Table 5 Computer system usability questionnaire results for the system usefulness assessment. The table shows the results of the questions corresponding to the system usefulness with its average and standard deviation

Overall, I am satisfied with how

6.29

0.99

easy it is to use this system

It was simple to use this system

6.07

1.20

I can effectively complete my

6.07

1.07

work using this system

I am able to complete my work

5.86

1.40

quickly using this system

I am able to efficiently complete

6.21

0.89

my work using this system

I feel comfortable using this system

6.21

0.97

It was easy to learn to use this system

6.43

0.85

I believe I became productive

5.93

1.26

quickly using this system

System Usefulness

6.13

0.93