Table 2.

Ease of Use

	Mean	SD
1. Learning to operate the computer to fill out the questionnaires is easy for me.	0.64	1.57
2. I find it easy to get the computer to do what I want it to do.	0.45	1.58
3. It was clear and understandable how to operate the computer.	0.69	1.50
4. I find the computer to be flexible to interact with.	0.50	1.51
5. It would be easy for me to become skillful at using the computer.	0.44	1.50
6. Questions were easy to answer.	1.18	1.11
7. Overall, I find the computer easy to use.	0.55	1.51
8. I find this to be a useful tool.	1.89	1.54
Total score (possible range, −16 to +16)	5.06	11.03

n = 41 (possible range, −2 to +2).