Table 4.

The results of two-sample t-tests on intra-group variability.

		Mean	SD	t	df	p
Speech	ASD	0.11	0.41	5.20	988	< 0.001
	Non-ASD	0.24	0.39
Complex tone	ASD	0.06	0.42	1.72	988	0.08
	Non-ASD	0.10	0.40
Melody	ASD	0.13	0.71	3.35	988	< 0.001
	Non-ASD	0.28	0.69

ASD: autism spectrum disorder.