Table 4 Results of non-parametric median test comparing user perceptions by version tested

The virtual human looked like a doctor

2 (2,4)

2.5 (1.3,4)

2 (2,2.5)

39

There was too much inconsistency in this application

4 (4,4)

4 (1.75, 4)

4 (4,5)

39

The application was easy to use

2 (1,2)

1.5 (1,2)

2 (1,2)

39

The virtual human looked very realistic

2 (2,4)

3 (2,4)

2 (2,3)

33

The virtual human had a pleasing voice

2 (2,2)

2 (2,2)

2 (1,2)

32

The virtual human's gestures distracted me as I tried to listen (reverse scored)

2 (1,2)

3.5 (2,4)

2 (1.5,2)

40

The virtual human's gestures distracted me as I tried to listen

4 (4,5)

2.5 (2,4)

4 (4,4.5)

40

The virtual human looked trustworthy

2 (2,3)

2 (2,3)

2 (2,2)

41

The virtual human looked like an expert

3 (2,3)

3 (2,3)

2 (1.5,2)

39