Table 7 Evaluation study’s twelve statements

1

Using the DOI function in my job would enable me to accomplish tasks more quickly.

2

Using the DOI function would improve my job performance.

3

Using the DOI function in my job would increase my productivity.

4

Using the DOI function would enhance my effectiveness on the job.

5

Using the DOI function would make it easier to do my job.

6

I would find the DOI function useful in my job.

7

Learning to operate the DOI function would be easy for me.

8

I would find it easy to get the DOI function to do what I want it to do.

9

My interaction with the DOI function would be clear and understandable.

10

I would find the DOI function flexible to interact with.

11

It would be easy for me to become skillful at using the DOI function.

12

I would find the DOI function easy to use.