HIMSS White Paper on EMR Usability Principles and methods of testing and rating.

1. EMR Usability
Principles

2. People
Authors
●Jeff Belden MD
●Rebecca Grayson
●Janey Barnes PhD
Team Leaders
●Penn White MD
●Tiana Thomas

3. Presenter
Jeff Belden MD
University of Missouri Health Care
●
Dept of Family and Community
●
Medicine
●Information Experience Lab
•www.toomanyclicks.com

4. Paper Overview
1.What is usability?
2.What are usability principles?
3.How would one do usability
evaluation and rating of
software?

5. What is usability?
●Effectiveness
●Efficiency
●Satisfaction
●Specific users
●Specific set of tasks
●Particular environment

6. Usability Principles
●simplicity
●naturalness
●consistency
●minimizing cognitive load
●efficient interactions
●forgiveness
●feedback
●effective use of language
●effective information presentation
●preservation of context

7. Simplicity

8. Don't Make Me Think
Technical Term:
●Minimize Cognitive Load
●Example

9. Showing Past Times
● This requires mental math

10. Showing Past Times
●This makes it easy. No math. No
extra thinking load.

11. Methods of Evaluation
Look at:
●Efficiency
●Effectiveness
●Patient Safety

12. Efficiency
How fast can I do it?
●Time to finish task list
●Click count
●Other metrics

13. Effectiveness
How well did I do it?
●How many errors?
"Fast but flawed" is no good
●
●How severe were the errors?
●How often did I need to ask for
help?
●How easy is it to learn?

14. Patient Safety
•Does EMR protect user from
making harmful errors?

15. Test Scenario Design
●objective
●repeatable
●cost‐efficient to run

16. Five-star rating
●Simple
●Familiar
●Comparative
●Not just "pass-fail"

17. Actions Recommended
●Start small
●Develop measurements
●Define the process
●5-star rating
●Improve with time
●Encourage others to do their part

18. Questions?