TABLE 1.

Electrophysiology-based predictions of speech-understanding SNR50s for Experiment 1 (steady-state noise; EPs & IEEE sentences at 80 dB C) and Experiment 3 (babble noise; EPs at 65 dB SPL; QuickSIN at 70 dB HL, WIN at 84 dB HL)

Model Development				Model Accuracy
Predicted Variable	Training Group	EP Measures	EP SNR (dB)	Test Group	RMPSE (dB)
Experiment 1*
IEEE SNR50
	YNH	5 peak + 2 area	5	YNH	0.7
			5	ONH	1.9
			5	OHI	16.7
		2 area	5	YNH	0.7
			5	ONH	2.7
			5	OHI	16.5
	OHI	5 peak + 2 area	5	OHI	7.8
		2 area	5	OHI	6.9
Experiment 3†
QuickSIN SNR50
	All subjects	2 peak + 2 area	9	YNH	1.1
			9	ONH	1.2
			9	OHI	1.2
			9	All subjects	1.2
WIN SNR50
	All subjects	2 peak + 2 area	9	YNH	2.9
			9	ONH	2.1
			9	OHI	2.3
			9	All subjects	2.4

^*Billings et al., 2015

^†Maamor & Billings, 2016