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Ethics Approval - day 2

· 3 min read
Adrian Littlejohns
Industrial Process Control and Automation Enthusiast

Today's Tasks

  • How can the "User Experience" afforded by an HMI/SCADA application be quantified?
  • What questions should survey participants provide answers too?

Question - How can UX be quantified?

Reading

Conclusion

Table I in "User Experience In HMI" provides a good reference to the sorts of UX Assessment criteria required.

Evaluation of a Control Screen

The following questions are rated 1 to 5, i.e. strongly dis-agree to strongly agree. All questions are regarding your user experience provided by the control screen.

1. Satisfaction

Question12345
a. It's visually appealing
b. It's a pleasure interaction with
c. It meets my expectations
d. It's frustrating
e. Terminology is confusing
f. The overall user experience is poor

~~~~~~~~~~~~~~ Comment on Satisfaction (optional) ~~~~~~~~~~~~~~~~~~~~

2. Functional Correctness

Question12345
a. All commands complete correctly
b. All your needs, from a control screen, are met
c. All information is available for decision making

3. Efficiency

Question12345
a. Tasks can be completed quickly;
b. Completed task achieve the expected outcome
c. Tasks are completed easily

4. Error Tolerance

Question12345
a. There are few errors
b. Error conditions are clearly visible
c. Error messages inform of corrective action to take

5. Memorability

Question12345
a. It's easy to remember task steps
b. Task steps need to be memorised
c. Help documents are frequently accessed

6. Flexibility

Question12345
a. There are alternate ways of performing the same task
b. Navigation between different tasks is easy
c. It's easy to cancel a task before commiting to the task

7. Learnability

Question12345
It's easy to learn how to operate
System status is clearly displayed
It's easy to know what to do next

8. Safety

Question12345
a. There are few keystrokes or clicks in performing a task
b. Your personal data, if any, is protected
c. There is adequate cybersecurity.

@20:15

  • Participant Information Form, Participant consent and Questionnaire, signed and submitted 🤞