Key Usability QuestionsWordCampNZ 2012

Runtime: 7 minutes. 5 Questions.

Usability

How humans use computers is not an exact science.

Usability

Fun. Inspires delight. Not just ...

Usability

Learnable. Makes you feel smart.

Usability

Profitable. Ever heard of “1-click”?

• Read left to right

• Skip uninteresting lines

1. F-Pattern Reading

3. Hierarchy

3. Consistency

3. Consistency

Ask binary questions...

4. Forms

• top-aligned labels only require a single eye fixation

• Allow tabbing in forms

• Usable forms make you money (shopping cart)

4. Forms

I hate forms. Good usability makes them fun.

5. Responsiveness

• .1 sec = feels instantaneous

• 1 sec = limit for a responsive feel

• 10 secs = causes frustration without notification

5. Responsiveness

What happens if I click that.

5. Responsiveness

Respect my time.

Gratitude

Thank the user.

Thank YouDirt and Rust Ltd.

dirtandrust.com

References: lukew.com, useit.com/alertbox