Key Usability Questions – Nathaniel Flick Lighning talk at Wordcampnz 2012

1. Key Usability Questions
WordCampNZ 2012
Runtime: 7 minutes. 5 Questions.

2. Usability
How humans use computers is not an
exact science.

3. Usability
Fun. Inspires delight. Not just ... 

4. Usability
Learnable. Makes you feel smart.

5. Usability
Profitable. Ever heard of “1-click”?

6. 1. F-Pattern Reading
• Read left to right
• Skip uninteresting lines

8. 3. Hierarchy

10. 3. Consistency

11. 3. Consistency
Ask binary questions...

13. 4. Forms
• top-aligned labels only
require a single eye
fixation
• Allow tabbing in forms
• Usable forms make
you money (shopping
cart)

14. 4. Forms
I hate forms. Good usability makes them
fun.

15. 5. Responsiveness
• .1 sec = feels instantaneous
• 1 sec = limit for a responsive feel
• 10 secs = causes frustration without
notification

16. 5. Responsiveness
What happens if I click that.

17. 5. Responsiveness
Respect my time.

18. Gratitude
Thank the user.

19. Thank You
Dirt and Rust Ltd.
dirtandrust.com
References: lukew.com, useit.com/alertbox