yielded similar upper limits of the CLR, but there was a large (32 dB) difference between the lower limits of the CLR. The results of the present investigation demonstrated the importance of instructions employed in research and clinical measurements of the CLR.

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