WHAT ABOUT USABILITY

Jakob Nielsen defines Usability as…
Usability is a quality attribute that assesses how easy user interfaces are to use.
It refers to methods for improving case-of-use during the design process.

BUT IS NOT ONLY EASE OF USE
Usability, is mone than that Jakob explains that Usability defined by 5 components:

• Effectiveness
• Efficiency
• Engagement
• Error tolerence
• Ease of learning

Effectiveness
Enable users to achieve their goals with high level of accuracy.

Efficiency
How quickly, and smooth a user can accomplish a goal.

Engagement
For a product to be usable it should be engaging and aesthetically pleasing.

Usability is a major part in User Experience
Its one of the main components in the UX honeycomb

To achieve Usability make sure to answer these questions:

• Does design do the right thing
• Does it get things done?
• Does it do it with the minimum effert?
• How much learning requird to acomplish?
• Does it make you feel good?
• Do you feel happy using the design