Table 2.

Means and standard deviations of the ratings of the five voices.

Human-likeness*			Eeriness*			Pleasantness**
	Mean	SD		Mean	SD		Mean	SD
All voices	2.27	1.13	All voices	2.81	0.93	All voices	2.81	1.20
Human	3.85	0.93	Human	2.14	0.80	Human	4.06	0.89
Synthetic I	2.19	0.60	Synthetic I	2.41	0.80	Synthetic I	3.15	0.96
Synthetic II	1.99	0.97	Synthetic II	2.82	0.79	Synthetic II	2.64	1.03
Comic	1.65	0.65	Comic	3.32	0.75	Comic	1.90	0.91
Metallic	1.52	0.42	Metallic	3.45	0.79	Metallic	2.16	0.87

N_All = 163, N_Human = 34, N_{Synthetic I} = 34, N_{Synthetic II} = 33, N_Metallic = 31, N_Comic = 31.

^*Rated on a five-point semantic differential scale.

^**Rated on a five-point Likert scale from 1 (very unpleasant) to 5 (very pleasant).