Table 3.

Approaches used in fine tuning signal processing features. Respondents were instructed to choose all applicable approaches and were able to select more than one approach.

	Gain	WDRC Time Constant	Noise Suppression	Feedback	Directional Mic	Frequency Lowering
Approach
I do not use/ No Approach	NA	0%	0%	1%	0%	8%
No fine tuning	NA	35%^	1%	4%	5%	2%
Patient report	98%*	48%^	96%*	81%*	86%*	82%*
Manufacturer's software recommendation	42%^	46%^	55%*	59%*	50%^	49%^
My own expertise	95%*	52%^	91%*	87%*	87%	80%
Info: articles, conferences, colleagues	51%*	27%^	42%^	27%^	40%^	37%^
Info: manufacturer	37%^	22%^	36%^	29%^	35%^	31%^
Loudness measures	27%^	7%	10%^	5%	4%	4%
TEN test for dead regions	3%	1%	1%	1%	1%	0%
Cognitive Assessments/Screenings	3%	3%	3%	0%	1%	3%
Acceptable Noise Level Tests	5%	3%	4%	2%	1%	2%

A * in cells indicates approaches used by a majority (>50%) of audiologists;

a ^ in cells indicates approach used by some (10-50%) audiologists;

NA indicates the approach is not applicable (NA).