Table 1. Descriptive statistics of acoustic features of vocal stimuli.

	Male Voices (N = 7 pairs)			Female Voices (N = 7 pairs)
	Normal	Fry	Difference	Normal	Fry	Difference
Mean F0 (Hz)	123.86	108.29	−15.57*	204.29	187.57	−16.72*
Min F0 (Hz)	81.14	77.29	−3.85∧	105.71	103.14	−2.57*
Max F0 (Hz)	224.71	191.14	−33.57	323.57	369.29	45.72
F0 Range (Hz)	143.71	113.71	−30.00	218.00	266.00	48.00

Note: The acoustic analysis was conducted in Praat (Boersma & Weenink 2013). Cell entries are averages across the voices.

^∧p≤.06.

*p≤.05,

**p≤.01,

***p≤.001 (Wilcoxon Matched Pairs Test).