6 item scale for perceived ease of use worded towards CHART-MASTER
1. Learning to operate CHART-MASTER would be easy for me.
2. I would find it easy to get CHART-MASTER to do what I want to do.
3. My interaction with CHART-MASTER would be clear and understandable.
4. I would find CHART-MASTER flexible to interact with.
5. It would be easy for me to become skillful at using CHART-MASTER.
6. I would find CHART-MASTER easy to use.