Table 4 Evaluation of CAPSYS’s voice and utterances

Voice

1: pleasant – 5: unpleasant

mean =1.77;

median =1.5;

SD =0.99

1: difficult to understand – 5: easy to understand

mean =4.28;

median =5;

SD =1.14

1: natural – 5: unnatural

mean =2.15;

median =2;

SD =1.12

1: too fast – 5: too slow

mean =3.2;

median =3;

SD =0.5

Utterances

1: diversified – 5: unvaried

mean =3.28;

median =4;

SD =1.24

1: inappropriate – 5: appropriate

mean =3.46;

median =3;

SD =1.07

1: too short – 5: too long

mean =3.2;

median =3;

SD =0.5